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+%++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++%
+% This is file 'ltxkeys.sty', version 0.0.3c, 2012/11/17. %
+% %
+% This package and accompanying files may be distributed and/or %
+% modified under the conditions of the LaTeX Project Public License, %
+% either version 1.3 of this license or any later version. The latest %
+% version of this license is in http://www.latex-project.org/lppl.txt %
+% and version 1.3 or later is part of all distributions of LaTeX %
+% version 2005/12/01 or later. %
+% %
+% The LPPL maintenance status of this software is 'author-maintained'. %
+% %
+% This software is provided 'as it is', without warranty of any kind, %
+% either expressed or implied, including, but not limited to, the %
+% implied warranties of merchantability and fitness for a particular %
+% purpose. %
+% %
+% Copyright (c) 2011-2012 Ahmed Musa (amusa22@gmail.com). %
+%++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++%
+
+\@ifpackageloaded{catoptions}{%
+ \@ifpackagelater{catoptions}{2012/10/14}{}{%
+ \@latex@error{Loaded version of catoptions package is
+ not current}\@ehd
+ }%
+}{%
+ \RequirePackage{catoptions}[2012/10/14]%
+}
+\UseNormalCatcodes
+\StyleFilePurpose{A robust key-value parser (AM)}
+\StyleFileRCSInfo
+$Id: ltxkeys.sty,v 0.0.3c 2012/11/17 09:00:00 Ahmed Musa Exp $
+\ProvidesPackage{ltxkeys}[\StyleFileInfo]
+\NeedsTeXFormat{LaTeX2e}[2011/06/27]
+\SetStyleFileMessages[ltxkeys@]{info}{warn}{err}
+\cpt@setupsafeactivesedef
+\catcode`\&=3\relax
+\new@def\ltxkeys@afterfi#1\fi{\fi#1}
+\new@def\ltxkeys@afterelsei#1\else#2\fi{\fi#1}
+\new@def\ltxkeys@afterelseii#1\else#2\fi{\fi#2}
+\new@def*\ltxkeys@ehd{%
+ \ifx\protect\string\ltxkeys@afterfi
+ A serious error has occurred.\MsgBrk
+ Try typing <return>\space to proceed.\MsgBrk
+ If that fails, type X and then <return>\space to quit.
+ \fi
+}
+\new@def*\ltxkeys@truetoks{true}
+\new@def*\ltxkeys@falsetoks{false}
+\robust@def*\ltxkeys@specialhandler{%
+ \cpt@testopt\ltxkeys@sp@cialhandler{}%
+}
+\robust@def*\ltxkeys@sp@cialhandler[#1]#2{%
+ \begingroup
+ \toks1{\endgroup\newcsnpdef*{#1@#2@handler}##1##2}%
+ \def\reserved@a{\the\toks\expandafter1\expandafter{\the\toks0}}%
+ \afterassignment\reserved@a\toks0=%
+}
+\newletcs\ltxkeys@nil\relax
+\new@def*\ltxkeys@nnil{\ltxkeys@nil}
+\new@def*\ltxkeys@quark{\@gobble\ltxkeys@quark}
+\new@def*\ltxkeys@antiquark{\@gobble\ltxkeys@antiquark}
+\new@def*\ltxkeys@cdr#1#2\ltxkeys@nil{#2}
+\new@def*\ltxkeys@spcdr#1#2#3\ltxkeys@nil{\detokenize{#2}}
+\new@def\ltxkeys@ifxFT#1#2{\ltxkeys@ifxTF{#1}{#2}\cptiiofii\cptiofii}
+\new@def\ltxkeys@ifxTF#1#2{%
+ \expandafter\cptswap\cpt@car#1\ltxkeys@quark\car@nil
+ {\expandafter\ifx\cpt@car#2\ltxkeys@antiquark\car@nil}%
+ \expandafter\cptiofii\else\expandafter\cptiiofii\fi
+}
+\new@def*\ltxkeys@ifcsemptyTF#1{%
+ \expandafter\ltxkeys@ifxTF\cpt@car#1\ltxkeys@quark\car@nil\@empty
+}
+\robust@def*\ltxkeys@letmanytocs#1#2{\cptfor#1\dofor{\let##1= #2}}
+\robust@def*\ltxkeys@error#1#2{\ltxkeys@err{#1}{#2}\@gobble}
+\robust@def*\ltxkeys@debug#1#{%
+ \ifboolTF{ltxkeys@tracingkeys}{%
+ \ifstrcmpTF{#1}{*}{%
+ \cpt@sttrue\ltxkeys@d@bug
+ }{%
+ \cpt@stfalse\ltxkeys@d@bug
+ }%
+ }{%
+ \@gobbletwo
+ }%
+}
+\robust@def*\ltxkeys@d@bug#1#2{%
+ \wlog{\ifcpt@st^^J\fi ltxkeys debug [#1] #2.}%
+}
+\cptnewvariables{if}[ltxkeys@]{break,st,pl,cl,sw,sv,nv,novalue,pxop,exop,
+ preset,disable,ini,kf,rm,ssk,dec,dep,twk,tracingkeys,useempty,chdef,
+ swa,reservenopath,global,protected,inkeycmd}[false]
+\cptnewvariables{if}{inputvalid}[false]
+\cptnewvariables{switch}{infdpointers,infdp@inters}[false]
+\cptnewvariables{count}[ltxkeys@]{csvdepth,keydepth}[\z@pt]
+\robust@def*\setslavewithmaster{\global\ltxkeys@ssktrue}
+\robust@def*\setnoslavewithmaster{\global\ltxkeys@sskfalse}
+\setnoslavewithmaster
+\robust@def*\allowemptykeypath{\global\ltxkeys@useemptytrue}
+\robust@def*\disallowemptykeypath{\global\ltxkeys@useemptyfalse}
+\DefSuffixChecker\ltxkeys@suffixcheck{*}{+}{!}
+\newletcs\ltxkeys@documentclass\cpt@undefined
+\robust@def*\ltxkeys@getdocumentclass{%
+ \def\csv@do##1{%
+ \filename@parse{##1}%
+ \ifx\filename@ext\@clsextension
+ \ifcsndefFT{opt@\filename@area\filename@base.\filename@ext}{}{%
+ \xdef\ltxkeys@documentclass{%
+ \filename@area\filename@base.\filename@ext
+ }%
+ \loopbreak
+ }%
+ \fi
+ }%
+ \csv@@parse*\@filelist
+ \ifdefTF\ltxkeys@documentclass{}{%
+ \ltxkeys@debug{==}{'ltxkeys' package loaded before
+ \string\documentclass:\MsgBrk no problem}%
+ }%
+}
+\cptpassunexpanded{%
+ \ifdefFT\@filelist{}{%
+ \ltxkeys@ifxTF\@filelist\@gobble{}{%
+ \ltxkeys@ifcsemptyTF\@filelist{}\ltxkeys@getdocumentclass
+ }%
+ }%
+ \ifdefFT\ltxkeys@documentclass{%
+ \let\ltxkeys@classoptionslist\@empty
+ }{%
+ \ifdefFT\@classoptionslist{}{%
+ \ltxkeys@ifcsemptyTF\@classoptionslist{}{%
+ \kv@@normalize*\@classoptionslist
+ }%
+ }%
+ \let\ltxkeys@classoptionslist\@classoptionslist
+ \def\csv@do##1{%
+ \ifinsetTF{=}{##1}{}{%
+ \cptgaddtolist\@classoptionslist{##1}%
+ }%
+ }%
+ \cptexpandbracenext
+ {\def\@classoptionslist{}\csv@@loop}\@classoptionslist
+ \def\@fileswith@ptions##1[##2]##3{%
+ \edef\ltxkeys@tempa{\cptcommanormalize{##3}}%
+ \cptfor xkeyval,kvoptions,catoptions\dofor{%
+ \xifinsetFT{,####1,}{,\ltxkeys@tempa,}{}{%
+ \let\@classoptionslist\ltxkeys@classoptionslist
+ \forbreaktrue
+ }%
+ }%
+ \cpt@ifbrack{\@fileswith@pti@ns##1[##2]##3}%
+ {\@fileswith@pti@ns##1[##2]##3[]}%
+ }%
+ }%
+}
+\robust@def*\ltxkeys@striplaststar#1*\@empty#2\ltxkeys@nil#3{\edef#3{#1}}
+\robust@def*\ltxkeys@ifrejname#1{%
+ \ifcase0\ifx\key@type\ltxkeys@rej1\else
+ \ifx\key@name\ltxkeys@rej1\fi\fi\relax
+ \else
+ #1%
+ \fi
+}
+\robust@def*\ltxkeys@testst#1{%
+ \cpt@ifstar{\ltxkeys@sttrue#1}{\ltxkeys@stfalse#1}%
+}
+\robust@def*\ltxkeys@testpl#1{%
+ \cpt@ifplus{\ltxkeys@pltrue#1}{\ltxkeys@plfalse#1}%
+}
+\robust@def*\ltxkeys@testcl#1{%
+ \cpt@ifclam{\ltxkeys@cltrue#1}{\ltxkeys@clfalse#1}%
+}
+\robust@def*\ltxkeys@teststpl#1{\ltxkeys@testst{\ltxkeys@testpl{#1}}}
+\robust@def*\ltxkeys@state{%
+ \\\ltxkeys@keys\\\ltxkeys@prefs\\\ltxkeys@fams\\\ltxkeys@nakeys
+ \\\ltxkeys@tpref\\\ltxkeys@ttpref\\\ltxkeys@tfam\\\ltxkeys@tkey
+ \\\ltxkeys@tval\\\ifltxkeys@st\\\ifltxkeys@pl\\\ifltxkeys@cl
+ \\\ifltxkeys@kf\\\ifltxkeys@pxop\\\ifltxkeys@exop\\\ifltxkeys@ini
+ \\\CurrentKeyval\\\CurrentKey\\\CurrentVal
+}
+\robust@def\ltxkeys@trimspacesincs#1{%
+ \expandafter\ltxkeys@trimspaces\expandafter{#1}{#1}%
+}
+\robust@def\ltxkeys@trimspaces#1#2{%
+ \begingroup
+ \ifcase0%
+ % 1. When #2 of \ltxkeys@trimspaces is empty token, #1, #2, #3 of
+ % \ltxkeys@spcdr will be '.', 'x', <empty>.
+ % 2. No one will give #2 of \ltxkeys@trimspaces as a dot (.). So
+ % the test is fairly robust.
+ \if.\ltxkeys@spcdr#2.x\ltxkeys@nil\else1\fi
+ \if\expandafter\cpt@car\string#2\car@nil\@backslashchar\else1\fi\relax
+ \else
+ \ltxkeys@err{'\detokenize{#2}' has illegal form}\ltxkeys@ehd
+ \fi
+ \ltxkeys@tr@mspaces{#1}{#2}%
+}
+\robust@def\ltxkeys@tr@mspaces#1#2{%
+ \edef\ltxkeys@trimmed{\cpttrimspace{#1}}%
+ \ltxkeys@ifxTF#2\ltxkeys@trimmed{%
+ \expandafter\endgroup\expandafter\edef\expandafter
+ #2\expandafter{\expandafter\unexpanded\expandafter{#2}}%
+ }{%
+ \let#2=\ltxkeys@trimmed
+ \expandafter\ltxkeys@tr@mspaces\expandafter{#2}#2%
+ }%
+}
+\robust@def*\ltxkeys@trimspacesset#1{%
+ \def\@do##1##2,{%
+ \ifnot@nil{##1}{\ltxkeys@trimspaces{##1}##2\@do}%
+ }%
+ \@do#1,\@nil\@nil,%
+}
+\new@def*\ltxkeys@iffirstnull#1#2{\ltxkeys@ifcsemptyTF#1{}{#1#2}}
+\robust@def*\ltxkeys@remdottrimspaces#1#2{%
+ \cptexpandbracenext\ltxkeys@trimspaces{\@gobble#1}#2%
+}
+\robust@def*\ltxkeys@simplesplitkeyval#1{%
+ \expandafter\ltxkeys@simplespl@tkeyval#1=^?^=^?^=\ltxkeys@nil
+}
+\robust@def*\ltxkeys@simplespl@tkeyval#1={%
+ \def\reserved@a##1={%
+ \def\reserved@a####1=####2\ltxkeys@nil{%
+ \ltxkeys@trimspaces{#1}\key@name
+ \ltxkeys@remdottrimspaces{##1}\key@value
+ \ltxkeys@remdottrimspaces{####1}\remainder
+ }%
+ \reserved@a.%
+ }%
+ \reserved@a.%
+}
+\robust@def*\ltxkeys@splitkeyattrib#1{%
+ \begingroup
+ \def\ltxkeys@splita##1/##2/{%
+ \ltxkeys@trimspacesset{{##1}\key@type,{##2}\key@name}%
+ \ltxkeys@ifrejname{%
+ \ltxkeys@err{Wrong syntax for attributes of a key}\ltxkeys@ehd
+ }%
+ \ltxkeys@splitb.%
+ }%
+ \def\ltxkeys@splitb##1/{%
+ \ltxkeys@remdottrimspaces{##1}\key@default
+ \ltxkeys@splitc.%
+ }%
+ \def\ltxkeys@splitc##1/{%
+ \edef\key@callback{\unexpanded\expandafter{\@gobble##1}}%
+ \ltxkeys@stripdotcode\key@callback
+ \ltxkeys@splitd.%
+ }%
+ \def\ltxkeys@splitd##1/##2\ltxkeys@nil{%
+ \ltxkeys@remdottrimspaces{##1}\key@dependants
+ }%
+ \ltxkeys@splita#1/^?^/^?^/^?^/^?^/^?^/\ltxkeys@nil
+ \let\do\cpt@csexit
+ \cptexpanded{\endgroup
+ \do\key@type\do\key@name\do\key@default\do\key@callback
+ \do\key@dependants
+ }%
+}
+\new@def*\ltxkeys@rej{^?^}
+% Does #1 start with '.code'? If it does, remove '.code':
+\robust@def*\ltxkeys@stripdotcode#1{%
+ \ltxkeys@trimspacesincs#1%
+ \xifinsetTF{\relax\detokenize{.code=}}{\relax\cptoxdetok{#1}}{%
+ \def\reserved@a##1.code=##2\ltxkeys@nil{%
+ \def\reserved@a####1.\ltxkeys@nil{%
+ \ltxkeys@remdottrimspaces{####1}#1%
+ }%
+ \reserved@a.##2\ltxkeys@nil
+ }%
+ \expandafter\reserved@a#1.\ltxkeys@nil
+ }{}%
+}
+\robust@def*\ltxkeys@removedotcode#1#2{%
+ \ltxkeys@trimspaces{#1}#2%
+ \xifinsetTF{\detokenize{/.code=}}{\detokenize{#1}}{%
+ \def\reserved@a##1/.code=##2\ltxkeys@nil{%
+ \def\reserved@a####1.\ltxkeys@nil{%
+ \ltxkeys@remdottrimspaces{####1}\reserved@a
+ \edef#2{\expandcsonce{\@gobble##1}/\expandcsonce\reserved@a}%
+ }%
+ \reserved@a.##2\ltxkeys@nil
+ }%
+ \expandafter\reserved@a\expandafter.#2.\ltxkeys@nil
+ }{}%
+}
+\robust@def*\ltxkeys@in{\cpt@testst\ltxkeys@in@a}
+\robust@def*\ltxkeys@in@a#1#2{%
+ \def\in@@##1#1##2\in@@{%
+ \ifblankTF{##2}\in@false\in@true
+ \ifboolTF{cpt@st}{\ifboolTF{in@}}{}%
+ }%
+ \in@@#2{\in@@}#1\in@@
+}
+\robust@def*\ltxkeys@iffound#1\in#2\then{%
+ \ltxkeys@trimspaces{#1}\reserved@a
+ \ltxkeys@trimspaces{#2}\reserved@b
+ \ltxkeys@stfalse
+ \cptexpandtwoargsonce\ltxkeys@in@a\reserved@a\reserved@b
+ \ifin@
+}
+\robust@def*\ltxkeys@ifchcfd#1\endgroup{%
+ % Don't make \@firstoftwo and \@secondoftwo equal to \relax
+ % here since \ifbool needs \ifnull, which in turn needs
+ % \@firstoftwo and \@secondoftwo.
+ \cptpassexpanded{%
+ \endgroup
+ \ifcase#1\relax
+ \ifdefboolTF{cpt@choicefd}
+ {\noexpand\@firstoftwo}{\noexpand\@secondoftwo}%
+ \or
+ \ifdefboolTF{cpt@choicefd}
+ {\noexpand\@secondoftwo}{\noexpand\@firstoftwo}%
+ \else
+ \ltxkeys@err{Invalid number '#1'}\ltxkeys@ehd
+ \fi
+ }%
+}
+\robust@def*\ltxkeys@getlasttoken#1{%
+ \def\ltxkeys@resttokens{}%
+ \ltxkeys@g@tlasttoken#1\ltxkeys@g@tlasttoken
+ \ltxkeys@g@tlasttoken\ltxkeys@getlasttoken
+}
+\robust@def*\ltxkeys@g@tlasttoken#1#2{%
+ \ifx#2\ltxkeys@g@tlasttoken
+ \edef\ltxkeys@lasttoken{\unexpanded{#1}}%
+ \def\reserved@a##1\ltxkeys@getlasttoken{}%
+ \expandafter\reserved@a
+ \else
+ \edef\ltxkeys@resttokens
+ {\expandcsonce\ltxkeys@resttokens\unexpanded{#1}}%
+ \expandafter\ltxkeys@g@tlasttoken
+ \fi
+ #2%
+}
+\new@def\ltxkeys@stripNouterbraces#1#2{%
+ \romannumeral\expandafter\ltxkeys@str@pNouterbraces
+ \expandafter{\romannumeral\number#1000m}\strip@nil#2\strip@nil
+}
+\new@def\ltxkeys@str@pNouterbraces#1\strip@nil#2\strip@nil{%
+ \ifbracedTF{#2}{%
+ \expandafter\ifnullTF\expandafter{\@gobble#2}{%
+ \expandafter\ifnullTF\expandafter{\@gobble#1}{0 #2}{%
+ \cptexpandbracenext\ltxkeys@str@pNouterbraces{\@gobble#1}%
+ \strip@nil#2\strip@nil
+ }%
+ }{0 #2}%
+ }{0 #2}%
+}
+\new@def*\ltxkeys@stripallouterbraces#1{\ltxkeys@stripNouterbraces\@m{#1}}
+\new@def*\ltxkeys@stripallouterbracesincs#1{%
+ \ifmacroTF{#1}{%
+ \edef#1{\cptexpandbracenext{\ltxkeys@stripNouterbraces\@m}{#1}}%
+ }{%
+ \cpt@notcserr{#1}%
+ }%
+}
+\robust@def*\ltxkeys@getbasechars{\cpt@teststopt\ltxkeys@g@tchars{1}}
+\robust@def*\ltxkeys@g@tchars[#1]#2#3{%
+ \begingroup
+ \def#3{}\gdef\ltxkeys@charcount{0}%
+ \def\siso@do##1{%
+ \edef#3{#3##1}%
+ \xdef\ltxkeys@charcount{\the\numexpr\ltxkeys@charcount+1}%
+ \ifnum\ltxkeys@charcount>#1\relax\loopbreak\fi
+ }%
+ \cptexpandarg\siso@@loop
+ {\ifboolTF{cpt@st}\cptoxdetok\detokenize{#2}}%
+ \postgroupdef#3\endgroup
+}
+\robust@def*\ltxkeys@getorder{\cpt@teststopt\ltxkeys@g@torder,}
+\robust@def*\ltxkeys@g@torder[#1]#2#3{%
+ \def\ltxkeys@order{-1}%
+ \begintoksgroup
+ \cpt@stchoose{cpt@st}{#3}\ltxkeys@tempa\ltxkeys@getorder
+ \lowercase{\ltxkeys@trimspaces{#2}\ltxkeys@tempb}%
+ \@tempcnta\z@pt
+ \def\ltxkeys@do##1{%
+ \oifstrcmpFT\ltxkeys@tempb{##1}{}{%
+ \cptexpanded{%
+ \toks@{\def\noexpand\ltxkeys@order{\the\@tempcnta}}%
+ }%
+ \loopbreaktrue
+ }%
+ \advance\@tempcnta\@ne
+ }%
+ \ltxkeys@listparse*1[;]\ltxkeys@tempa
+ \endtoksgroup
+}
+\robust@def*\ltxkeys@ifeltcountTF{\cpt@teststopt\ltxkeys@ifeltcount,}
+\robust@def*\ltxkeys@ifeltcount[#1]{%
+ \cpt@testpnopt{\ltxkeys@ifeltc@unt{#1}}{=}%
+}
+\robust@def*\ltxkeys@ifeltc@unt#1(#2)#3#4{%
+ \begingroup
+ \edef\reserved@a{\ifcpt@st*\fi}%
+ \def\eltnum{0}%
+ \def\ltxkeys@do##1{%
+ \cptpushnumber\eltnum
+ }%
+ \expandafter\ltxkeys@listparse\reserved@a1[#1]{#4}%
+ \aftercsname\endgroup{@\ifnum\eltnum#2\numexpr#3%
+ first\else second\fi oftwo}%
+}
+\robust@def*\ltxkeys@findmatch#1#2#3{%
+ \def\currmatch{}%
+ \ltxkeys@trimspaces{#1}\reserved@a
+ \ltxkeys@f@ndmatch#2,:,\ltxkeys@nil{#3}%
+}
+\robust@def*\ltxkeys@f@ndmatch#1:#2,#3\ltxkeys@nil#4{%
+ \ifblankTF{#3}{%
+ #4%
+ }{%
+ \ltxkeys@trimspaces{#1}\reserved@b
+ \ifx\reserved@a\reserved@b
+ \edef\currmatch{\unexpanded{#2}}%
+ \expandafter\@gobble
+ \else
+ \expandafter\@iden
+ \fi
+ {\ltxkeys@f@ndmatch#3\ltxkeys@nil{#4}}%
+ }%
+}
+\robust@def*\ltxkeys@ifcase#1#2{%
+ \def\currmatch{}%
+ \ltxkeys@trimspaces{#1}\reserved@a
+ \ltxkeys@ifc@se#2,:,\ltxkeys@nil
+}
+\robust@def*\ltxkeys@ifc@se#1:#2,#3\ltxkeys@nil{%
+ \ifblankTF{#3}{%
+ \@secondoftwo
+ }{%
+ \ltxkeys@trimspaces{#1}\reserved@b
+ \ltxkeys@ifxTF\reserved@a\reserved@b{%
+ \edef\currmatch{\unexpanded{#2}}%
+ \@firstoftwo
+ }{%
+ \ltxkeys@ifc@se#3\ltxkeys@nil
+ }%
+ }%
+}
+\new@def\ltxkeys@alltoendif#1\endif{#1}
+\new@def\ltxkeys@firsttoendif#1#2\endif{#1}
+\new@def*\ltxkeys@ifcassenumcmpTF#1#2#3{%
+ \ifdim#1pt#2pt %
+ \expandafter\cptiofii\else\expandafter\cptiiofii\fi
+}
+\new@def\ltxkeys@ifcasse#1{%
+ \ifstrcmpTF{#1}\elseif{%
+ \ltxkeys@alltoendif
+ }{%
+ \ifstrcmpTF{#1}\endif{}{\ltxkeys@ifcasse@a{#1}}%
+ }%
+}
+\new@def\ltxkeys@ifcasse@a#1#2{%
+ \ifstrcmpTF{#2}\elseif{%
+ \ltxkeys@alltoendif
+ }{%
+ \ifstrcmpTF{#2}\endif{}{%
+ \ltxkeystestcmd{#1}{#2}\ltxkeys@firsttoendif{\ltxkeys@ifcasse@b{#1}}%
+ }%
+ }%
+}
+\new@def\ltxkeys@ifcasse@b#1#2{%
+ \ifstrcmpTF{#2}\endif{}{\ltxkeys@ifcasse@a{#1}}%
+}
+\robust@def*\ltxkeys@removeelements{\cpt@teststopt\ltxkeys@rem@veelements,}
+\robust@def*\ltxkeys@rem@veelements[#1]{%
+ \cpt@testpnopt{\ltxkeys@rem@veelem@nts{#1}}\@ne
+}
+\robust@def\ltxkeys@rem@veelem@nts#1(#2)#3#4{%
+ \let\ltxkeys@tempa#3%
+ \ifcpt@st\else
+ \ifnum#2=\z@pt\cptthreexp\cptgobbletorelax\fi
+ \fi
+ \iflacus#4\dolacus
+ \expandafter\cptgobbletorelax
+ \fi
+ \begingroup
+ \let\detk\detokenize
+ \let\if@remvst\ifcpt@st
+ \ifmacroTF{#3}{}{\cpt@notcserr{#3}}%
+ \csv@@normalize*[#1]#3%
+ \def\ltxkeys@remove@a##1{%
+ \def\ltxkeys@do####1{%
+ \@tempcnta\z@pt
+ \def\ltxkeys@remove@a########1##1####1##1########2&{%
+ \edef#3{\unexpanded{########1##1########2}}%
+ }%
+ \def\ltxkeys@remove@b########1{%
+ \xifinsetTF{##1\detk{####1}##1}{##1\detk{########1}##1}{%
+ \ltxkeys@remove@a##1########1##1&%
+ \ifboolTF{@remvst}{%
+ \s@expandarg\ltxkeys@remove@b#3%
+ }{%
+ \advance\@tempcnta\@ne
+ \ifnumcmpTF\@tempcnta<#2{%
+ \s@expandarg\ltxkeys@remove@b#3%
+ }{}%
+ }%
+ }{}%
+ }%
+ \s@expandarg\ltxkeys@remove@b#3%
+ }%
+ \ltxkeys@listparse1[##1]{#4}%
+ \csv@@normalize*[##1]#3%
+ }%
+ \s@expandarg\ltxkeys@remove@a{\detk{#1}}%
+ \postgroupdef#3\endgroup
+ \cpt@relax
+ \ltxkeys@ifxFT#3\ltxkeys@tempa
+}
+\robust@def*\ltxkeys@replaceelements{%
+ \cpt@teststopt\ltxkeys@r@placeelements,%
+}
+\robust@def*\ltxkeys@r@placeelements[#1]{%
+ \cpt@testpnopt{\ltxkeys@r@pl@ceelements{#1}}\@ne
+}
+\robust@def\ltxkeys@r@pl@ceelements#1(#2)#3#4{%
+ \let\ltxkeys@tempa#3%
+ \ifcpt@st\else
+ \ifnum#2=\z@pt\cptthreexp\cptgobbletorelax\fi
+ \fi
+ \iflacus#4\dolacus
+ \expandafter\cptgobbletorelax
+ \fi
+ \begingroup
+ \let\if@replst\ifcpt@st
+ \ifmacroTF{#3}{}{\cpt@notcserr{#3}}%
+ \edef\ltxkeys@sublist{\unexpanded{#4}}%
+ \ltxkeys@n@rmalizecsset[#1]{#3,\ltxkeys@sublist}%
+ \def\ltxkeys@replace@a##1{%
+ \def\ltxkeys@replace@a####1####2##1####3&{%
+ \ltxkeys@r@pl@ceelement[##1](#2)#3{####1}{####2}%
+ \ifblankTF{####3}{}{\ltxkeys@replace@a####3&}%
+ }%
+ \expandafter\ltxkeys@replace@a\ltxkeys@sublist##1&%
+ \csv@@normalize*[##1]#3%
+ }%
+ \s@expandarg\ltxkeys@replace@a{\detokenize{#1}}%
+ \postgroupdef#3\endgroup
+ \cpt@relax
+ \ltxkeys@ifxFT#3\ltxkeys@tempa
+}
+\robust@def\ltxkeys@r@pl@ceelement[#1](#2)#3#4#5{%
+ \begingroup
+ \@tempcnta\z@pt
+ \def\ltxkeys@replace@a##1#1#4#1##2&{%
+ \edef#3{\unexpanded{##1#1#5#1##2}}%
+ }%
+ \def\ltxkeys@replace@b##1{%
+ \xifinsetTF{#1\detokenize{#4}#1}{#1\detokenize{##1}#1}{%
+ \ltxkeys@replace@a#1##1#1&%
+ \ifboolTF{@replst}{%
+ \s@expandarg\ltxkeys@replace@b#3%
+ }{%
+ \advance\@tempcnta\@ne
+ \ifnumcmpTF\@tempcnta<#2{%
+ \s@expandarg\ltxkeys@remove@b#3%
+ }{}%
+ }%
+ }{}%
+ }%
+ \s@expandarg\ltxkeys@replace@b{#3}%
+ \postgroupdef#3\endgroup
+}
+\robust@def*\ltxkeys@checkchoice{%
+ \cpt@teststpl{\cpt@testopt\ltxkeys@cc@a,}%
+}
+\robust@def*\ltxkeys@cc@a[#1]{%
+ \cpt@checklistparser{#1}{}%
+ \cpt@testpnopt{\ltxkeys@cc@b#1}{}%
+}
+\robust@def*\ltxkeys@commacheckchoice{%
+ \cpt@teststpl{\cpt@testpnopt{\ltxkeys@cc@b,}{}}%
+}
+\robust@def*\ltxkeys@checkinput#1#2{%
+ \lowercase{\edef\nominations{\unexpanded{#2}}}%
+ \cpt@sttrue\cpt@pltrue
+ \ltxkeys@cc@b,(\userinput\order){#1}{#2}{%
+ \@firstoftwo
+ }{%
+ \@secondoftwo
+ }%
+}
+\robust@def*\CheckUserInput#1#2{%
+ \lowercase{\edef\nominations{\unexpanded{#2}}}%
+ \cpt@sttrue\cpt@pltrue
+ \ltxkeys@cc@b,(\userinput\order){#1}{#2}{%
+ \inputvalidtrue
+ }{%
+ \inputvalidfalse
+ }%
+}
+\robust@def*\ltxkeys@cc@b#1(#2)#3#4{%
+ \begingroup
+ \ifcpt@st\lowercase{\fi
+ \ltxkeys@trimspaces{#3}\ltxkeys@userinput
+ \edef\ltxkeys@nominations{\unexpanded{#4}}%
+ \ifcpt@st}\fi
+ \def\ltxkeys@ccparser{#1}%
+ \csv@@normalize*[#1]\ltxkeys@nominations
+ \cptexpandsecond{%
+ \ifblankTF{#2}\ltxkeys@cc@d{\ltxkeys@cc@c#2}\ltxkeys@nil
+ }{%
+ {\expandcsonce\ltxkeys@userinput}%
+ {\expandcsonce\ltxkeys@nominations}%
+ }%
+}
+\robust@def*\ltxkeys@cc@c#1#2\ltxkeys@nil#3#4{%
+ \ifblankTF{#2}{\ltxkeys@cc@d#1}{\ltxkeys@cc@e#1#2}{#3}{#4}%
+}
+\robust@def*\ltxkeys@cc@d#1#2#3{%
+ \def\reserved@a{#1}%
+ \ltxkeys@ifxTF\reserved@a\ltxkeys@nnil{%
+ \def\ltxkeys@tempa{}%
+ }{%
+ \def\ltxkeys@tempa{\def#1{#2}}%
+ }%
+ \edef\x{\cptoxdetok\ltxkeys@ccparser}%
+ \edef\x{{\x\detokenize{#2}\x}{\x\detokenize{#3}\x}}%
+ \expandafter\ifinsetTF\x{%
+ \ifboolTF{cpt@pl}{%
+ \rightaddtocs\ltxkeys@tempa\@firstoftwo
+ }{%
+ \rightaddtocs\ltxkeys@tempa\@firstofone
+ }%
+ }{%
+ \ifboolTF{cpt@pl}{%
+ \rightaddtocs\ltxkeys@tempa\@secondoftwo
+ }{%
+ \rightaddtocs\ltxkeys@tempa{%
+ \expandafter\ltxkeys@nomatcherr\@gobble
+ }%
+ }%
+ }%
+ \cptpassexpanded{%
+ \endgroup
+ \cpt@csexit\ltxkeys@userinput
+ \cpt@csexit\ltxkeys@nominations
+ \expandcsonce\ltxkeys@tempa
+ }%
+}
+\robust@def*\ltxkeys@cc@e#1#2#3#4{%
+ \chardef#2\z@pt
+ \cpt@choicefdfalse
+ \def\ltxkeys@do##1{%
+ \def#1{##1}%
+ \ifstrcmpTF{##1}{#3}{%
+ \cpt@choicefdtrue\loopbreak
+ }{%
+ \cptpushnumber#2%
+ }%
+ }%
+ \cptexpandsecond{\ltxkeys@listparse0}{[\ltxkeys@ccparser]}{#4}%
+ \cptpassexpanded{%
+ \endgroup
+ \cpt@csexit\ltxkeys@userinput
+ \cpt@csexit\ltxkeys@nominations
+ \ifcpt@choicefd
+ \def\noexpand#1{\expandcsonce#1}%
+ \def\noexpand#2{\the\numexpr#2}%
+ \ifcpt@pl\noexpand\@firstoftwo\else\noexpand\@firstofone\fi
+ \else
+ \def\noexpand#1{\unexpanded{#3}}%
+ \def\noexpand#2{-1}%
+ \ifcpt@pl
+ \noexpand\@secondoftwo
+ \else
+ \unexpanded{\expandafter\ltxkeys@nomatcherr\@gobble}%
+ \fi
+ \fi
+ }%
+}
+\robust@def*\ltxkeys@nomatcherr{%
+ \ltxkeys@error{User input '\ltxkeys@userinput' not in list
+ of nominations ||\ltxkeys@nominations||}\ltxkeys@ehd
+}
+\robust@def*\ltxkeys@ifoneincsvlist{\cpt@teststopt\ltxkeys@ifoneincsvl@st,}
+\robust@def*\ltxkeys@ifoneincsvl@st[#1]#2#3{%
+ \begingroup
+ \ifcpt@st
+ \let\test@list#2%
+ \let\master@list#3%
+ \else
+ \edef\test@list{\unexpanded{#2}}%
+ \edef\master@list{\unexpanded{#3}}%
+ \fi
+ \csv@@normalize*[#1]\master@list
+ \cpt@choicefdfalse
+ \def\csv@do##1{%
+ \oifinset@sp@TF#1{##1}\master@list{\cpt@choicefdtrue\loopbreak}{}%
+ }%
+ \csv@@parse*[#1]\test@list
+ \expandafter\endgroup
+ \ifcpt@choicefd\expandafter\@firstoftwo\else\expandafter\@secondoftwo\fi
+}
+\robust@def*\ltxkeys@ifincsvlistTF{\cpt@teststopt\ltxkeys@ifincsvlist,}
+\robust@def*\ltxkeys@ifincsvlist[#1]{%
+ \cpt@testpnopt{\ltxkeys@if@ncsvlist#1}{1}%
+}
+\robust@def*\ltxkeys@if@ncsvlist#1(#2)#3#4{%
+ \begingroup
+ \edef\parser{\detokenize{#1}}%
+ \ifcpt@st\lowercase{\fi
+ \edef\ltxkeys@tempa{\unexpanded{#3}}%
+ \edef\ltxkeys@tempb{\unexpanded{#4}}%
+ \ifcpt@st}\fi
+ \cpt@sttrue\cpt@csvnormalize[#1]\ltxkeys@tempb
+ \cpt@cnta\z@pt
+ \def\ltxkeys@itemspresent{}%
+ \def\ltxkeys@do##1{%
+ \xifinsetFT{\detokenize{#1##1#1}}%
+ {\parser\cptoxdetok\ltxkeys@tempb\parser}{}{%
+ \edef\ltxkeys@itemspresent
+ {\csliststack,\ltxkeys@itemspresent\unexpanded{##1}}%
+ \advance\cpt@cnta\@ne
+ }%
+ \ifnum\cpt@cnta>\numexpr#2-1\relax\loopbreak\fi
+ }%
+ \ltxkeys@listparse*1[#1]\ltxkeys@tempa
+ \ifnum\cpt@cnta>\numexpr#2-1\relax
+ \edef\ltxkeys@nritems{\the\cpt@cnta}%
+ \else
+ \def\ltxkeys@itemspresent{}%
+ \def\ltxkeys@nritems{-1}%
+ \fi
+ \cptexpandsecond\endgroup{%
+ \cpt@csexit\ltxkeys@itemspresent
+ \cpt@csexit\ltxkeys@nritems
+ \ifx\ltxkeys@itemspresent\@empty\noexpand\@secondoftwo\else
+ \noexpand\@firstoftwo\fi
+ }%
+}
+\robust@def*\ltxkeys@ifoneintokenlist{\cpt@testst\ltxkeys@ifoneint@kenlist}
+\robust@def*\ltxkeys@ifoneint@kenlist#1#2{%
+ \begingroup
+ \ifcpt@st
+ \let\test@list#1%
+ \let\master@list#2%
+ \else
+ \edef\test@list{\unexpanded{#1}}%
+ \edef\master@list{\unexpanded{#2}}%
+ \fi
+ \cpt@choicefdfalse
+ \def\tsv@do##1{%
+ \edef\reserved@a{\ltxkeys@stripNouterbraces{1}{##1}}%
+ \xifinsetTF{\cptoxdetok\reserved@a}
+ {\cptoxdetok\master@list}{\cpt@choicefdtrue\loopbreak}{}%
+ }%
+ \tsv@@parse*\test@list
+ \expandafter\endgroup
+ \ifcpt@choicefd\expandafter\@firstoftwo\else\expandafter\@secondoftwo\fi
+}
+\robust@def*\ltxkeys@ifintsvlistTF{%
+ \cpt@testst{\cpt@testpnopt\ltxkeys@ifintsvlist{1}}%
+}
+\robust@def*\ltxkeys@ifintsvlist(#1)#2#3{%
+ \begingroup
+ \ifcpt@st\lowercase{\fi
+ \edef\ltxkeys@tempa{\unexpanded{#2}}%
+ \edef\ltxkeys@tempb{\unexpanded{#3}}%
+ \ifcpt@st}\fi
+ \def\ltxkeys@itemspresent{}%
+ \cpt@cnta\z@pt
+ \def\tsv@do##1{%
+ \xifinsetFT{\detokenize{##1}}{\cptoxdetok\ltxkeys@tempb}{}{%
+ \edef\ltxkeys@itemspresent
+ {\csliststack{}\ltxkeys@itemspresent\unexpanded{##1}}%
+ \advance\cpt@cnta\@ne
+ }%
+ \ifnum\cpt@cnta>\numexpr#1-1\relax\loopbreak\fi
+ }%
+ \s@expandarg\tsv@@parse\ltxkeys@tempa
+ \ifnum\cpt@cnta>\numexpr#1-1\relax
+ \edef\ltxkeys@nritems{\the\cpt@cnta}%
+ \else
+ \def\ltxkeys@itemspresent{}%
+ \def\ltxkeys@nritems{-1}%
+ \fi
+ \cptexpandsecond\endgroup{%
+ \cpt@csexit\ltxkeys@itemspresent
+ \cpt@csexit\ltxkeys@nritems
+ \ifx\ltxkeys@itemspresent\@empty\noexpand\@secondoftwo\else
+ \noexpand\@firstoftwo\fi
+ }%
+}
+\robust@def*\ltxkeys@ifinlistTF{%
+ \cpt@testst{\cpt@testpnopt\ltxkeys@ifinlist{1}}%
+}
+\robust@def*\ltxkeys@ifinlist(#1)#2#3{%
+ \begingroup
+ \ifcpt@st\lowercase{\fi
+ \edef\ltxkeys@tempa{\unexpanded{#2}}%
+ \edef\ltxkeys@tempb{\unexpanded{#3}}%
+ \ifcpt@st}\fi
+ \def\ltxkeys@itemspresent{}%
+ \cpt@cnta\z@pt
+ \def\ltxkeys@do##1{%
+ \xifinsetTF{\detokenize{##1}}{\cptoxdetok\ltxkeys@tempb}{%
+ \edef\ltxkeys@itemspresent
+ {\csliststack,\ltxkeys@itemspresent\unexpanded{##1}}%
+ \advance\cpt@cnta\@ne
+ }{}%
+ \ifnum\cpt@cnta>\numexpr#1-1\relax\loopbreak\fi
+ }%
+ \ltxkeys@listparse*1\ltxkeys@tempa
+ \ifnum\cpt@cnta>\numexpr#1-1\relax
+ \edef\ltxkeys@nritems{\the\cpt@cnta}%
+ \else
+ \def\ltxkeys@itemspresent{}\def\ltxkeys@nritems{-1}%
+ \fi
+ \cptexpandsecond\endgroup{%
+ \cpt@csexit\ltxkeys@itemspresent
+ \cpt@csexit\ltxkeys@nritems
+ \ltxkeys@ifcsemptyTF\ltxkeys@itemspresent
+ {\noexpand\@secondoftwo}{\noexpand\@firstoftwo}%
+ }%
+}
+\robust@def*\ltxkeys@notinpkgclserr#1{%
+ \ifinstylefileTF{}{%
+ \ltxkeys@err{Command '\detokenize{#1}' issued
+ \MsgBrk outside style or class file}
+ {Command '\detokenize{#1}' is available
+ only in style files.}%
+ }%
+}
+\robust@def*\ltxkeys@commanormalize#1#2{\edef#2{\cptcommanormalize{#1}}}
+\robust@def*\ltxkeys@commanormalizeset{%
+ \let\normelt\ltxkeys@commanormalize
+ \ltxkeys@normalizeset
+}
+\robust@def*\ltxkeys@kvnormalize#1#2{%
+ \edef#2{\unexpanded{#1}}%
+ \kv@@normalize*[,]#2%
+}
+\robust@def*\ltxkeys@kvnormalizeset{%
+ \let\normelt\ltxkeys@kvnormalize
+ \ltxkeys@normalizeset
+}
+\robust@def*\ltxkeys@normalizeset#1{%
+ \edef\reserved@a{\cptcommanormalize{#1}}%
+ \def\@do##1##2,{%
+ \ifnot@nil{##1}{\normelt{##1}##2\@do}%
+ }%
+ \expandafter\@do\reserved@a,\@nil,%
+ \undefcs\normelt
+}
+\robust@def*\ltxkeys@normalizecsset{\cpt@testopt\ltxkeys@n@rmalizecsset,}
+\robust@def*\ltxkeys@n@rmalizecsset[#1]#2{%
+ \cptfor#2\dofor{\csv@@normalize[#1]##1}%
+}
+\new@def*\ltxkeys@parser@nil{\@gobble\ltxkeys@parser@nil}
+
+\begingroup
+\catcode`\?=3
+\robust@gdef*\ltxkeys@declarelistparser#1#2{%
+ \ifcsdefinable{#1}\relax
+ \begingroup
+ \ltxkeys@letmanytocs{#1,\ifstrcmpTF,\cptexpandnext,
+ \ltxkeys@ifxTF,\listbreak,\ltxkeys@parser@nil}\relax
+ \def\elta##1{\noexpandcsn{\cptgobblescape#1@list@##1}}%
+ \def\eltb##1{\cptexpandnext{\elta{b}##1}{########1}%
+ #2\ltxkeys@parser@nil#2?{}}%
+ \def\eltc{\ltxkeys@ifxTF!\unexpanded{{####1}{####4}{\unexpanded{####4}}}}%
+ \cptexpanded{\endgroup
+ \def#1####1{\ifstrcmpTF!{####1}{\elta{a}}{\eltb+}}%
+ \def\elta{a}####1{\eltb!}%
+ \def\elta{b}####1####2#2####3?####4####5{%
+ \ltxkeys@ifxTF\ltxkeys@parser@nil{####2}{\eltc}{%
+ \ifstrcmpTF{####2}{\listbreak}{\eltc}{%
+ \elta{b}{####1}####3?{####4####5{####2}}{####5}%
+ }%
+ }%
+ }%
+ }%
+}
+\endgroup
+
+% Break out of the loop using \loopbreak.
+\robust@def*\ltxkeys@listparse{\cpt@testst\ltxkeys@listparse@a}
+\robust@def*\ltxkeys@listparse@a#1{%
+ \begingroup
+ \def\reserved@a##1##2{\endgroup
+ \def\ltxkeys@nlz{##1}\def\ltxkeys@inkv{##2}%
+ }%
+ \cptexpandsecond\reserved@a{%
+ \ifcase#1{01}{01}\or{00}{01}\or{01}{00}\or{00}{00}\else{01}{01}\fi
+ }%
+ \cpt@testopt\ltxkeys@listparse@b,%
+}
+\robust@def*\ltxkeys@listparse@b[#1]#2{%
+ \cpt@stchoose{cpt@st}{#2}\ltxkeys@listitem\ltxkeys@listparse
+ \cptpushfunctions\ltxkeys@listparse{%
+ \\\ifloopbreak\\\ifltxkeys@useempty\\\ltxkeys@doo
+ \\\ltxkeys@listparse@c\\\ltxkeys@listparse@d\\\ltxkeys@loopcbk
+ \\\stopprocessinglistkey
+ }\cpt@csvdepth
+ \let\stopprocessinglistkey\loopbreak
+ \ifdefTF\ltxkeys@do
+ {\let\ltxkeys@doo\ltxkeys@do}{\cpt@notdeferr\ltxkeys@do}%
+ \def\ltxkeys@listparse@c{%
+ \ifboolTF{loopbreak}
+ {\gobble@to@sentinel\ltxkeys@nil#1}{\ltxkeys@listparse@d.}%
+ }%
+ \def\ltxkeys@listparse@d##1#1{%
+ \edef\ltxkeys@listitem{\expandcsonce{\@gobble##1}}%
+ \ltxkeys@ifxTF\ltxkeys@listitem\ltxkeys@nnil{}{%
+ \ltxkeys@ifcsemptyTF\ltxkeys@listitem{%
+ \ifboolFT{ltxkeys@useempty}{}{\ltxkeys@doo{}}%
+ }{%
+ \s@expandarg\ltxkeys@doo\ltxkeys@listitem
+ }%
+ \relax\ltxkeys@listparse@c
+ }%
+ }%
+ \ifswitchTF{ltxkeys@nlz}{%
+ \usename{\if\ltxkeys@inkv kv\else csv\fi @@normalize}*[#1]%
+ \ltxkeys@listitem
+ }{}%
+ \loopbreakfalse
+ \expandafter\ltxkeys@listparse@c\ltxkeys@listitem#1\ltxkeys@nil#1%
+ \cptpopfunctions\ltxkeys@listparse\cpt@csvdepth
+ \ifnum\cpt@csvdepth=\z@pt\undefcs\ltxkeys@do\fi
+}
+\def\ltxkeys@keyprefixhook{}
+\def\ltxkeys@macroprefixhook{}
+\def\ltxkeys@keyfamilyhook{}
+\robust@def*\ltxkeys@reservekeyprefix{%
+ \cpt@testst\ltxkeys@res@rvekeyprefix
+}
+\robust@def*\ltxkeys@res@rvekeyprefix#1{%
+ \cptexpanded{%
+ \ifcpt@st\AfterEndOfStyleFile{\fi
+ \cptfiltermergecsv[,]\unexpanded{%
+ \ltxkeys@keyprefixhook{#1}\nofilter
+ \globalize\ltxkeys@keyprefixhook
+ }%
+ \ifcpt@st}\fi
+ }%
+}
+\robust@def*\ltxkeys@reservekeyfamily{%
+ \cpt@testst\ltxkeys@res@rvekeyfamily
+}
+\robust@def*\ltxkeys@res@rvekeyfamily#1{%
+ \cptexpanded{%
+ \ifcpt@st\AfterEndOfStyleFile{\fi
+ \cptfiltermergecsv[,]\unexpanded{%
+ \ltxkeys@keyfamilyhook{#1}\nofilter
+ \globalize\ltxkeys@keyfamilyhook
+ }%
+ \ifcpt@st}\fi
+ }%
+}
+\robust@def*\ltxkeys@reservemacroprefix{%
+ \cpt@testst\ltxkeys@res@rvemacroprefix
+}
+\robust@def*\ltxkeys@res@rvemacroprefix#1{%
+ \cptexpanded{%
+ \ifcpt@st\AfterEndOfStyleFile{\fi
+ \cptfiltermergecsv[,]\unexpanded{%
+ \ltxkeys@macroprefixhook{#1}\nofilter
+ \globalize\ltxkeys@macroprefixhook
+ }%
+ \ifcpt@st}\fi
+ }%
+}
+\ltxkeys@reservekeyfamily*{ltxkeys}
+\ltxkeys@reservemacroprefix*{ltxkeys@}
+
+\robust@def*\ltxkeys@unreservekeyprefix{%
+ \cpt@testst\ltxkeys@unres@rvekeyprefix
+}
+\robust@def*\ltxkeys@unres@rvekeyprefix#1{%
+ \cptexpanded{%
+ \ifcpt@st\AfterEndOfStyleFile{\fi
+ \cptfilterremovecsv[,]\unexpanded{%
+ \ltxkeys@keyprefixhook{#1}\nofilter
+ \globalize\ltxkeys@keyprefixhook
+ }%
+ \ifcpt@st}\fi
+ }%
+}
+\robust@def*\ltxkeys@unreservekeyfamily{%
+ \cpt@testst\ltxkeys@unres@rvekeyfamily
+}
+\robust@def*\ltxkeys@unres@rvekeyfamily#1{%
+ \cptexpanded{%
+ \ifcpt@st\AfterEndOfStyleFile{\fi
+ \cptfilterremovecsv[,]\unexpanded{%
+ \ltxkeys@keyfamilyhook{#1}\nofilter
+ \globalize\ltxkeys@keyfamilyhook
+ }%
+ \ifcpt@st}\fi
+ }%
+}
+\robust@def*\ltxkeys@unreservemacroprefix{%
+ \cpt@testst\ltxkeys@unres@rvemacroprefix
+}
+\robust@def*\ltxkeys@unres@rvemacroprefix#1{%
+ \cptexpanded{%
+ \ifcpt@st\AfterEndOfStyleFile{\fi
+ \cptfilterremovecsv[,]\unexpanded{%
+ \ltxkeys@macroprefixhook{#1}\nofilter
+ \globalize\ltxkeys@macroprefixhook
+ }%
+ \ifcpt@st}\fi
+ }%
+}
+\robust@def*\ltxkeys@testopt@a#1{\cpt@testopt{\ltxkeys@testopt@b#1}{KV}}
+\robust@def*\ltxkeys@testopt@b#1[#2]#3{%
+ \ifltxkeys@useempty\else
+ \iflacus#3\dolacus
+ \ltxkeys@warn{Empty key family encountered\on@line}%
+ \fi
+ \fi
+ \ltxkeys@makepf{#2}%
+ \ltxkeys@makehdr{#3}%
+ #1%
+}
+\robust@def*\ltxkeys@testopt@c#1{%
+ \begingroup
+ \catcode`\,=12\relax
+ \cpt@testopt{\ltxkeys@testopt@d#1}{KV}%
+}
+\robust@def*\ltxkeys@testopt@d#1[#2]#3{%
+ \ifltxkeys@pl\else
+ \def\temp@err##1{%
+ \ltxkeys@err{Multiple ##1 in \noexpandcsn
+ {ltxkeys@set\ifltxkeys@rm rm\fi keys}%
+ without '+' suffix}\ltxkeys@ehd
+ }%
+ \ltxkeys@ifeltcountTF[,](>)\@ne{#2}{%
+ \temp@err{prefixes}%
+ }{%
+ \ltxkeys@ifeltcountTF[,](>)\@ne{#3}{%
+ \temp@err{families}%
+ }{}%
+ }%
+ \fi
+ \endgroup
+ \ltxkeys@commanormalizeset{{#2}\ltxkeys@prefs,{#3}\ltxkeys@fams}%
+ \cpt@testopt{#1}{}%
+}
+\robust@def*\ltxkeys@testopt@e#1#2{%
+ \ltxkeys@testopt@a{%
+ \cptexpandarg{\cpt@testopt{\ltxkeys@testopt@f#1}}{#2\ltxkeys@hdr}%
+ }%
+}
+\robust@def*\ltxkeys@testopt@f#1[#2]#3{%
+ \ifboolTF{ltxkeys@sw}{%
+ \cpt@ifbrack{\ltxkeys@sttrue#1{#2}{#3}}{\ltxkeys@stfalse#1{#2}{#3}[]}%
+ }{%
+ \cpt@ifbrack{\ltxkeys@bracedefault{\ltxkeys@sttrue#1{#2}{#3}}}%
+ {\ltxkeys@stfalse#1{#2}{#3}[]}%
+ }%
+}
+\robust@def*\ltxkeys@testopt@g#1#2{%
+ \cptexpandarg\ltxkeys@testopt@a{\noexpandcsn{ltxkeys@#1}{#2}}%
+}
+\robust@def*\ltxkeys@bracedefault#1[{%
+ \begingroup
+ \toks@{#1}%
+ \defpass\ltxkeys@tempa##1]{%
+ \toks1\expandafter{\@gobble##1}%
+ \cptexpandsecond\endgroup{\the\toks@[{\the\toks1}]}%
+ }.%
+}
+\robust@def*\ltxkeys@testopt@@a#1{\ltxkeys@testst{\ltxkeys@testopt@@b#1}}
+\robust@def*\ltxkeys@testopt@@b#1{\cpt@testopt{\ltxkeys@testopt@@c#1}{KV}}
+\robust@def*\ltxkeys@testopt@@c#1[#2]{%
+ \ltxkeys@commanormalize{#2}\ltxkeys@prefs
+ \cpt@testfam{\ltxkeys@testopt@@d#1}%
+}
+\robust@def*\ltxkeys@testopt@@d#1<#2>{%
+ \expandafter\ltxkeys@commanormalize
+ \expandafter{\romannumeral-`\q#2}\ltxkeys@fams
+ \cpt@testopt{#1}{}%
+}
+\robust@def*\ltxkeys@findpointers#1{%
+ \ltxkeys@svfalse\ltxkeys@nvfalse
+ \let\infdpointers\cptswtrue
+ \let\infdp@inters\cptswfalse
+ \ltxkeys@findp@inters{\savevalue\needvalue}{#1}\ltxkeys@tkey{%
+ \ltxkeys@svtrue\ltxkeys@nvtrue
+ \ltxkeys@addtopointedkeys{savevalue}\ltxkeys@tkey
+ \ltxkeys@addtopointedkeys{needvalue}\ltxkeys@tkey
+ }{%
+ \ltxkeys@findp@inters{\needvalue\savevalue}{#1}\ltxkeys@tkey{%
+ \ltxkeys@svtrue\ltxkeys@nvtrue
+ \ltxkeys@addtopointedkeys{needvalue}\ltxkeys@tkey
+ \ltxkeys@addtopointedkeys{savevalue}\ltxkeys@tkey
+ }{%
+ \ltxkeys@findp@inters{\needvalue}{#1}\ltxkeys@tkey{%
+ \ltxkeys@svfalse\ltxkeys@nvtrue
+ \ltxkeys@addtopointedkeys{needvalue}\ltxkeys@tkey
+ }{%
+ \let\infdp@inters\cptswtrue
+ \ltxkeys@findp@inters{\savevalue}{#1}\ltxkeys@tkey{%
+ \ltxkeys@svtrue\ltxkeys@nvfalse
+ \ltxkeys@addtopointedkeys{savevalue}\ltxkeys@tkey
+ }{%
+ \ltxkeys@debug{==}{Key '\ltxkeys@tkey' has no pointer}%
+ }%
+ }%
+ }%
+ }%
+ \let\infdpointers\cptswfalse
+}
+\robust@def*\ltxkeys@findp@inters#1#2#3{%
+ \def\reserved@a##1#1##2##3\ltxkeys@nil{%
+ \edef#3{\unexpanded{##2}}%
+ \ltxkeys@ifxTF#3\ltxkeys@nnil{%
+ \edef#3{\unexpanded{##1}}%
+ \if\infdpointers
+ \if\infdp@inters
+ \ltxkeys@trimspacesincs#3%
+ \fi
+ \else
+ \ltxkeys@trimspacesincs#3%
+ \fi
+ \@secondoftwo
+ }{%
+ \ltxkeys@trimspacesincs#3%
+ \@firstoftwo
+ }%
+ }%
+ \reserved@a#2#1{\ltxkeys@nil}\ltxkeys@nil
+}
+\robust@def*\ltxkeys@addtopointedkeys#1#2{%
+ \letcstocsn\reserved@e{\ltxkeys@hdr#1keys}%
+ \ifdefTF\reserved@e{%
+ \xifinsetTF{,\cptoxdetok{#2},}{,\cptoxdetok\reserved@e,}{}{%
+ \csn@xdef{\ltxkeys@hdr#1keys}{%
+ \csliststack,\reserved@e\expandcsonce{#2}%
+ }%
+ }%
+ }{%
+ \csn@xdef{\ltxkeys@hdr#1keys}{\expandcsonce{#2}}%
+ }%
+}
+\robust@def*\ltxkeys@addtosavedvalue#1#2{%
+ \edef\ltxkeys@tempa{#1{\expandcsonce{#2}}}%
+ \letcstocsn\reserved@e{\ltxkeys@hdr @savedvaluelist}%
+ \ifdefTF\reserved@e{%
+ \oifinset@sp@TF,\ltxkeys@tempa\reserved@e{}{%
+ \csn@xdef{\ltxkeys@hdr @savedvaluelist}{%
+ \csliststack,\reserved@e\expandcsonce\ltxkeys@tempa
+ }%
+ }%
+ }{%
+ \csn@xdef{\ltxkeys@hdr @savedvaluelist}{%
+ \expandcsonce\ltxkeys@tempa
+ }%
+ }%
+}
+\new@def*\ltxkeys@currtriple{%
+ \ltxkeys@ifcsemptyTF\ltxkeys@ttpref{???}\ltxkeys@ttpref,%
+ \ltxkeys@ifcsemptyTF\ltxkeys@tfam{???}\ltxkeys@tfam,%
+ \ltxkeys@tkey
+}
+\robust@def*\ltxkeys@makepf#1{%
+ \s@expandarg\ltxkeys@trimspaces{#1}\ltxkeys@ttpref
+ \edef\ltxkeys@tpref{%
+ \ltxkeys@ifcsemptyTF\ltxkeys@ttpref{}{\ltxkeys@ttpref @}%
+ }%
+}
+\robust@def*\ltxkeys@makehdr#1{%
+ \s@expandarg\ltxkeys@trimspaces{#1}\ltxkeys@tfam
+ \edef\ltxkeys@hdr{%
+ \ltxkeys@tpref\ltxkeys@ifcsemptyTF\ltxkeys@tfam{}{\ltxkeys@tfam @}%
+ }%
+}
+\new@def*\ltxkeys@badkeynamelist{}
+\robust@def*\ltxkeys@badkeynames#1{%
+ \ltxkeys@ifcsemptyTF\ltxkeys@badkeynamelist{%
+ \expandafter\ltxkeys@commanormalize\expandafter
+ {\detokenize{#1}}\ltxkeys@badkeynamelist
+ }{%
+ \cptexpandsecond{\cptfiltermergecsv[,]}
+ {\noexpand\ltxkeys@badkeynamelist{\detokenize{#1}}}\nofilter
+ }%
+}
+\newletcs\ltxkeys@addbadkeynames\ltxkeys@badkeynames
+\robust@def*\ltxkeys@removebadkeynames#1{%
+ \ltxkeys@ifcsemptyTF\ltxkeys@badkeynamelist{%
+ \ltxkeys@info{Couldn't delete from empty
+ \string\ltxkeys@badkeynamelist}%
+ }{%
+ \cptexpandsecond{\cptfilterremovecsv[,]}
+ {\noexpand\ltxkeys@badkeynamelist{\detokenize{#1}}}\nofilter
+ }%
+}
+\ltxkeys@badkeynames{.code,ordkey,cmdkey,choicekey,boolkey,%
+ handledkeys,presetkeys,postsetkeys,rmkeys,executedkeys,bool,%
+ boolean,tog,toggle,switch,true,false,on,off,count,%
+ savevaluekeys,xfamilykeys,needvalue,savevalue,usevalue%
+}
+\robust@def*\ltxkeys@findbadkeyname#1{%
+ \begingroup
+ \edef\ltxkeys@tempa{\cpttrimspaces{#1}}%
+ \oifinset@sp@TF,\ltxkeys@tempa\ltxkeys@badkeynamelist{%
+ \ltxkeys@err{Bad key name '\ltxkeys@tempb'}\ltxkeys@ehd
+ }{}%
+ \endgroup
+}
+\robust@def*\ltxkeys@saveinitialkeyvals#1#2#3{%
+ \ifltxkeys@disable\else
+ \ifltxkeys@tracingkeys
+ \s@expandarg\ltxkeys@findbadkeyname{#2}%
+ \fi
+ \ifltxkeys@twk\else
+ \letcstocsn\ltxkeys@tempa{\ltxkeys@hdr initialkeyvals}%
+ \csn@xdef{\ltxkeys@hdr initialkeyvals}{%
+ \csliststack,\ltxkeys@tempa\expandcsonce{#2}=%
+ \ifstrcmpTF{#1}{bool}{false}{%
+ \ifstrcmpTF{#1}{switch}{false}{\unexpanded{#3}}%
+ }%
+ }%
+ \fi
+ \ifboolTF{ltxkeys@tracingkeys}{%
+ \ltxkeys@getbasechars[20]{#3}\ltxkeys@tempa
+ \ltxkeys@debug{==}{Definition done:
+ \ltxkeys@currtriple,\ltxkeys@tempa}%
+ }{}%
+ \fi
+}
+\robust@def*\ltxkeys@checkdefkey{%
+ \ifcsndefTF{\ltxkeys@hdr\ltxkeys@tkey}{%
+ \ifltxkeys@disable\else
+ \ifltxkeys@chdef
+ \ltxkeys@error{Key already exists: \ltxkeys@currtriple}
+ {Defining only new keys: key '\ltxkeys@currtriple'
+ already exists.}%
+ \else
+ \ltxkeys@debug{!!}{Key already exists: \ltxkeys@currtriple}%
+ \fi
+ \fi
+ }{%
+ \ltxkeys@debug{==}{This is a new key: \ltxkeys@currtriple}%
+ }%
+ \ltxkeys@chdeffalse
+ \ifltxkeys@reservenopath\else
+ \ltxkeys@checkreserved
+ \fi
+}
+\robust@def*\ltxkeys@checkreserved{%
+ \ltxkeys@debug{==}{Checking reserved key paths}%
+ \def\@do##1,##2,##3;{%
+ \ifnot@nil{##1}{%
+ \ifnum\numexpr
+ \ifdefTF##2{0}{-1}\ltxkeys@ifcsemptyTF##2{-1}{+0}%
+ \ifdefTF##3{+0}{-1}\ltxkeys@ifcsemptyTF##3{-1}{+0}<\z@pt
+ \else
+ \oifinset@sp@FT,##2##3{}{%
+ \ltxkeys@error{##1 '##2' is reserved}
+ {You have used a reserved ##1: '##2'.}%
+ }%
+ \fi
+ \@do
+ }%
+ }%
+ \@do key prefix,\ltxkeys@ttpref,\ltxkeys@keyprefixhook;%
+ key family,\ltxkeys@tfam,\ltxkeys@keyfamilyhook;%
+ macro prefix,\ltxkeys@macpref,\ltxkeys@macroprefixhook;\@nil,,;%
+ \ltxkeys@debug{==}{No clash with reserved key paths}%
+}
+\robust@def*\ltxkeys@ordkey{%
+ \ltxkeys@swfalse
+ \def\ltxkeys@macpref{}%
+ \ltxkeys@testopt@a\ltxkeys@ordkey@a
+}
+\newletcs\ltxkeys@ordkeys\ltxkeys@ordkey
+\robust@def*\ltxkeys@newordkey{\ltxkeys@chdeftrue\ltxkeys@ordkey}
+\newletcs\ltxkeys@newordkeys\ltxkeys@newordkey
+\robust@def*\ltxkeys@ordkey@a#1{%
+ \ltxkeys@debug{==}{Ordinary key '\ltxkeys@tkey' is being defined}%
+ \cpt@ifbrack{%
+ \ltxkeys@bracedefault{\ltxkeys@sttrue\ltxkeys@ordkey@b{#1}}%
+ }{%
+ \ltxkeys@stfalse\ltxkeys@ordkey@b{#1}[]%
+ }%
+}
+\robust@def*\ltxkeys@ordkey@b#1[#2]#3{%
+ \let\ifltxkeys@keyst\ifltxkeys@st
+ \edef\ltxkeys@loopcbk##1{{##1}\unexpanded{{#2}{#3}}}%
+ \ifinsetTF,{#1}{%
+ \def\ltxkeys@do##1{%
+ \expandafter\ltxkeys@ordkey@c\ltxkeys@loopcbk{##1}%
+ }%
+ \ltxkeys@listparse1{#1}%
+ }{%
+ \ltxkeys@ordkey@c{#1}{#2}{#3}%
+ }%
+}
+\robust@def*\ltxkeys@ordkey@c#1#2#3{%
+ \ltxkeys@findpointers{#1}%
+ \ltxkeys@checkdefkey
+ \ifdefboolFT{ltxkeys@keyst}{}{%
+ \ltxkeys@definedefault\ltxkeys@tkey{#2}%
+ }%
+ \ltxkeys@saveinitialkeyvals{}\ltxkeys@tkey{#2}%
+ \@namedef{\ltxkeys@hdr\ltxkeys@tkey}##1{#3}%
+}
+
+\robust@def*\ltxkeys@denyusevaluepointer#1{%
+ \xifinsetTF{\detokenize{\usevalue}}{\detokenize{#1}}{%
+ \ltxkeys@err{Pointer '\string\usevalue' not allowed when
+ defining keys}\@ehd
+ }{}%
+}
+% List processor keys:
+\robust@def*\ltxkeys@getlistseparator#1{%
+ \xifinsetTF{\detokenize{\listsep}}{\detokenize{#1}}{%
+ \def\reserved@a##1\listsep##2##3\ltxkeys@nil{%
+ \ifblankTF{##2}{%
+ \def\ltxkeys@listsep{,}%
+ }{%
+ \edef\ltxkeys@listsep{\cpttrimspace{##2}}%
+ }%
+ \edef\ltxkeys@tempb{\cpttrimspace{##1}\cpttrimspace{##3}}%
+ }%
+ \reserved@a#1\ltxkeys@nil
+ }{%
+ \def\ltxkeys@listsep{,}%
+ \edef\ltxkeys@tempb{\cpttrimspace{#1}}%
+ }%
+}
+% \ltxkeyslistkey[<pref>]{<fam>}{<key>}[<dft>]{<fn>}
+\robust@def*\ltxkeys@listkey{%
+ \ltxkeys@swfalse
+ \def\ltxkeys@macpref{}%
+ \ltxkeys@testopt@a\ltxkeys@listkey@a
+}
+\newletcs\ltxkeys@listkeys\ltxkeys@listkey
+\robust@def*\ltxkeys@newlistkey{\ltxkeys@chdeftrue\ltxkeys@listkey}
+\newletcs\ltxkeys@newlistkeys\ltxkeys@newlistkey
+\robust@def*\ltxkeys@listkey@a#1{%
+ \ltxkeys@debug{==}{Lisp key '\ltxkeys@tkey' is being defined}%
+ \cpt@ifbrack{%
+ \ltxkeys@bracedefault{\ltxkeys@sttrue\ltxkeys@listkey@b{#1}}%
+ }{%
+ \ltxkeys@stfalse\ltxkeys@listkey@b{#1}[]%
+ }%
+}
+\robust@def*\ltxkeys@listkey@b#1[#2]#3{%
+ \let\ifltxkeys@keyst\ifltxkeys@st
+ \edef\ltxkeys@loopcbk##1{{##1}\unexpanded{{#2}{#3}}}%
+ \ifinsetTF,{#1}{%
+ \def\ltxkeys@do##1{%
+ \expandafter\ltxkeys@listkey@c\ltxkeys@loopcbk{##1}%
+ }%
+ \ltxkeys@listparse1{#1}%
+ }{%
+ \ltxkeys@listkey@c{#1}{#2}{#3}%
+ }%
+}
+\robust@def*\ltxkeys@listkey@c#1#2#3{%
+ \ltxkeys@denyusevaluepointer{#1}%
+ \ltxkeys@findpointers{#1}%
+ \ltxkeys@checkdefkey
+ \ifdefboolTF{ltxkeys@keyst}{%
+ \ltxkeys@definedefault\ltxkeys@tkey{#2}%
+ }{}%
+ \ltxkeys@saveinitialkeyvals{}\ltxkeys@tkey{#2}%
+ \ltxkeys@getlistseparator{#3}%
+ \def\reserved@a{\csn@def{\ltxkeys@hdr\ltxkeys@tkey @auxcbk}####1}%
+ \expandafter\reserved@a\expandafter{\ltxkeys@tempb}%
+ \csn@edef{\ltxkeys@hdr\ltxkeys@tkey}##1{%
+ \def\noexpand\ltxkeys@listcount{0}%
+ \edef\noexpand\ltxkeys@tempa{\noexpand\ltxkeys@stripallouterbraces{##1}}%
+ \def\noexpand\ltxkeys@do####1{%
+ \noexpand\cptpushnumber\noexpand\ltxkeys@listcount
+ \noexpandcsn{\ltxkeys@hdr\ltxkeys@tkey @auxcbk}{####1}%
+ }%
+ \ltxkeys@listparse*1[\ltxkeys@listsep]\noexpand\ltxkeys@tempa
+ }%
+}
+
+\robust@def*\ltxkeys@cmdkey{%
+ \ltxkeys@swfalse
+ \ltxkeys@testopt@e\ltxkeys@cmdkey@a{cmd}%
+}
+\newletcs\ltxkeys@cmdkeys\ltxkeys@cmdkey
+\robust@def*\ltxkeys@newcmdkey{\ltxkeys@chdeftrue\ltxkeys@cmdkey}
+\newletcs\ltxkeys@newcmdkeys\ltxkeys@newcmdkey
+\robust@def*\ltxkeys@cmdkey@a#1#2[#3]#4{%
+ \let\ifltxkeys@keyst\ifltxkeys@st
+ \edef\ltxkeys@loopcbk##1{%
+ \ltxkeys@cmdkey@b{#1}{##1}\unexpanded{{#3}{#4}}%
+ }%
+ \ifinsetTF,{#2}{%
+ \def\ltxkeys@do##1{\ltxkeys@loopcbk{##1}}%
+ \ltxkeys@listparse1{#2}%
+ }{%
+ \ltxkeys@cmdkey@b{#1}{#2}{#3}{#4}%
+ }%
+}
+\robust@def*\ltxkeys@cmdkey@b#1#2#3#4{%
+ \def\ltxkeys@macpref{#1}%
+ \ltxkeys@findpointers{#2}%
+ \ltxkeys@debug{==}{Command key '\ltxkeys@tkey' is being defined}%
+ \ltxkeys@checkdefkey
+ \ifdefboolFT{ltxkeys@keyst}{}{\ltxkeys@definedefault\ltxkeys@tkey{#3}}%
+ \ltxkeys@saveinitialkeyvals{}\ltxkeys@tkey{#3}%
+ \begingroup
+ \edef\ltxkeys@tempa{\endgroup\csn@def{\ltxkeys@hdr\ltxkeys@tkey}####1}%
+ \edef\ltxkeys@tempb##1{%
+ {\csn@edef{#1\ltxkeys@tkey}{\noexpand\unexpanded{####1}}##1}%
+ }%
+ \expandafter\ltxkeys@tempa\ltxkeys@tempb{#4}%
+}
+\robust@def*\ltxkeys@boolkey{%
+ \ltxkeys@swtrue
+ \ltxkeys@testpl{\ltxkeys@testopt@e\ltxkeys@boolkey@a{bool}}%
+}
+\newletcs\ltxkeys@boolkeys\ltxkeys@boolkey
+\robust@def*\ltxkeys@newboolkey{\ltxkeys@chdeftrue\ltxkeys@boolkey}
+\newletcs\ltxkeys@newboolkeys\ltxkeys@newboolkey
+\robust@def*\ltxkeys@boolkey@a#1#2[#3]{%
+ \let\ifltxkeys@keyst\ifltxkeys@st
+ \ifblankTF{#3}{}{%
+ \xifstrcmpTF{#3}{true}{}{%
+ \xifstrcmpTF{#3}{false}{}{%
+ \ltxkeys@err{Bad boolean value '#3'}\ltxkeys@ehd
+ }%
+ }%
+ }%
+ \ltxkeys@commanormalize{#2}\ltxkeys@tempa
+ \cptexpanded{%
+ \ifboolTF{ltxkeys@pl}\ltxkeys@boolkey@d
+ \ltxkeys@boolkey@c{#1}{\expandcsonce\ltxkeys@tempa}{#3}%
+ }%
+}
+\robust@def*\ltxkeys@boolkey@b#1#2#3{%
+ \ltxkeys@findpointers{#2}%
+ \ltxkeys@debug{==}{Boolean key '\ltxkeys@tkey' is being defined}%
+ \ltxkeys@saveinitialkeyvals{bool}\ltxkeys@tkey{#3}%
+ \edef\ltxkeys@resa##1##2{%
+ \ltxkeys@boolkey@e\cptmakecs{\ltxkeys@hdr\ltxkeys@tkey}%
+ {\ltxkeys@tkey}{#1\ltxkeys@tkey}\unexpanded{{#3}}%
+ {{\ltxkeys@setbool\noexpand\ltxkeys@resa\noexpand
+ \usename{#1\ltxkeys@tkey\noexpand\ltxkeys@resa}##1}%
+ \gobble@or@empty{##2}}%
+ }%
+}
+\robust@def*\ltxkeys@boolkey@c#1#2#3#4{%
+ \let\gobble@or@empty\@gobble
+ \edef\ltxkeys@loopcbk##1{%
+ \ltxkeys@boolkey@b{#1}{##1}\unexpanded{{#3}}%
+ \noexpand\ltxkeys@resa\unexpanded{{#4}}{}%
+ }%
+ \ifinsetTF,{#2}{%
+ \def\ltxkeys@do##1{\ltxkeys@loopcbk{##1}}%
+ \ltxkeys@listparse1{#2}%
+ }{%
+ \ltxkeys@loopcbk{#2}%
+ }%
+}
+\robust@def*\ltxkeys@boolkey@d#1#2#3#4#5{%
+ \let\gobble@or@empty\@empty
+ \edef\ltxkeys@loopcbk##1{%
+ \ltxkeys@boolkey@b{#1}{##1}\unexpanded{{#3}}%
+ \noexpand\ltxkeys@resa\unexpanded{{#4}{#5}}%
+ }%
+ \ifinsetTF,{#2}{%
+ \def\ltxkeys@do##1{\ltxkeys@loopcbk{##1}}%
+ \ltxkeys@listparse1{#2}%
+ }{%
+ \ltxkeys@loopcbk{#2}%
+ }%
+}
+\robust@def*\ltxkeys@boolkey@e#1#2#3#4#5{%
+ % We've delayed the calling of \ltxkeys@checkdefkey till
+ % here because of biboolkeys:
+ \def\reserved@a##1#2\ltxkeys@nil{%
+ \def\ltxkeys@macpref{##1}%
+ }%
+ \reserved@a#3\ltxkeys@nil
+ \ltxkeys@checkdefkey
+ \csnnewif{#3}%
+ \ifboolFT{ltxkeys@keyst}{}{\ltxkeys@definedefault{#2}{#4}}%
+ \cptexpandarg{\def#1##1}{%
+ \csn@def{#3}{####1}%
+ \noexpandcsn{cpt@pl\ifltxkeys@pl true\else false\fi}%
+ \unexpanded{\cpt@sttrue\ltxkeys@cc@b,(\ltxkeys@resa)%
+ {##1}{true,false}#5}%
+ }%
+}
+% \ltxkeys@biboolkeys[pref]{fam}[mp]{key1,key2}[dft]{key1-fn}{key2-fn}
+% \ltxkeys@biboolkeys+[pref]{fam}[mp]{key1,key2}[dft]{key1-fn}{key2-fn}
+% {<fallback>}
+% <fallback> will be called if input isn't valid (ie, not in the
+% set {true | false}.
+\robust@def*\ltxkeys@biboolkeys{%
+ \ltxkeys@swtrue
+ \ltxkeys@testpl{\ltxkeys@testopt@e\ltxkeys@biboolkeys@a{}}%
+}
+\robust@def*\ltxkeys@newbiboolkeys{\ltxkeys@chdeftrue\ltxkeys@biboolkeys}
+% #1: <mp>
+% #2: keys
+% #3: default value
+\robust@def*\ltxkeys@biboolkeys@a#1#2[#3]{%
+ \ifboolTF{ltxkeys@pl}\ltxkeys@biboolkeys@c\ltxkeys@biboolkeys@b
+ {#1}{#2}{#3}%
+}
+% #1: <mp>
+% #2: keys
+% #3: default value
+% #4: callback for primary boolean key
+% #5: callback for secondary boolean key
+\robust@def*\ltxkeys@biboolkeys@b#1#2#3#4#5{%
+ \ltxkeys@biboolkeys@d{#1}{#2}{#3}%
+ \ltxkeys@tempa{#4}%
+ \ltxkeys@tempb{#5}%
+}
+% #1: <mp>
+% #2: keys
+% #3: default value
+% #4: callback for primary boolean key
+% #5: callback for secondary boolean key
+% #6: callback if user-supplied value isn't valid
+\robust@def*\ltxkeys@biboolkeys@c#1#2#3#4#5#6{%
+ \ltxkeys@biboolkeys@d{#1}{#2}{#3}%
+ \ltxkeys@tempa{#4}{#6}%
+ \ltxkeys@tempb{#5}{#6}%
+}
+% #1: <mp>
+% #2: keys
+% #3: default value
+\robust@def*\ltxkeys@biboolkeys@d#1#2#3{%
+ \ltxkeys@ifeltcountTF[,](=)\tw@{#2}{}{%
+ \ltxkeys@error{Biboolean keys '#2' not equal to 2}\ltxkeys@ehd
+ }%
+ \ltxkeys@commanormalize{#2}\ltxkeys@keys
+ \def\ltxkeys@tempa##1,##2\ltxkeys@nil##3##4{%
+ \ltxkeys@findpointers{##1}%
+ \ltxkeys@debug{==}{Boolean key '\ltxkeys@tkey' is being defined}%
+ \let\ltxkeys@tkeya\ltxkeys@tkey
+ \ltxkeys@findpointers{##2}%
+ \ltxkeys@debug{==}{Boolean key '\ltxkeys@tkey' is being defined}%
+ \cptexpandarg{\cpt@newv@riables{tog}\ltxkeys@hdr}
+ {\ltxkeys@tkeya,\ltxkeys@tkey}[false]%
+ \cptexpandsecond\ltxkeys@biboolkeys@e
+ {{\ltxkeys@tkeya}{\ltxkeys@tkey}}{#1}{#3}{##3}{##4}%
+ }%
+ \cptexpandsecond\ltxkeys@tempa
+ {\ltxkeys@keys\ltxkeys@nil{\ltxkeys@ttpref}{\ltxkeys@tfam}}%
+ \undefcs\ltxkeys@tkeya
+}
+% #1: primary key
+% #2: secondary key
+% #3: <mp>
+% #4: default value
+% #5: key prefix
+% #6: key family
+\robust@def\ltxkeys@biboolkeys@e#1#2#3#4#5#6{%
+ \ifltxkeys@pl
+ % For primary key:
+ \long\def\ltxkeys@tempa##1##2{%
+ % ##1->callback if input is valid, ##2->callback otherwise
+ \aftercsname\ltxkeys@boolkey@e{\ltxkeys@hdr#1}{#1}{#3#1}{#4}{{%
+ \ltxkeys@setbool\ltxkeys@resa\usename{#3#1\ltxkeys@resa}%
+ ##1\relax
+ \ltxkeys@biboolkeys@f{#1}{#2}{#3#1}{#5}{#6}%
+ }{##2}}%
+ }%
+ % For secondary key:
+ \long\def\ltxkeys@tempb##1##2{%
+ % ##1->callback if input is valid, ##2->callback otherwise
+ \aftercsname\ltxkeys@boolkey@e{\ltxkeys@hdr#2}{#2}{#3#2}{#4}{{%
+ \ltxkeys@setbool\ltxkeys@resa\usename{#3#2\ltxkeys@resa}%
+ ##1\relax
+ \ltxkeys@biboolkeys@f{#2}{#1}{#3#2}{#5}{#6}%
+ }{##2}}%
+ }%
+ \else
+ % For primary key:
+ \long\def\ltxkeys@tempa##1{%
+ % ##1->callback if input is valid
+ \aftercsname\ltxkeys@boolkey@e{\ltxkeys@hdr#1}{#1}{#3#1}{#4}{%
+ \ltxkeys@setbool\ltxkeys@resa\usename{#3#1\ltxkeys@resa}%
+ ##1\relax
+ \ltxkeys@biboolkeys@f{#1}{#2}{#3#1}{#5}{#6}%
+ }%
+ }%
+ % For secondary key:
+ \long\def\ltxkeys@tempb##1{%
+ % ##1->callback if input is valid
+ \aftercsname\ltxkeys@boolkey@e{\ltxkeys@hdr#2}{#2}{#3#2}{#4}{%
+ \ltxkeys@setbool\ltxkeys@resa\usename{#3#2\ltxkeys@resa}%
+ ##1\relax
+ \ltxkeys@biboolkeys@f{#2}{#1}{#3#2}{#5}{#6}%
+ }%
+ }%
+ \fi
+}
+\robust@def\ltxkeys@biboolkeys@f#1#2#3#4#5{%
+ % If #1 is not being called by its twin (#2):
+ \iftogTF{\ltxkeys@hdr#1}{}{%
+ % Set flag to show that #2 is being set within its twin (#1):
+ \settogtrue{\ltxkeys@hdr#2}%
+ \cptexpandarg{\ltxkeys@setkeys[#4]{#5}}{#2=\thebool@reverse{#3}}%
+ \settogfalse{\ltxkeys@hdr#2}%
+ }%
+}
+%%++
+% \ltxkeys@stylekey[<pref>]{<fam>}[<mp>]{<key>}[<dft>](<deps>){<fn>}.
+% The dependants <deps> have the syntax:
+% {<keytype>/<keyname>/<dft>/<callback>; another set of dependant; etc}.
+%
+% <keytype> can be 'ord' (ordinary key), 'cmd' (command key), 'bool'
+% (boolean key), or 'choice' (choice key).
+%
+% If the *-form is used, all undefined dependants will be defined and set
+% on the fly as the parent is being set. If the *-form isn't used and
+% undefined dependants occur, then an error message will be flagged
+% at the time the parent is being set.
+
+% It is possible to refer to the parent key's name and current value
+% (with \parentkey and \parentval) and parent key's callback
+% (with full macro name) within <dft> and <callback> of <deps>.
+%
+% '#1' in the callback of dependant key refers to the current value of
+% the dependant key.
+
+\robust@def*\ltxkeys@stylekey{%
+ \ltxkeys@swfalse
+ % The test for star here is for the 2 types of style key.
+ % The test for defining a default for the key is at
+ % \ltxkeys@testopt@f, via \ltxkeys@testopt@e.
+ \ltxkeys@testst{%
+ \cpt@cnta\ifltxkeys@st1\else0\fi\relax
+ \ltxkeys@testopt@e\ltxkeys@stylekey@a{style}%
+ }%
+}
+\newletcs\ltxkeys@stylekeys\ltxkeys@stylekey
+\robust@def*\ltxkeys@newstylekey{\ltxkeys@chdeftrue\ltxkeys@stylekey}
+\newletcs\ltxkeys@newstylekeys\ltxkeys@newstylekey
+\robust@def*\ltxkeys@stylekey@a#1#2[#3]{%
+ \def\ltxkeys@macpref{#1}%
+ \cpt@testpnopt{\ltxkeys@stylekey@b{#1}{#2}{#3}}{}%
+}
+\robust@def*\ltxkeys@stylekey@b#1#2#3(#4)#5{%
+ \let\ifltxkeys@keyst\ifltxkeys@st
+ \edef\ltxkeys@loopcbk##1{%
+ \ltxkeys@stylekey@c{#1}{##1}\unexpanded{{#3}{#4}{#5}}%
+ }%
+ \ifinsetTF,{#2}{%
+ \def\ltxkeys@do##1{\ltxkeys@loopcbk{##1}}%
+ \ltxkeys@listparse1{#2}%
+ }{%
+ \ltxkeys@stylekey@c{#1}{#2}{#3}{#4}{#5}%
+ }%
+}
+\robust@def*\ltxkeys@stylekey@c#1#2#3#4#5{%
+ \ltxkeys@debug{==}{Style key '\ltxkeys@tkey' is being defined}%
+ \ltxkeys@findpointers{#2}%
+ \ltxkeys@checkdefkey
+ \ltxkeys@saveinitialkeyvals{}\ltxkeys@tkey{#3}%
+ \ifltxkeys@keyst
+ \s@expandarg\ltxkeys@definedefault\ltxkeys@tkey{#3}%
+ \fi
+ \cptexpandtwoargs\ltxkeys@in
+ {\detokenize\expandafter{\unexpanded\expandafter
+ {\csname\ltxkeys@hdr\ltxkeys@tkey @value\endcsname}}}
+ {\detokenize{#4}}%
+ \csn@edef{\ltxkeys@hdr\ltxkeys@tkey @dependants}{\unexpanded{#4}}%
+ \cptpassexpanded{%
+ \csn@def{\ltxkeys@hdr\ltxkeys@tkey}####1{%
+ \csn@edef{#1\ltxkeys@tkey}{\noexpand\unexpanded{####1}}%
+ \edef\noexpand\parentval{\noexpand\unexpanded{####1}}%
+ \ifin@
+ \csn@xdef{\ltxkeys@hdr\ltxkeys@tkey @value}%
+ {\noexpand\unexpanded{####1}}%
+ \fi
+ \unexpanded{#5}\relax
+ \ltxkeys@setdependants{\number\cpt@cnta}{#1}%
+ }%
+ }%
+}
+
+% #1: style type: '1' (*-form) or '0' (plain, non-*-form).
+% #2: <macro prefix>
+\robust@def*\ltxkeys@setdependants#1#2{%
+ \letcstocsn\ltxkeys@tempa{\ltxkeys@hdr\ltxkeys@tkey @dependants}%
+ % If no dependants:
+ \ltxkeys@ifcsemptyTF\ltxkeys@tempa{}{%
+ \cpt@sttrue
+ \expandafter\cpt@csvnormalize
+ \expandafter[\ltxkeys@keyparser]\ltxkeys@tempa
+ % If we're in \ltxkeys@declarekeys, don't set dependants
+ % when setting up defaults:
+ \ifboolTF{ltxkeys@dec}{}{%
+ \cptexpandargonce{\ltxkeys@s@tdependants{#1}{#2}}\ltxkeys@tempa
+ }%
+ }%
+}
+\robust@def*\ltxkeys@s@tdependants#1#2#3{%
+ \begingroup
+ \toks0{}\toks1{}\toks2{}%
+ \def\ltxkeys@do##1{%
+ \ltxkeys@s@td@pendants{##1}%
+ \ltxkeys@s@td@p@ndants{#1}%
+ }%
+ \cptexpandsecond{\ltxkeys@listparse0}{[\ltxkeys@keyparser]}{#3}%
+ % We're in a group: so \ifblankTF can be temporarily redefined:
+ \let\ifblankTF\relax
+ \cptpassexpanded{%
+ \endgroup
+ % If we're in dependant keys, use the user-supplied value
+ % of parent key to initialize the slave key in \ltxkeys@declarekeys:
+ \noexpand\ltxkeys@deptrue
+ \ifblankTF{\the\toks0}{}%
+ {\ltxkeys@setkeys[\expandcsonce\ltxkeys@ttpref]%
+ {\expandcsonce\ltxkeys@tfam}{\the\toks0}}%
+ \ifblankTF{\the\toks1}{}%
+ {\ltxkeys@declarekeys[\ltxkeys@ttpref]%
+ {\ltxkeys@tfam}[#2]{\the\toks1}}%
+ \ifblankTF{\the\toks2}{}{%
+ \ltxkeys@err{Undefined dependant keys: ||\the\toks2||}
+ {I have come across undefined dependant keys. You can
+ \MsgBrk use the star (*) form of '\string\ltxkeys@stylekey'
+ \MsgBrk to define and set dependant keys on the fly.
+ }%
+ }%
+ }%
+ \ltxkeys@depfalse
+}
+\robust@def*\ltxkeys@s@td@pendants#1{%
+ \begingroup
+ \def\key@name{}\def\key@default{}\def\key@callback{}%
+ % '#1' may come with nested parameters that will make it
+ % impossible to include '#1' directly in \temp@err.
+ % So we put '#1' in a token register:
+ \@temptokena{#1}%
+ \def\ltxkeys@splita##1/##2/{%
+ \ifblankTF{##1##2}{%
+ % No keys to read (remove forward slashes):
+ \ltxkeys@err{Something is wrong with dependant keys}\ltxkeys@ehd
+ \expandafter\gobble@to@sentinel\expandafter
+ \ltxkeys@nil\ltxkeys@keyparser
+ }{%
+ \ltxkeys@trimspaces{##1}\key@type
+ % To avoid back-linking, a style key can't have another
+ % style key as a dependant:
+ \expandafter\ltxkeys@striplaststar
+ \key@type\@empty*\@empty\ltxkeys@nil\key@type
+ \xifstrcmpFT\key@type{sty}{}{%
+ \ltxkeys@err{A dependant key can't have dependants:
+ ||\the\@temptokena||}\ltxkeys@ehd
+ }%
+ \xifinsetTF\key@type{,ord,cmd,bool,choice,}{}{%
+ \ltxkeys@err{Invalid key type '\key@type' in dependant key(s)
+ ||\the\@temptokena||}\ltxkeys@ehd
+ }%
+ \ifblankTF{##2}{%
+ \ltxkeys@err{Empty key name in dependant key(s)
+ ||\the\@temptokena||}\ltxkeys@ehd
+ }{%
+ \ltxkeys@findpointers{##2}%
+ \let\key@name\ltxkeys@tkey
+ }%
+ \ltxkeys@ifrejname{%
+ \ltxkeys@err{Wrong syntax for dependant keys}\ltxkeys@ehd
+ }%
+ \ltxkeys@splitb.%
+ }%
+ }%
+ \def\ltxkeys@splitb##1/##2/##3\ltxkeys@nil{%
+ \edef\key@default{\expandcsonce{\@gobble##1}}%
+ \ltxkeys@trimspacesincs\key@default
+ \xifstrcmpTF{\cptoxdetok\key@default}{\detokenize{\parentval}}{%
+ \edef\key@default{\expandcstwice\key@default}%
+ }{}%
+ \edef\key@callback{\unexpanded{##2}}%
+ \ltxkeys@stripdotcode\key@callback
+ }%
+ \ltxkeys@splita#1/^?^/^?^/^?^/\ltxkeys@nil
+ \let\do\cpt@csexit
+ \cptpassexpanded{%
+ \endgroup
+ \do\key@type\do\key@name\do\key@default\do\key@callback
+ }%
+}
+\robust@def*\ltxkeys@s@td@p@ndants#1{%
+ \ifcsndefTF{\ltxkeys@hdr\key@name}{%
+ \cptpassexpanded{%
+ \toks0{\the\toks0\oifblankTF{\the\toks0}{}{,}%
+ \expandcsonce\key@name=\expandcsonce\key@default}%
+ }%
+ }{%
+ \cptpassexpanded{%
+ % Test if the parent was defined with the
+ % *-form of \ltxkeys@stylekey, ie, if #1=1 or 0:
+ \ifnum\numexpr#1=\@ne
+ \toks1{%
+ \the\toks1\oifblankTF{\the\toks1}{}{\ltxkeys@keyparser}%
+ \key@type/\expandcsonce\key@name
+ \ifx\key@default\ltxkeys@rej\else/\expandcsonce\key@default\fi
+ \ifx\key@callback\ltxkeys@rej\else/\expandcsonce\key@callback\fi
+ }%
+ \else
+ \toks2{\the\toks2\oifblankTF{\the\toks2}{}{,}%
+ \expandcsonce\key@name}%
+ \fi
+ }%
+ }%
+}
+
+%%++
+% \ltxkeys@choicekey*+![<pref]{<fam>}[<mp>]{<key>}[<bin>]{<alt>}[<dft>]{<f1>}{<f2>}
+% If <mp> is absent, then \ltxkeys@choicekey uses \chc<pref>@<family>@<key>
+% to hold user input.
+%
+% When there are no callbacks in <alt> ist has the syntax
+% {choice1, choice2, etc}.
+%
+% But when <alt> has callbacks, it has the syntax:
+% {choice1/.code=callback1; choice2/.code=callback2; etc}.
+%
+% It is possible to refer to the current value of <key> as '#1' in <alt>.
+%
+\robust@def*\ltxkeys@choicekey{%
+ \ltxkeys@swfalse
+ \ltxkeys@suffixcheck{\ltxkeys@teststpl{\ltxkeys@testcl
+ {\ltxkeys@testopt@a{\cpt@testopt\ltxkeys@choicekey@a
+ {chc\ltxkeys@hdr}}}}}%
+}
+\newletcs\ltxkeys@choicekeys\ltxkeys@choicekey
+\robust@def*\ltxkeys@newchoicekey{\ltxkeys@chdeftrue\ltxkeys@choicekey}
+\newletcs\ltxkeys@newchoicekeys\ltxkeys@newchoicekey
+% #1: <mp> (prefix for user-input holder) name;
+% #2: keynames
+\robust@def*\ltxkeys@choicekey@a[#1]#2{%
+ \edef\ltxkeys@macpref{#1}%
+ \begingroup
+ \catcode`\=\string=12\catcode`\,=12
+ \catcode`\;=12\catcode`\.=12
+ \cpt@testopt{\expandafter\endgroup\ltxkeys@choicekey@b{#1}{#2}}{}%
+}
+% #3: bin
+% #4 alt values
+\robust@def*\ltxkeys@choicekey@b#1#2[#3]#4{%
+ \ifblankTF{#4}{%
+ \ltxkeys@err{Choice key can't have empty nominations}\ltxkeys@ehd
+ }{}%
+ % Make \ltxkeys@chclist for the choice key:
+ \ltxkeys@makechclist{#4}{0}%
+ \cpt@ifbrack{%
+ \ltxkeys@sttrue\ltxkeys@bracedefault
+ {\ltxkeys@choicekey@c{#1}{#2}{#3}{#4}}%
+ }{%
+ \ltxkeys@stfalse\ltxkeys@choicekey@c{#1}{#2}{#3}{#4}[]%
+ }%
+}
+% #1: mp, #2: keynames, #3: bin, #4: alt, #5: default
+\robust@def*\ltxkeys@choicekey@c#1#2#3#4[#5]{%
+ \ltxkeys@commanormalize{#2}\ltxkeys@tempa
+ \edef\ltxkeys@tempa{\unexpanded{{#1}}{\expandcsonce\ltxkeys@tempa}}%
+ \cptexpanded{%
+ \noexpand\expandafter
+ \ifltxkeys@pl\ltxkeys@choicekey@f\else\ltxkeys@choicekey@e\fi
+ }%
+ \ltxkeys@tempa{#3}{#4}{#5}%
+}
+% #1: mp, #2: keyname, #3: default
+\robust@def*\ltxkeys@choicekey@d#1#2#3{%
+ \ltxkeys@findpointers{#2}%
+ \ltxkeys@debug{==}{Choice key '\ltxkeys@tkey' is being defined}%
+ \ltxkeys@checkdefkey
+ \ifltxkeys@st\ltxkeys@definedefault\ltxkeys@tkey{#3}\fi
+ \ltxkeys@saveinitialkeyvals{choice}\ltxkeys@tkey{#3}%
+ \edef\ltxkeys@resa##1##2##3{%
+ \ltxkeys@choicekey@g\cptmakecs{\ltxkeys@hdr\ltxkeys@tkey}%
+ {#1\ltxkeys@tkey}{##1}{##2}{##3}%
+ }%
+}
+% #1: mp, #2: keynames, #3: bin, #4: alt, #5: default, #6: cbk
+\robust@def*\ltxkeys@choicekey@e#1#2#3#4#5#6{%
+ \edef\ltxkeys@loopcbk##1{%
+ \ltxkeys@choicekey@d{#1}{##1}\unexpanded{{#5}}%
+ \noexpand\ltxkeys@resa\unexpanded{{#3}{#4}{{#6}}}%
+ }%
+ \ifinsetTF,{#2}{%
+ \def\ltxkeys@do##1{%
+ \ltxkeys@loopcbk{##1}%
+ }%
+ \ltxkeys@listparse1{#2}%
+ }{%
+ \ltxkeys@loopcbk{#2}%
+ }%
+}
+% #1: mp, #2: keyname, #3: bin, #4: alt, #5: default, #6: cbk1, #7: cbk2
+\robust@def*\ltxkeys@choicekey@f#1#2#3#4#5#6#7{%
+ \edef\ltxkeys@loopcbk##1{%
+ \ltxkeys@choicekey@d{#1}{##1}\unexpanded{{#5}}%
+ \noexpand\ltxkeys@resa\unexpanded{{#3}{#4}{{#6}{#7}}}%
+ }%
+ \ifinsetTF,{#2}{%
+ \def\ltxkeys@do##1{%
+ \ltxkeys@loopcbk{##1}%
+ }%
+ \ltxkeys@listparse1{#2}%
+ }{%
+ \ltxkeys@loopcbk{#2}%
+ }%
+}
+% #1: keymacro, #2: mp+keyname, #3: bin, #4: alt, #5: cbk
+\robust@def*\ltxkeys@choicekey@g#1#2#3#4#5{%
+ \ifinsetTF{/.code=}{#4}{%
+ \def\ltxkeys@tempa{\ltxkeys@executechclist}%
+ }{%
+ \ifinsetTF{/}{#4}{%
+ \def\ltxkeys@tempa{\ltxkeys@executechclist}%
+ }{%
+ \def\ltxkeys@tempa{\@gobble}%
+ }%
+ }%
+ \edef#1{%
+ \csn@edef{#2}{\noexpand\unexpanded{####1}}%
+ \cptmakecs{cpt@st\ifltxkeys@st true\else false\fi}%
+ \cptmakecs{cpt@pl\ifltxkeys@pl true\else false\fi}%
+ \ifltxkeys@cl
+ \edef\noexpand\reserved@a{####1}%
+ \else
+ \edef\noexpand\reserved@a{\noexpand\unexpanded{####1}}%
+ \fi
+ \def\noexpand\reserved@b{\unexpanded{\ltxkeys@cc@b,(#3)}}%
+ \unexpanded{\expandafter\reserved@b\expandafter{\reserved@a}}%
+ {\expandcsonce\ltxkeys@chclist}\unexpanded{#5}%
+ \expandcsonce\ltxkeys@tempa{\unexpanded{#4}}%
+ }%
+ % Believe it or not, this is one of the tricks that works:
+ \def\ltxkeys@tempa{\def#1####1}%
+ \expandafter\ltxkeys@tempa\expandafter{#1}%
+}
+% Make the list of valid alternate values of a choice key:
+% #1: alt-list (containing choice callbacks)
+% #2: caller identifier (0 for defining, 1 for setting key)
+\robust@def*\ltxkeys@makechclist#1#2{%
+ \begingroup
+ \def\ltxkeys@chclist{}%
+ \def\ltxkeys@tempb##1/.code=##2\ltxkeys@nil{%
+ \ltxkeys@tempd{##1}{##2}%
+ }%
+ \def\ltxkeys@tempc##1/##2/##3\ltxkeys@nil{%
+ \ltxkeys@tempd{##1}{##2}%
+ }%
+ \def\ltxkeys@tempd##1##2{%
+ \ltxkeys@remdottrimspaces{##1}\ltxkeys@tempa
+ \ifcase#2\relax
+ % We're defining a choice key:
+ \cptaddtolist*[,]\ltxkeys@chclist\ltxkeys@tempa
+ \or
+ % We're setting a choice key:
+ \cptexpandarg\lowercase{%
+ \def\noexpand\ltxkeys@tempa{\expandcsonce\ltxkeys@tempa}%
+ \def\noexpand\ltxkeys@tval{\expandcsonce\ltxkeys@tval}%
+ }%
+ % The comparison must be catcode agonistic:
+ \oifstrcmpTF\ltxkeys@tempa\ltxkeys@tval{%
+ \edef\ltxkeys@chclist{\unexpanded{##2}}%
+ \loopbreak
+ }{}%
+ \else
+ \ltxkeys@err{Invalid number '#2' while
+ in \string\ltxkeys@makechclist}\ltxkeys@ehd
+ \fi
+ }%
+ \def\ltxkeys@do##1{%
+ \ifinsetTF{/.code=}{##1}{%
+ \ltxkeys@tempb.##1\ltxkeys@nil
+ }{%
+ \ltxkeys@tempc.##1//\ltxkeys@nil
+ }%
+ }%
+ \expandafter\ifinsetTF\expandafter{\ltxkeys@keyparser}{#1}{%
+ \cptexpandsecond{\ltxkeys@listparse1}{[\ltxkeys@keyparser]}{#1}%
+ }{%
+ \ifinsetTF{,}{#1}{%
+ \ltxkeys@listparse1[,]{#1}%
+ }{%
+ \ltxkeys@listparse1[,]{#1,}%
+ }%
+ }%
+ \postgroupdef\ltxkeys@chclist\endgroup
+}
+% Execute the callback for alternate values of a choice key:
+% #1: alt-list (containing choice callbacks)
+\robust@def*\ltxkeys@executechclist#1{%
+ \begingroup
+ \ltxkeys@makechclist{#1}{1}%
+ \expandafter\endgroup\ltxkeys@chclist
+}
+% #1: key name
+% #2: default value
+\robust@def*\ltxkeys@definedefault#1#2{%
+ \xifstrcmpTF{\detokenize{#2}}{\detokenize{\parentval}}{%
+ \s@expandarg\ltxkeys@trimspaces{#2}\ltxkeys@tempa
+ }{%
+ \ltxkeys@trimspaces{#2}\ltxkeys@tempa
+ }%
+ \csn@edef{\ltxkeys@hdr#1@default}{%
+ \noexpandcsn{\ltxkeys@hdr#1}{\expandcsonce\ltxkeys@tempa}%
+ }%
+}
+\robust@def*\ltxkeys@getkeyname#1=#2\ltxkeys@nil#3{%
+ \ltxkeys@findpointers{#1}%
+ \let#3\ltxkeys@tkey
+}
+\robust@def*\ltxkeys@getkeynames#1{%
+ \begingroup
+ \def\ltxkeys@keynames{}%
+ \def\ltxkeys@do##1{%
+ \ltxkeys@getkeyname##1=\ltxkeys@nil\ltxkeys@tempa
+ \edef\ltxkeys@keynames{%
+ \csliststack,\ltxkeys@keynames\expandcsonce\ltxkeys@tempa
+ }%
+ }%
+ \ifblankTF{#1}{}{\ltxkeys@listparse3{#1}}%
+ \postgroupdef\ltxkeys@keynames\endgroup
+}
+\robust@def*\ltxkeys@getkeyvalue#1=#2\ltxkeys@nil#3{%
+ \ifinsetTF{=\ltxkeys@nil}{#2\ltxkeys@nil}{%
+ \ltxkeys@novaluefalse
+ \begingroup
+ \def\ltxkeys@tempa##1=##2\ltxkeys@nil{\endgroup
+% \s@expandarg\ltxkeys@trimspaces{\@gobble##1}#3%
+ \ltxkeys@remdottrimspaces{##1}#3%
+ \let\CurrentVal#3%
+ }%
+ \ltxkeys@tempa.#2\ltxkeys@nil
+ }{%
+ \ltxkeys@novaluetrue\def#3{}%
+ }%
+}
+\robust@def*\ltxkeys@splitkeyval#1\ltxkeys@nil#2#3{%
+ \ltxkeys@getkeyname#1=\ltxkeys@nil#2%
+ \ltxkeys@getkeyvalue#1=\ltxkeys@nil#3%
+}
+% Keys that must (or not) appear in \usepackage and \RequirePackage:
+% \ltxkeys@optionkeys[<prf>]{<fam>}{<keys>}
+\robust@def*\ltxkeys@optionkeys{%
+ \ltxkeys@notinpkgclserr\ltxkeys@optionkeys
+ \cpt@testst\ltxkeys@opti@nkeys
+}
+\robust@def*\ltxkeys@opti@nkeys{%
+ \ifboolTF{cpt@st}{%
+ \ltxkeys@testopt@g{opti@nk@ys}{non}%
+ }{%
+ \ltxkeys@testopt@g{opti@nk@ys}{}%
+ }%
+}
+\robust@def*\ltxkeys@nonoptionkeys#1{%
+ \ltxkeys@notinpkgclserr\ltxkeys@nonoptionkeys
+ \ifstrcmpTF{#1}{*}{%
+ \ltxkeys@warn{No star form of \string\ltxkeys@nonoptionkeys:
+ \MsgBrk star (*) ignored}%
+ \ltxkeys@testopt@g{opti@nk@ys}{non}%
+ }{%
+ \ifsingletokenTF{#1}{%
+ \ltxkeys@testopt@g{opti@nk@ys}{non}#1%
+ }{%
+ \ltxkeys@testopt@g{opti@nk@ys}{non}{#1}%
+ }%
+ }%
+}
+\robust@def*\ltxkeys@opti@nk@ys#1#2{%
+ \def\ltxkeys@do##1{%
+ \ifcsndefTF{\ltxkeys@hdr##1}{%
+ \ifcsndefTF{\ltxkeys@hdr#1optionkeys}{%
+ \xifinsetTF{,\detokenize{##1},}
+ {,\cptsxdetok{\usename{\ltxkeys@hdr#1optionkeys}},}{}{%
+ \csn@edef{\ltxkeys@hdr#1optionkeys}{%
+ \expandcsnonce{\ltxkeys@hdr#1optionkeys},%
+ \unexpanded{##1}%
+ }%
+ }%
+ }{%
+ \csn@def{\ltxkeys@hdr#1optionkeys}{##1}%
+ }%
+ }{%
+ \ltxkeys@err{Key '##1' is undefined in family '\ltxkeys@tfam'}
+ {Only defined keys can be made '#1option' keys.}%
+ }%
+ }%
+ \ltxkeys@listparse1{#2}%
+}
+% Make defined keys option-keys from their <pref> and <fam>.
+% The starred (*) variant makes non-option keys.
+\robust@def*\ltxkeys@makeoptionkeys{%
+ \cpt@teststopt\ltxkeys@m@keoptionkeys{KV}%
+}
+\robust@def*\ltxkeys@m@keoptionkeys[#1]#2{%
+ \let\ifltxkeys@keyst\ifcpt@st
+ \ifcsndefTF{#1@#2@initialkeyvals}{%
+ \letcstocsn\ltxkeys@tempa{#1@#2@initialkeyvals}%
+ }{%
+ \ltxkeys@err{No initial key-values for family '#2'}\ltxkeys@ehd
+ }%
+ \s@expandarg\ltxkeys@getkeynames\ltxkeys@tempa
+ \ltxkeys@ifcsemptyTF\ltxkeys@keynames{}{%
+ \cptexpandargonce
+ {\usename{ltxkeys@\ifltxkeys@keyst non\fi optionkeys}[#1]{#2}}
+ \ltxkeys@keynames
+ }%
+}
+\robust@def*\ltxkeys@makenonoptionkeys{%
+ \cpt@sttrue\cpt@testopt\ltxkeys@m@keoptionkeys{KV}%
+}
+\robust@def*\ltxkeys@handledkeys{%
+ \ltxkeys@testopt@g{h@ndledkeys}{handled}%
+}
+\newletcs\ltxkeys@addhandledkeys\ltxkeys@handledkeys
+\robust@def*\ltxkeys@removehandledkeys{%
+ \ltxkeys@testopt@g{rem@vehandledkeys}{handled}%
+}
+\robust@def*\ltxkeys@undefhandledkeys{%
+ \ltxkeys@testcl{\ltxkeys@testopt@g{undefh@ndledkeys}{handled}}%
+}
+\robust@def*\ltxkeys@emptifyhandledkeys{%
+ \ltxkeys@testcl{\ltxkeys@testopt@g{emptifyh@ndledkeys}{handled}}%
+}
+\robust@def*\ltxkeys@savevaluekeys{%
+ % \<KV>@<fam>@savevalue@keys is used by pointed keys.
+ \ltxkeys@testopt@g{h@ndledkeys}{savevalue}%
+}
+\newletcs\ltxkeys@addsavevaluekeys\ltxkeys@savevaluekeys
+\robust@def*\ltxkeys@removesavevaluekeys{%
+ \ltxkeys@testopt@g{rem@vehandledkeys}{savevalue}%
+}
+\robust@def*\ltxkeys@undefsavevaluekeys{%
+ \ltxkeys@testcl{\ltxkeys@testopt@g{undefh@ndledkeys}{savevalue}}%
+}
+\robust@def*\ltxkeys@emptifysavevaluekeys{%
+ \ltxkeys@testcl{\ltxkeys@testopt@g{emptifyh@ndledkeys}{savevalue}}%
+}
+\robust@def*\ltxkeys@h@ndledkeys#1#2{%
+ \letcstocsn\ltxkeys@rsvda{\ltxkeys@hdr#1keys}%
+ \def\ltxkeys@do##1{%
+ \ifcsndefTF{\ltxkeys@hdr##1}{%
+ \def\ltxkeys@tempb{##1}%
+ \ifdefTF\ltxkeys@rsvda{%
+ \oifinset@sp@TF,\ltxkeys@tempb\ltxkeys@rsvda{}{%
+ \edef\ltxkeys@rsvda{%
+ \csliststack,\ltxkeys@rsvda\unexpanded{##1}%
+ }%
+ }%
+ }{%
+ \let\ltxkeys@rsvda\ltxkeys@tempb
+ }%
+ }{%
+ \ltxkeys@err{Key '##1' is undefined in family
+ '\ltxkeys@tfam'}
+ {Only defined keys can be made #1-keys.}%
+ }%
+ }%
+ \ltxkeys@listparse1{#2}%
+ \letcsntocs{\ltxkeys@hdr#1keys}\ltxkeys@rsvda
+}
+\robust@def*\ltxkeys@rem@vehandledkeys#1#2{%
+ \letcstocsn\ltxkeys@rsvda{\ltxkeys@hdr#1keys}%
+ \ifdefTF\ltxkeys@rsvda{%
+ \def\ltxkeys@do##1{%
+ \ifcsndefTF{\ltxkeys@hdr##1}{%
+ \def\ltxkeys@tempb{##1}%
+ \oifinset@sp@TF,\ltxkeys@tempb\ltxkeys@rsvda{%
+ \let\cpt@fromrem\cptswtrue\cpt@sttrue
+ \cpt@removeoneelement[,]\ltxkeys@rsvda{##1}%
+ }{%
+ \ltxkeys@warn{Key '##1' with prefix '\ltxkeys@ttpref'
+ in family\MsgBrk '\ltxkeys@tfam' is not a #1 key:
+ \MsgBrk It couldn't be deleted from #1-keys list.}%
+ }%
+ }{%
+ \ltxkeys@err{Key '##1' with prefix '\ltxkeys@ttpref' in
+ family\MsgBrk '\ltxkeys@tfam' is not defined.}
+ {I couldn't delete #1-keys.}%
+ }%
+ }%
+ \ltxkeys@listparse1{#2}%
+ }{%
+ \ltxkeys@err{No #1 keys for family '\ltxkeys@tfam'}%
+ {No #1 keys exist for prefix '\ltxkeys@ttpref' and
+ \MsgBrk family '\ltxkeys@tfam'.}%
+ }%
+ \letcsntocs{\ltxkeys@hdr#1keys}\ltxkeys@rsvda
+}
+\robust@def*\ltxkeys@undefh@ndledkeys#1{%
+ \ifcsndefTF{\ltxkeys@hdr#1keys}{%
+ \usename{\ifltxkeys@cl g\fi undefcsn}{\ltxkeys@hdr#1keys}%
+ }{%
+ \ltxkeys@err{No #1 keys for prefix '\ltxkeys@ttpref'
+ \MsgBrk and family '\ltxkeys@tfam'}
+ {I couldn't undefine #1-keys.}%
+ }%
+}
+\robust@def*\ltxkeys@emptifyh@ndledkeys#1{%
+ \ifcsndefTF{\ltxkeys@hdr#1keys}{%
+ \usename{\ifltxkeys@cl g\fi emptifycsn}{\ltxkeys@hdr#1keys}%
+ }{%
+ \ltxkeys@err{No #1 keys for prefix '\ltxkeys@ttpref'
+ \MsgBrk and family '\ltxkeys@tfam'}
+ {I couldn't emptify #1-keys.}%
+ }%
+}
+\robust@def*\ltxkeys@iftkeyinlist#1{%
+ \ifcsndefTF{\ltxkeys@hdr#1}{%
+ \letcstocsn\ltxkeys@tempa{\ltxkeys@hdr#1}%
+ \oifinset@sp@TF,\ltxkeys@tkey\ltxkeys@tempa
+ }{%
+ \@secondoftwo
+ }%
+}
+\robust@def*\ltxkeys@testsavevaluekey{%
+ \ltxkeys@debug{==}{Testing if '\ltxkeys@tkey' is a savevalue key}%
+ \ltxkeys@iftkeyinlist{savevaluekeys}{%
+ \ltxkeys@svtrue
+ }{%
+ \ltxkeys@svfalse
+ \ltxkeys@debug{==}{'\ltxkeys@tkey' is not a savevalue key}%
+ }%
+}
+% Test for option or non-option keys:
+\robust@def*\ltxkeys@testoptionkey#1{%
+ \begingroup
+ \def\ltxkeys@tempc{\ifstrcmpTF{#1}{non}{not }{}}%
+ \def\ltxkeys@tempd{\ifstrcmpTF{#1}{non}{}{not }}%
+ \ltxkeys@debug{==}{Testing if '\ltxkeys@tkey' is
+ \ltxkeys@tempc option key}%
+ \ltxkeys@iftkeyinlist{#1optionkeys}{%
+ \ltxkeys@err
+ {The following key should \ltxkeys@tempc
+ appear in \noexpand\usepackage or \string\RequirePackage:
+ ||\ltxkeys@ttpref, \ltxkeys@tfam, \ltxkeys@tkey||}%
+ {\ltxkeys@tempc option key error.}%
+ }{%
+ \ltxkeys@debug{==}{Key '\ltxkeys@tkey' is
+ \ltxkeys@tempd option key}%
+ }%
+ \endgroup
+}
+\robust@def*\ltxkeys@testneedvaluekey{%
+ \ltxkeys@debug{==}{Testing if '\ltxkeys@tkey' is a needvalue key}%
+ \ltxkeys@iftkeyinlist{needvaluekeys}{%
+ \ltxkeys@err{You're required to supply a value for
+ \MsgBrk key '\ltxkeys@tkey' in family '\ltxkeys@tfam'}
+ {Please supply a value for key '\ltxkeys@tkey' of families
+ \MsgBrk'\ltxkeys@fams' and rerun. The author of this key
+ \MsgBrk meant it to require a user value.}%
+ }{%
+ \ltxkeys@debug{==}{'\ltxkeys@tkey' is not a
+ needvalue key}%
+ }%
+}
+\robust@def*\ltxkeys@setbool#1{%
+ \xifstrcmpTF{#1}{on}{%
+ \def#1{true}%
+ }{%
+ \xifstrcmpTF{#1}{off}{%
+ \def#1{false}%
+ }{%
+ \edef#1{#1}%
+ }%
+ }%
+}
+
+% Gather keys and their values for use in (declaring
+% or defining keys). \key@vals must have been initialized
+% by the caller.
+%
+% #1: default value
+% #2: Key macro (for testing if it contains '\ltxkeys@setaliaskey').
+% If the key macro contains '\ltxkeys@setaliaskey', then the key is a
+% twin/alias key:
+\robust@def*\ltxkeys@accumkeyvals#1#2{%
+ \ifblankTF{#1}{%
+ \ltxkeys@twkfalse
+ }{%
+ \ltxkeys@ifinlistTF(1){\ltxkeys@setaliaskey,\setaliaskey}{#2}%
+ {\ltxkeys@twktrue}{\ltxkeys@twkfalse}%
+ }%
+ \begingroup
+ \edef\elt{\ifblankTF{#1}{}{\unexpanded{#1}}}%
+ \edef\key@vals{%
+ \csliststack,\key@vals\expandcsonce\key@name=%
+ \ifltxkeys@dep
+ % We're dealing with a dependant key; use the user-supplied value:
+ \expandcsonce\elt
+ \else
+ \ifstrcmpTF{#1}{true}{false}{\expandcsonce\elt}%
+ \fi
+ }%
+ % Set slave key with master when 'ltxkeys@ssk' is true, whether
+ % or not the key macro contains '\ltxkeys@setaliaskey':
+ \ifltxkeys@ssk
+ \gletcs\key@vals\key@vals
+ \else
+ % If the key macro contains '\ltxkeys@setaliaskey', don't include
+ % it in the list:
+ \ifltxkeys@twk\else
+ \gletcs\key@vals\key@vals
+ \fi
+ \fi
+ \endgroup
+}
+% Define boolean and command keys compactly & robustly:
+% 1. \ltxkeys@definekeys[pref]{<fam>}[macropf]{<keyname>=<dft>
+% /<callback>; ...}.
+% Key default value and macro can be absent,
+% but boolean keys must have values (<true> | <false>),
+% to be distinguishable from cmd keys.
+% 2. Use \ltxkeys@checkchoice or \CheckUserInput to introduce
+% choice keys as command keys.
+% 3. Ordinary and choice keys can't be introduced directly by
+% this command (use \ltxkeys@declarekeys).
+% 4. The *-form can be used to define new keys (in the sense
+% of \newcommand).
+\robust@def*\ltxkeys@definekeys{%
+ \begingroup
+ \endlinechar\m@one
+ \cpt@teststopt\ltxkeys@definekeys@a{KV}%
+}
+\robust@def*\ltxkeys@definekeys@a[#1]#2{%
+ \gletcs\ifltxkeys@keyst\ifcpt@st
+ \cpt@testopt{\expandafter\endgroup\ltxkeys@definekeys@b{#1}{#2}}{}%
+}
+\robust@def*\ltxkeys@definekeys@b#1#2[#3]#4{%
+ \ltxkeys@makepf{#1}%
+ \ltxkeys@makehdr{#2}%
+ \ltxkeys@dectrue
+ \begingroup
+ \ltxkeys@trimspacesset{%
+ {#1}\key@pref,{#2}\key@fam,{#3}\macro@pref
+ }%
+ \toks@{}%
+ \def\key@vals{}%
+ % We want \ltxkeys@definekeys to have a slightly different
+ % syntax to \ltxkeys@declarekeys. So we use '=' here. But
+ % the equality sign can always be replaced with '/' and
+ % this won't cause any problems:
+ \def\ltxkeys@splita##1={\ltxkeys@splitc##1/.}%
+ \def\ltxkeys@splitb##1/{\ltxkeys@splitc##1/.}%
+ \def\ltxkeys@splitc##1/##2/##3/##4\ltxkeys@nil{%
+ \ifblankTF{##1}{%
+ \ltxkeys@err{Empty key name while in
+ \string\ltxkeys@definekeys}\ltxkeys@ehd
+ }{%
+ \ltxkeys@findpointers{##1}%
+ \let\key@name\ltxkeys@tkey
+ \ifltxkeys@keyst
+ \ifcsndefFT{\ltxkeys@iffirstnull\key@pref @%
+ \ltxkeys@iffirstnull\key@fam @\key@name
+ }{}{%
+ \ltxkeys@err{Key '\key@name' already defined in family
+ \MsgBrk '\iflacus#2\dolacus???\else#2\fi' with prefix
+ '\iflacus#1\dolacus???\else#1\fi'}\ltxkeys@ehd
+ }%
+ \fi
+ \oifblankTF{\@gobble##2}{%
+ \def\key@default{}%
+ }{%
+ \ltxkeys@remdottrimspaces{##2}\key@default
+ }%
+ \edef\key@callback{\unexpanded{##3}}%
+ \ltxkeys@stripdotcode\key@callback
+ \cptexpandsecond\ltxkeys@accumkeyvals{%
+ {\ifx\key@default\ltxkeys@rej\else\expandcsonce\key@default\fi}%
+ {\ifx\key@callback\ltxkeys@rej\else\expandcsonce\key@callback\fi}%
+ }%
+ \def\defwith{\ltxkeys@boolkey}%
+ \oifstrcmpTF\key@default{true}{}{%
+ \oifstrcmpTF\key@default{false}{}{%
+ \def\defwith{\ltxkeys@cmdkey}%
+ }%
+ }%
+ \cptexpanded{%
+ \toks@{\the\toks@
+ \cptmakecs{ltxkeys@twk\ifltxkeys@twk true\else false\fi}%
+ \defwith[\key@pref]{\key@fam}%
+ \ifx\macro@pref\@empty\else[\macro@pref]\fi
+ {\expandcsonce\key@name}%
+ \ifx\key@default\ltxkeys@rej\else[\expandcsonce\key@default]\fi
+ \ifx\key@callback\ltxkeys@rej{}\else{\expandcsonce\key@callback}\fi
+ }%
+ }%
+ }%
+ }%
+ \def\ltxkeys@do##1{%
+ \ltxkeys@removedotcode{##1}\ltxkeys@tempa
+ \expandafter\ltxkeys@in\expandafter*\expandafter
+ =\expandafter{\ltxkeys@tempa}{%
+ \expandafter\ltxkeys@splita\ltxkeys@tempa/^?^/^?^/\ltxkeys@nil
+ }{%
+ \expandafter\ltxkeys@splitb\ltxkeys@tempa/^?^/^?^/\ltxkeys@nil
+ }%
+ }%
+ \cptexpandsecond{\ltxkeys@listparse1}{[\ltxkeys@keyparser]}{#4}%
+ % Define and initialize the keys here directly:
+ \cptexpandsecond\endgroup{%
+ \the\toks@
+ \noexpand\ltxkeys@twkfalse
+ \ltxkeys@ifcsemptyTF\key@vals{}{%
+ \noexpand\ltxkeys@setkeys[\key@pref]%
+ {\key@fam}{\expandcsonce\key@vals}%
+ }%
+ }%
+ \ltxkeys@decfalse
+}
+\new@def*\ltxkeys@badkeytypes{}
+% Robustly define keys of all types by one command:
+% 1. \ltxkeys@declarekeys[pref]{<fam>}[macropf]{<keytype>/<keyname>
+% /<dft>/<callback><parser> ...}.
+% Key default and macro can be absent.
+% 2. keytype = <ord> | <cmd> | <sty> | <sty*> | <bool> | <choice>.
+% 3. Choice keys must have their names associated with
+% their admissible values in the format <keyname.chclist>.
+% 4. * -> We're defining new keys (in the sense of \newcommand).
+%
+% Example:
+% \ltxkeys@declarekeys*[KV]{<fam>}[mp@]{%
+% cmd/keya/mm/\def\x##1{##1*#1*##1};
+% bool/keyb;
+% sty/keyc/xxx/\def\y##1{##1yyy#1};
+% sty*/keyd/mm/\def\y##1{##1#1}/cmd>keye>#1>\def\z####1{####1+##1+####1}
+% }
+% Notice the >...> for the dependant key attributes.
+%
+\robust@def*\ltxkeys@declarekeys{%
+ \begingroup
+ \endlinechar\m@one
+ \cpt@testst{\cpt@testpnopt\ltxkeys@declarekeys@a{}}%
+}
+\robust@def*\ltxkeys@declarekeys@a(#1){%
+ \cpt@testopt{\ltxkeys@declarekeys@b{#1}}{KV}%
+}
+\robust@def*\ltxkeys@declarekeys@b#1[#2]#3{%
+ \gletcs\ifltxkeys@keyst\ifcpt@st
+ \cpt@testopt{\expandafter\endgroup
+ \ltxkeys@declarekeys@c{#1}{#2}{#3}}{}%
+}
+\robust@def*\ltxkeys@declarekeys@c#1#2#3[#4]#5{%
+ \ltxkeys@makepf{#2}%
+ \ltxkeys@makehdr{#3}%
+ \ltxkeys@dectrue
+ \begingroup
+ \ltxkeys@trimspacesset{{#2}\key@pref,{#3}\key@fam,{#4}\macro@pref}%
+ \def\key@vals{}\toks@{}%
+ \def\ltxkeys@splita##1/##2/{%
+ \ifescapedTF{##1}{%
+ \ltxkeys@err{Key type can't be a macro: '\detokenize{##1}'}%
+ \ltxkeys@ehd
+ }{}%
+ \ltxkeys@trimspacesset{{##1}\key@type,{##2}\key@name}%
+ \xifstrcmpTF\key@type{choice}{%
+ \expandafter\ltxkeys@splitchoice\expandafter{\key@name}%
+ }{}%
+ \xifinsetTF{=}{\cptoxdetok\key@type}{%
+ \ltxkeys@err{The syntax of \noexpand\ltxkeys@definekeys may
+ \MsgBrk have been used for \string\ltxkeys@declarekeys.
+ \MsgBrk This may have come from \noexpand\ltxkeyscmd or
+ \MsgBrk \string\ltxkeysenv}\ltxkeys@ehd
+ }{}%
+ \ifx\key@type\@empty
+ \ltxkeys@err{Empty key type in \string\ltxkeys@declarekeys}
+ \ltxkeys@ehd
+ \fi
+ \ifx\key@name\@empty
+ \ltxkeys@err{Empty key name in \string\ltxkeys@declarekeys}%
+ \ltxkeys@ehd
+ \fi
+ \ltxkeys@ifrejname{%
+ \ltxkeys@err{Wrong use syntax for \string\ltxkeys@declarekeys}%
+ \ltxkeys@ehd
+ }%
+ \ifltxkeys@inkeycmd
+ \xifstrcmpFT\key@type{ord}{}{\def\key@type{cmd}}%
+ \fi
+ \expandafter\ltxkeys@findpointers\expandafter{\key@name}%
+ \let\key@name\ltxkeys@tkey
+ \ifx\key@type\key@name
+ \ltxkeys@err{Key type '\key@type' and key name '\key@name'
+ are identical}{Maybe you gave key type both in parenthesis
+ and in key list.}%
+ \fi
+ \ifltxkeys@keyst
+ \ifcsndefFT{\ltxkeys@hdr\key@name}{}{%
+ \ltxkeys@err{Key '\key@name' already defined in family
+ \MsgBrk '\iflacus#3\dolacus???\else#3\fi' with prefix
+ '\iflacus#2\dolacus???\else#2\fi'}\ltxkeys@ehd
+ }%
+ \fi
+ \ltxkeys@splitb.%
+ }%
+ \def\ltxkeys@splitb##1/##2/##3/##4\ltxkeys@nil{%
+ \edef\key@default{\expandcsonce{\@gobble##1}}%
+ \ltxkeys@ifcsemptyTF\key@default{%
+ \xifstrcmpTF\key@type{bool}{\def\key@default{true}}{}%
+ }{%
+ \ltxkeys@trimspacesincs\key@default
+ }%
+ \xifstrcmpTF\key@type{bool}{%
+ \ifx\key@default\ltxkeys@rej
+ \def\key@default{true}%
+ \ltxkeys@debug{!!}{Boolean key '\key@name'
+ has no default; 'true' used}%
+ \else
+ \ifcase0%
+ \ifx\key@default\ltxkeys@truetoks\else
+ \ifx\key@default\ltxkeys@falsetoks\else1\fi\fi\relax
+ \else
+ \ltxkeys@err{Invalid default value for boolean key
+ '\key@name'}\ltxkeys@ehd
+ \fi
+ \fi
+ }{}%
+ \edef\key@callback{\unexpanded{##2}}%
+ \ltxkeys@stripdotcode\key@callback
+ \expandafter\ltxkeys@striplaststar\key@type\@empty*\@empty
+ \ltxkeys@nil\key@type@aux
+ \xifinsetTF{,\key@type@aux,}{,sty,}{%
+ \ltxkeys@trimspaces{##3}\key@dependants
+ \ltxkeys@ifxTF\key@dependants\ltxkeys@rej{%
+ \def\key@dependants{}%
+ }{%
+ \expandafter\ltxkeys@declarekeys@e\expandafter{\key@dependants}%
+ }%
+ }{%
+ \xifinsetTF{,\key@type@aux,}{,bool,choice,}{%
+ \ltxkeys@trimspaces{##3}\key@bicallback
+ \ltxkeys@ifxTF\key@bicallback\ltxkeys@rej{%
+ \let\key@bicallback\ltxkeys@keyvalerr
+ }{}%
+ }{}%
+ }%
+ \cptexpandsecond\ltxkeys@accumkeyvals{%
+ {\ifx\key@default\ltxkeys@rej\else\expandcsonce\key@default\fi}%
+ {\ifx\key@callback\ltxkeys@rej\else\expandcsonce\key@callback\fi}%
+ }%
+ \def\key@callback@aux{%
+ \ifx\key@callback\ltxkeys@rej{}\else{\expandcsonce\key@callback}\fi
+ }%
+ \def\key@default@aux{%
+ \ifx\key@default\ltxkeys@rej\else[\expandcsonce\key@default]\fi
+ }%
+ \s@expandarg\ltxkeys@declarekeys@d\key@type
+ \def\reserved@a{ord}%
+ \edef\ltxkeys@tempa{%
+ [\key@pref]{\key@fam}%
+ \ifx\key@type\reserved@a\else\ifx\macro@pref\@empty\else
+ [\macro@pref]\fi\fi{\expandcsonce\key@name}%
+ }%
+ \cptpassexpanded{%
+ \toks@{\the\toks@
+ \cptmakecs{ltxkeys@twk\ifltxkeys@twk true\else false\fi}%
+ \ifcase\currmatch\relax
+ \ltxkeys@cmdkey\ltxkeys@tempa\key@default@aux\key@callback@aux
+ \or
+ \ltxkeys@boolkey+\ltxkeys@tempa\key@default@aux
+ \key@callback@aux{\expandcsonce\key@bicallback}%
+ \or
+ \ltxkeys@ordkey\ltxkeys@tempa\key@default@aux\key@callback@aux
+ \or
+ \ltxkeys@choicekey*+\ltxkeys@tempa
+ [\unexpanded{\userinput\order}]{\expandcsonce\ltxkeys@alt}%
+ \key@default@aux\key@callback@aux{\expandcsonce\key@bicallback}%
+ \or
+ \ltxkeys@stylekey\ltxkeys@tempa\key@default@aux
+ (\expandcsonce\key@dependants)\key@callback@aux
+ \or
+ \ltxkeys@stylekey*\ltxkeys@tempa\key@default@aux
+ (\expandcsonce\key@dependants)\key@callback@aux
+ \else
+ \cptgaddtolist\noexpand\ltxkeys@badkeytypes{\key@type}%
+ \fi
+ }%
+ }%
+ }%
+ \ifdefTF\ltxkeys@keyparser{%
+ \ltxkeys@stripallouterbracesincs\ltxkeys@keyparser
+ }{%
+ \def\ltxkeys@keyparser{;}%
+ }%
+ \ifblankTF{#1}{%
+ % No 'onekeytype':
+ \edef\ltxkeys@tempa{\unexpanded{#5}}%
+ }{%
+ \def\ltxkeys@tempa{}%
+ \def\ltxkeys@do##1{%
+ \edef\ltxkeys@tempa{%
+ \expandafter\csliststack\ltxkeys@keyparser
+ \ltxkeys@tempa#1/\unexpanded{##1}%
+ }%
+ }%
+ \cptexpandsecond{\ltxkeys@listparse0}{[\ltxkeys@keyparser]}{#5}%
+ }%
+ \def\ltxkeys@do##1{%
+ \ifblankTF{##1}{}{%
+ \ltxkeys@splita##1/^?^/^?^/^?^/^?^/\ltxkeys@nil
+ }%
+ }%
+ \cptexpandsecond{\ltxkeys@listparse0}
+ {[\ltxkeys@keyparser]{\expandcsonce\ltxkeys@tempa}}%
+ \cptexpandsecond\endgroup{%
+ \the\toks@
+ \noexpand\ltxkeys@twkfalse
+ \edef\noexpand\key@vals{\ox@unexpanded\key@vals}%
+ }%
+ \ifx\ltxkeys@badkeytypes\@empty\else
+ \cpt@err{Invalid key types '\ltxkeys@badkeytypes'}\ltxkeys@ehd
+ \fi
+ % Initialize keys:
+ \ltxkeys@ifcsemptyTF\key@vals{}{%
+ \cptexpandargonce{\ltxkeys@setkeys[#2]{#3}}\key@vals
+ }%
+ \ltxkeys@decfalse
+}
+\robust@def*\ltxkeys@declarekeys@d#1{%
+ \ltxkeys@findmatch
+ {#1}{cmd:0,bool:1,ord:2,choice:3,sty:4,syt*:5}{\def\currmatch{-1}}%
+}
+% \ltxkeys@declarekeys@e{<dependant key specs>}
+\robust@def*\ltxkeys@declarekeys@e#1{%
+ \ifblankTF{#1}{\def\key@dependants{}\cptgobbletorelax}{}%
+ \begingroup
+ \def\ltxkeys@splita##1>##2>{%
+ \def\key@type{##1}%
+ \edef\key@name{\unexpanded{##2}}%
+ \ltxkeys@splitb.%
+ }%
+ \def\ltxkeys@splitb##1>##2>##3\ltxkeys@nil{%
+ \edef\key@default{\expandcsonce{\@gobble##1}}%
+ \edef\key@callback{\unexpanded{##2}}%
+ \ltxkeys@stripdotcode\key@callback
+ \ltxkeys@ifrejname{%
+ \ltxkeys@err{Wrong syntax for dependants keys in
+ \MsgBrk\string\ltxkeys@declarekeys}\ltxkeys@ehd
+ }%
+ \edef\key@dependants{%
+ \expandafter\csliststack\ltxkeys@keyparser\key@dependants
+ \key@type/\expandcsonce\key@name
+ \ifx\key@default\ltxkeys@rej\else/\expandcsonce\key@default\fi
+ \ifx\key@callback\ltxkeys@rej\else/\expandcsonce\key@callback\fi
+ }%
+ }%
+ \def\key@dependants{}%
+ \def\ltxkeys@do##1{%
+ \ltxkeys@splita##1>^?^>^?^>^?^>\ltxkeys@nil
+ }%
+ \ltxkeys@listparse1[,]{#1}%
+ \postgroupdef\key@dependants\endgroup
+ \cpt@relax
+}
+\robust@def*\ltxkeys@savexfamilykeys{%
+ \begingroup
+ \endlinechar\m@one
+ \cpt@testst{\cpt@testltopt\ltxkeys@savexf@milykeys{}}%
+}
+\robust@def*\ltxkeys@savexf@milykeys<#1>{%
+ \cpt@testpnopt{\ltxkeys@savexf@milyk@ys{#1}}{}%
+}
+\robust@def*\ltxkeys@savexf@milyk@ys#1(#2)#3{%
+ \ifblankTF{#1}{%
+ \ltxkeys@err{Empty set-identifier for \string\xfamilykeys:
+ ||\detokenize{#3}||}\ltxkeys@ehd
+ }{}%
+ \ltxkeys@trimspaces{#1}\ltxkeys@tempb
+ \ifcsndefTF{xfamilykeys@id@\ltxkeys@tempb}{%
+ \ltxkeys@err{xfamilykeys identifier '\ltxkeys@tempb'
+ already in use}\ltxkeys@ehd
+ }{}%
+ \cpt@stchoose{cpt@st}{#3}\ltxkeys@tempa\ltxkeys@savexfamilykeys
+ \ifblankTF{#2}{}{%
+ \def\ltxkeys@do##1{%
+ \edef\ltxkeys@tempa{%
+ \expandafter\csliststack\ltxkeys@keyparser
+ \ltxkeys@tempa#2/\unexpanded{##1}%
+ }%
+ }%
+ \cptexpandsecond{\def\ltxkeys@tempa{}\ltxkeys@listparse1}%
+ {[\ltxkeys@keyparser]{\expandcsonce\ltxkeys@tempa}}%
+ }%
+ \cptexpandsecond{\endgroup\csn@edef}
+ {{xfamilykeys@id@\ltxkeys@tempb}{\ox@unexpanded\ltxkeys@tempa}}%
+}
+
+\robust@def*\ltxkeys@definexfamilykeys{%
+ \begingroup
+ \cpt@testst{\cpt@testltopt\ltxkeys@d@finexfamilykeys{}}%
+}
+\robust@def*\ltxkeys@d@finexfamilykeys<#1>{%
+ \edef\defwith{\ltxkeys@declarekeys\ifcpt@st*\fi}%
+ \ifblankTF{#1}{%
+ \ltxkeys@err{Invalid empty xfamilykeys identifier
+ \MsgBrk in \string\ltxkeys@definexfamilykeys}\ltxkeys@ehd
+ }{}%
+ \ltxkeys@trimspaces{#1}\ltxkeys@tempa
+ \ifcsndefTF{xfamilykeys@id@\ltxkeys@tempa}{%
+ \expandafter\cpt@testopt\expandafter{\expandafter
+ \ltxkeys@d@fin@xfamilykeys\expandafter{\ltxkeys@tempa}}{KV}%
+ }{%
+ \ltxkeys@err{Unknown xfamilykeys identifier '\ltxkeys@tempa'
+ \MsgBrk in \string\ltxkeys@definexfamilykeys}\ltxkeys@ehd
+ }%
+}
+\robust@def*\ltxkeys@d@fin@xfamilykeys#1[#2]#3{%
+ \cpt@testopt{\ltxkeys@d@fin@xf@milykeys{#1}{#2}{#3}}{}%
+}
+\robust@def*\ltxkeys@d@fin@xf@milykeys#1#2#3[#4]#5{%
+ \def\ltxkeys@na{#5}%
+ \def\ltxkeys@splita##1/##2/{%
+ \ltxkeys@trimspacesset{{##1}\key@type,{##2}\key@name@aux}%
+ \xifstrcmpTF\key@type{choice}{%
+ \expandafter\ltxkeys@splitchoice\expandafter{\key@name@aux}%
+ }{%
+ \let\key@name\key@name@aux
+ }%
+ \ltxkeys@splitb.%
+ }%
+ \def\ltxkeys@splitb##1/##2/##3/##4\ltxkeys@nil{%
+ \edef\key@default{\expandcsonce{\@gobble##1}}%
+ \edef\key@callback{\unexpanded{##2}}%
+ \edef\key@dependants{\unexpanded{##3}}%
+ \oifinset@sp@TF,\key@name\ltxkeys@na{}{%
+ \let\do\expandcsonce
+ \edef\ltxkeys@tempa{%
+ \expandafter\csliststack\ltxkeys@keyparser
+ \ltxkeys@tempa\key@type/\do\key@name@aux
+ \ifx\key@default\ltxkeys@rej\else/\do\key@default\fi
+ \ifx\key@callback\ltxkeys@rej\else/\do\key@callback\fi
+ \ifx\key@dependants\ltxkeys@rej\else/\do\key@dependants\fi
+ }%
+ }%
+ }%
+ \def\ltxkeys@tempa{}%
+ \def\ltxkeys@do##1{%
+ \ltxkeys@splita##1/^?^/^?^/^?^/^?^/\ltxkeys@nil
+ }%
+ \cptexpandsecond{\ltxkeys@listparse1}
+ {[\ltxkeys@keyparser]{\expandcsnonce{xfamilykeys@id@#1}}}%
+ \cptexpandsecond\endgroup
+ {\defwith[#2]{#3}[#4]{\expandcsonce\ltxkeys@tempa}}%
+}
+
+\robust@def*\ltxkeys@presetkeys{%
+ \ltxkeys@testcl{\ltxkeys@testopt@g{ppsetkeys}{pre}}%
+}
+\newletcs\ltxkeys@addpresetkeys\ltxkeys@presetkeys
+\robust@def*\ltxkeys@removepresetkeys{%
+ \ltxkeys@testcl{\ltxkeys@testopt@g{removeppsetkeys}{pre}}%
+}
+\robust@def*\ltxkeys@undefpresetkeys{%
+ \ltxkeys@testcl{\ltxkeys@testopt@g{undefppsetkeys}{pre}}%
+}
+\robust@def*\ltxkeys@postsetkeys{%
+ \ltxkeys@testcl{\ltxkeys@testopt@g{ppsetkeys}{post}}%
+}
+\newletcs\ltxkeys@addpostsetkeys\ltxkeys@postsetkeys
+\robust@def*\ltxkeys@removepostsetkeys{%
+ \ltxkeys@testcl{\ltxkeys@testopt@g{removeppsetkeys}{post}}%
+}
+\robust@def*\ltxkeys@undefpostsetkeys{%
+ \ltxkeys@testcl{\ltxkeys@testopt@g{undefppsetkeys}{post}}%
+}
+\robust@def*\ltxkeys@ppsetkeys#1#2{%
+ \def\ltxkeys@rsvda{}%
+ \def\ltxkeys@rsvdb{}%
+ \def\ltxkeys@do##1{%
+ \ltxkeys@splitkeyval##1\ltxkeys@nil\ltxkeys@tkey\ltxkeys@tval
+ \ifcsndefFT{\ltxkeys@hdr\ltxkeys@tkey}{%
+ \ltxkeys@err{Key '\ltxkeys@currtriple' is undefined.}%
+ \ltxkeys@ehd
+ }{%
+ \ifcsndefTF{\ltxkeys@hdr#1setkeys@alreadysaved}{}{%
+ \csn@def{\ltxkeys@hdr#1setkeys@alreadysaved}{}%
+ }%
+ % You can't enter the same key twice in either
+ % preset or post-set lists in the same family and prefix:
+ \xifinsetTF{,\cptoxdetok\ltxkeys@tkey,}%
+ {,\cptsxdetok{\usename{\ltxkeys@hdr#1setkeys@alreadysaved},}}{%
+ \ltxkeys@err{Double entry for key '\ltxkeys@currtriple' in\MsgBrk
+ #1set key list}\ltxkeys@ehd
+ }{%
+ \edef\ltxkeys@rsvda{\csliststack,\ltxkeys@rsvda
+ \ltxkeys@tkey\ltxkeys@ifcsemptyTF\ltxkeys@tval{}%
+ {=\expandcsonce\ltxkeys@tval}}%
+ \edef\ltxkeys@rsvdb{\csliststack,\ltxkeys@rsvdb
+ \expandcsonce\ltxkeys@tkey}%
+ }%
+ }%
+ }%
+ \ltxkeys@listparse3{#2}%
+ % '...@alreadysaved' saves key names irrespective
+ % of value, for testing if a preset key is being saved twice:
+ \ltxkeys@ifcsemptyTF\ltxkeys@rsvda{}{%
+ \ifcsndefTF{\ltxkeys@hdr#1setkeys}{%
+ \cptpassexpanded{%
+ \cptfiltermergekv\noexpandcsn{\ltxkeys@hdr#1setkeys}%
+ {\expandcsonce\ltxkeys@rsvda}\noexpand\nofilter
+ \cptfiltermergecsv\noexpandcsn{\ltxkeys@hdr#1setkeys@alreadysaved}%
+ {\ltxkeys@rsvdb}\noexpand\nofilter
+ }%
+ }{%
+ \csn@edef{\ltxkeys@hdr#1setkeys}{\expandcsonce\ltxkeys@rsvda}%
+ \csn@edef{\ltxkeys@hdr#1setkeys@alreadysaved}%
+ {\expandcsonce\ltxkeys@rsvdb}%
+ }%
+ \ifltxkeys@cl
+ \globalizecsn{\ltxkeys@hdr#1setkeys}%
+ \globalizecsn{\ltxkeys@hdr#1setkeys@alreadysaved}%
+ \fi
+ }%
+}
+\robust@def*\ltxkeys@removeppsetkeys#1#2{%
+ \ifcsndefFT{\ltxkeys@hdr#1setkeys}{%
+ \ltxkeys@err{No #1set keys defined for prefix '\ltxkeys@ttpref'
+ and family '\ltxkeys@tfam'}\ltxkeys@ehd
+ }{%
+ \def\ltxkeys@rsvda{}\def\ltxkeys@rsvdb{}%
+ \def\ltxkeys@do##1{%
+ \ltxkeys@splitkeyval##1=\ltxkeys@nil\ltxkeys@tkey\ltxkeys@tval
+ \ifcsndefFT{\ltxkeys@hdr\ltxkeys@tkey}{%
+ \ltxkeys@err{Key '\ltxkeys@currtriple' is undefined}%
+ \ltxkeys@ehd
+ }{%
+ \xifinsetTF{,\cptoxdetok\ltxkeys@tkey=\cptoxdetok\ltxkeys@tval,}%
+ {,\cptsxdetok{\usename{\ltxkeys@hdr#1setkeys}},}{%
+ \edef\ltxkeys@rsvda{\csliststack,\ltxkeys@rsvda
+ \ltxkeys@tkey\ltxkeys@ifcsemptyTF\ltxkeys@tval{}%
+ {=\expandcsonce\ltxkeys@tval}}%
+ \edef\ltxkeys@rsvdb{\csliststack,\ltxkeys@rsvdb
+ \expandcsonce\ltxkeys@tkey}%
+ }{%
+ \ltxkeys@err{Key '\ltxkeys@currtriple' not a #1set key}%
+ \ltxkeys@ehd
+ }%
+ }%
+ }%
+ \ltxkeys@listparse3{#2}%
+ \ltxkeys@ifcsemptyTF\ltxkeys@rsvda{}{%
+ \cptpassexpanded{%
+ \cptfilterremovekv\noexpandcsn{\ltxkeys@hdr#1setkeys}%
+ {\expandcsonce\ltxkeys@rsvda}\noexpand\nofilter
+ \cptfilterremovecsv\noexpandcsn{\ltxkeys@hdr#1setkeys@alreadysaved}%
+ {\ltxkeys@rsvdb}\noexpand\nofilter
+ }%
+ \ifltxkeys@cl
+ \globalizecsn{\ltxkeys@hdr#1setkeys}%
+ \globalizecsn{\ltxkeys@hdr#1setkeys@alreadysaved}%
+ \fi
+ }%
+ }%
+}
+\robust@def*\ltxkeys@undefppsetkeys#1{%
+ \ifcsndefFT{\ltxkeys@hdr#1setkeys}{%
+ \ltxkeys@err{No #1set keys defined for prefix '\ltxkeys@ttpref'
+ and family '\ltxkeys@tfam'}\ltxkeys@ehd
+ }{%
+ \usename{\ifltxkeys@cl g\fi undefcsn}{\ltxkeys@hdr#1setkeys}%
+ \usename{\ifltxkeys@cl g\fi undefcsn}%
+ {\ltxkeys@hdr#1setkeys@alreadysaved}%
+ }%
+}
+% Set a main key after setting its twin/alias. This is NOT
+% related to dependant or style keys:
+\robust@def*\ltxkeys@setaliaskey#1{%
+ \ltxkeys@commanormalize{#1}\ltxkeys@tempa
+ \xifinsetTF{,}{\cptoxdetok\ltxkeys@tempa}{%
+ \ltxkeys@err{\noexpand\ltxkeys@setaliaskey doesn't
+ accept key list}\ltxkeys@ehd
+ }{%
+ \cptexpandarg\cpt@testopt{\ltxkeys@s@taliaskey\ltxkeys@tempa}{}%
+ }%
+}
+\newletcs\setaliaskey\ltxkeys@setaliaskey
+\robust@def*\ltxkeys@s@taliaskey#1[#2]{%
+ \begingroup
+ \let\x\ltxkeys@tkey
+ \edef\y{\expandcstwice{\csname\ltxkeys@hdr#1\endcsname{}}}%
+ \cptexpandsecond{\endgroup\ltxkeys@ifinlistTF(1)}{%
+ {\ltxkeys@setaliaskey{\x},\setaliaskey{\x}}%
+ {\expandcsonce\y}%
+ }{%
+ \ltxkeys@err{\noexpand\ltxkeys@setaliaskey
+ or \noexpand\setaliaskey nested}\ltxkeys@ehd
+ }{}%
+ \cptexpandsecond\ltxkeys@setkeys{%
+ [\ltxkeys@ttpref]{\ltxkeys@tfam}{%
+ #1=\ifblankTF{#2}{\expandcsonce\ltxkeys@tval}{\unexpanded{#2}}%
+ }%
+ }%
+}
+\robust@def*\ltxkeys@splitchoice#1{%
+ \begingroup
+ \def\ltxkeys@tempa##1.##2##3\ltxkeys@nil{\endgroup
+ \ltxkeys@trimspaces{##1}\key@name
+ \ifstrcmpTF{##2}{.}{%
+ \ltxkeys@err{Invalid alternate value list for key '#1'}
+ \ltxkeys@ehd
+ }{%
+ \ifmacroTF{##2}{%
+ \edef\ltxkeys@alt{\expandcsonce{##2}}%
+ }{%
+ \edef\ltxkeys@alt{\unexpanded{##2}}%
+ }%
+ \ltxkeys@trimspacesincs\ltxkeys@alt
+ }%
+ }%
+ \ltxkeys@tempa#1..\ltxkeys@nil
+}
+% #1: key prefix
+% #2: key family
+\robust@def*\ltxkeys@setinitialkeyvals#1#2{%
+ \ltxkeys@initrue
+ \ifcsndefFT{#1@#2@initialkeyvals}{}{%
+ \ifcsnnullTF{#1@#2@initialkeyvals}{}{%
+ \cptpassexpanded{%
+ \noexpand\ltxkeys@setkeys[#1]{#2}%
+ {\expandcsnonce{#1@#2@initialkeyvals}}%
+ }%
+ }%
+ }%
+ \ltxkeys@inifalse
+}
+
+% \ltxkeys@initializekeys[<prefixes>]{<fams>}[<na>]
+% 1. Preset all keys defined in families <fams>;
+% ignore keys listed in <na>. <na> comes from key-val
+% pairs that the user wants to use as current values
+% of keys. Their keys are to be ignored when setting
+% up defaults.
+% 2. The key-val list to be preset comes from the macros
+% \<pref>@<fam>@initialkeyvals:
+\robust@def*\ltxkeys@initializekeys{%
+ \cpt@testopt\ltxkeys@in@tializekeys{KV}%
+}
+\robust@def*\ltxkeys@in@tializekeys[#1]#2{%
+ \cpt@testopt{\ltxkeys@in@ti@lizekeys{#1}{#2}}{}%
+}
+\robust@def*\ltxkeys@in@ti@lizekeys#1#2[#3]{%
+ \ltxkeys@initrue
+ \begingroup
+ \def\ltxkeys@resa{}%
+ \def\ltxkeys@do##1{%
+ \ltxkeys@makepf{##1}%
+ \def\ltxkeys@do####1{%
+ \ltxkeys@makehdr{####1}%
+ \letcstocsn\ltxkeys@tempc{\ltxkeys@hdr initialkeyvals}%
+ \ifdefTF\ltxkeys@tempc{%
+ \ltxkeys@remdispox\ltxkeys@tempc
+ \cptexpandargonce{\cptfiltermergecsv[,]\ltxkeys@resa}
+ \ltxkeys@tempc\nofilter
+ }{}%
+ }%
+ \ltxkeys@listparse1{#2}%
+ }%
+ \ltxkeys@listparse1{#1}%
+ \ltxkeys@getkeynames{#3}%
+ \cptexpandsecond{\endgroup\ltxkeys@setkeys*+[#1]{#2}}%
+ {[\ltxkeys@keynames]{\expandcsonce\ltxkeys@resa}}%
+ \ltxkeys@inifalse
+}
+% Remove disabled and pox keys:
+\robust@def*\ltxkeys@remdispox#1{%
+ \begingroup
+ \letcstocsn\ltxkeys@tempd{\ltxkeys@hdr disabledkeys}%
+ \ifdefTF\ltxkeys@tempd{}{\def\ltxkeys@tempd{}}%
+ \letcstocsn\ltxkeys@tempe{\ltxkeys@hdr poxkeys}%
+ \ifdefTF\ltxkeys@tempe{}{\def\ltxkeys@tempe{}}%
+ \ltxkeys@ifcsemptyTF\ltxkeys@tempd{%
+ \ltxkeys@ifcsemptyTF\ltxkeys@tempe\cptgobbletorelax\relax
+ }{}%
+ \edef\ltxkeys@tempd
+ {\expandcsonce\ltxkeys@tempd,\expandcsonce\ltxkeys@tempe}%
+ \def\ltxkeys@do##1{%
+ \ltxkeys@getkeyname##1=\ltxkeys@nil\ltxkeys@tkey
+ \xifinsetTF{,\ltxkeys@tkey,}{,\expandcsonce\ltxkeys@tempd,}{}{%
+ \edef#1{\csliststack,#1\unexpanded{##1}}%
+ }%
+ }%
+ \cptexpandargonce{\def#1{}\ltxkeys@listparse3}{#1}%
+ \cpt@relax
+ \postgroupdef#1\endgroup
+}
+% \ltxkeys@launchkeys*+[<prefix>]{<fams>}{<curr>}
+% 1. First preset all family keys before setting keys in <curr>.
+% 2. <curr> are the key-vals to be set in the current run; they
+% will be ignored when initializing the keys of families <fams>:
+\robust@def*\ltxkeys@launchkeys{%
+ \ltxkeys@teststpl{\cpt@testopt\ltxkeys@l@unchkeys{KV}}%
+}
+\robust@def*\ltxkeys@l@unchkeys[#1]#2#3{%
+ \edef\ltxkeys@cmdpf{\ifltxkeys@st*\fi\ifltxkeys@pl+\fi}%
+ \ltxkeys@commanormalizeset{{#1}\ltxkeys@prefs,{#2}\ltxkeys@fams}%
+ \xifinsetTF{,}\ltxkeys@fams{%
+ \ifltxkeys@pl\else
+ \ltxkeys@err{Multiple key families: you need + prefix
+ \MsgBrk for command \string\ltxkeys@launchkeys}\ltxkeys@ehd
+ \fi
+ }{}%
+ \cptexpandsecond\ltxkeys@in@ti@lizekeys
+ {{\ltxkeys@prefs}{\ltxkeys@fams}}[#3]%
+ \ifblankTF{#3}\cptgobbletorelax\relax
+ \begingroup
+ \def\ltxkeys@resa{}%
+ \def\ltxkeys@do##1{%
+ \ltxkeys@makepf{##1}%
+ \def\ltxkeys@do####1{%
+ \ltxkeys@makehdr{####1}%
+ \edef\ltxkeys@tempc{\unexpanded{#3}}%
+ \ltxkeys@remdispox\ltxkeys@tempc
+ \cptexpandargonce{\cptfiltermergecsv[,]\ltxkeys@resa}
+ \ltxkeys@tempc\nofilter
+ }%
+ \ltxkeys@listparse*0\ltxkeys@fams
+ }%
+ \ltxkeys@listparse*0\ltxkeys@prefs
+ \cptexpandargonce{\endgroup\expandafter\undefcs\expandafter
+ \ltxkeys@cmdpf\expandafter\ltxkeys@setkeys
+ \ltxkeys@cmdpf[#1]{#2}}\ltxkeys@resa
+ \cpt@relax
+}
+\robust@def*\ltxkeys@nonlaunchkeys{%
+ \cpt@teststopt{\ltxkeys@nonl@unchkeys}{KV}%
+}
+\newletcs\ltxkeys@noninitializekeys\ltxkeys@nonlaunchkeys
+\robust@def*\ltxkeys@nonl@unchkeys[#1]#2#3{%
+ \ifboolTF{cpt@st}{%
+ \AtBeginDocument{\ltxkeys@nonl@un@hkeys{#1}{#2}{#3}}%
+ }{%
+ \ltxkeys@nonl@un@hkeys{#1}{#2}{#3}%
+ }%
+}
+\robust@def*\ltxkeys@nonl@un@hkeys#1#2#3{%
+ \ltxkeys@commanormalizeset
+ {{#1}\ltxkeys@prefs,{#2}\ltxkeys@fams,{#3}\ltxkeys@keys}%
+ \def\ltxkeys@do##1{%
+ \ltxkeys@makepf{##1}%
+ \def\ltxkeys@do####1{%
+ \ltxkeys@makehdr{####1}%
+ \ltxkeys@nonl@un@hk@ys
+ }%
+ \ltxkeys@listparse*0\ltxkeys@fams
+ }%
+ \ltxkeys@listparse*0\ltxkeys@prefs
+}
+\robust@def*\ltxkeys@nonl@un@hk@ys{%
+ \ifcsndefTF{\ltxkeys@hdr poxkeys}{}{%
+ \csn@def{\ltxkeys@hdr poxkeys}{}%
+ }%
+ \letcstocsn\ltxkeys@tempc{\ltxkeys@hdr poxkeys}%
+ \def\ltxkeys@do##1{%
+ \ifcsndefTF{\ltxkeys@hdr##1}{%
+ \xifinsetTF{,##1,}{,\expandcsonce\ltxkeys@tempc,}{}{%
+ \edef\ltxkeys@tempc{%
+ \csliststack,\ltxkeys@tempc\unexpanded{##1}%
+ }%
+ }%
+ }{}%
+ }%
+ \ltxkeys@listparse*0\ltxkeys@keys
+ \letcsntocs{\ltxkeys@hdr poxkeys}\ltxkeys@tempc
+}
+\robust@def*\ltxkeys@setkeys{%
+ \ltxkeys@rmfalse
+ \ltxkeys@teststpl{\ltxkeys@testopt@c\ltxkeys@setkeys@a}%
+}
+% Don't call \ltxkeysusekeys \ltxkeyssetkeys, since
+% \ltxkeyssetkeys is used in mkii.
+\newletcs\ltxkeysusekeys\ltxkeys@setkeys
+\newletcs\ltxkeys@setkey\ltxkeys@setkeys
+\robust@def*\ltxkeys@setrmkeys{%
+ \ltxkeys@rmtrue
+ \ltxkeys@teststpl{\ltxkeys@testopt@c\ltxkeys@setrmkeys@a}%
+}
+\robust@def*\ltxkeys@setrmkeys@a[#1]{%
+ \ltxkeys@debug{==}{Setting 'remaining' keys now}%
+ \cptexpandarg{\ltxkeys@setkeys@a[#1]}
+ {\expandcsnonce{\ltxkeys@hdr rmkeys}}%
+}
+\robust@def*\ltxkeys@setkeys@a[#1]#2{%
+ \begingroup
+ \def\x{\ltxkeys@nil}%
+ \xifinsetTF{\x\detokenize{#2}\x}
+ {\x.\x,\x;\x:\x+\x-\x=\x*\x^\x_\x/\x|\x[\x(\x)\x]\x}{%
+ \ltxkeys@err{Invalid key list '#2': Something is wrong}
+ \ltxkeys@ehd
+ }{}%
+ \endgroup
+ \ifcsndefTF{\ltxkeys@hdr executedkeys}{}{%
+ \csn@def{\ltxkeys@hdr executedkeys}{}%
+ }%
+ \ifnum\ltxkeys@keydepth=\z@pt
+ \csn@def{\ltxkeys@hdr rmkeys}{}%
+ \def\ltxkeys@undefinedkeys{}%
+ \fi
+ \ltxkeys@getkeynames{#2}%
+ \let\ltxkeys@naa\ltxkeys@keynames
+ \ifblankTF{#1}{}{%
+ \edef\ltxkeys@naa{\csliststack,\ltxkeys@naa\unexpanded{#1}}%
+ }%
+ \ifboolTF{ltxkeys@tracingkeys}{%
+ \ltxkeys@getbasechars*[30]\ltxkeys@keynames\ltxkeys@tempa
+ \edef\ltxkeys@tempb{\ifnum\ltxkeys@charcount>30\string\ETC\fi}%
+ \wlog{\@spaces(on level \the\ltxkeys@keydepth)}%
+ \ltxkeys@debug{==}{Setting keys: '\ltxkeys@tempa\ltxkeys@tempb'}%
+ }{}%
+ \ltxkeys@usepresetkeys{pre}%
+ \ltxkeys@setkeys@b{#1}{#2}%
+ \ltxkeys@usepresetkeys{post}%
+ \ifnumcmpTF\ltxkeys@keydepth=\z@pt{%
+ \ltxkeys@debug{==}{Setting keys, returned to level 0}%
+ \ltxkeys@ifcsemptyTF\ltxkeys@undefinedkeys{%
+ \ltxkeys@debug{==}{No undefined keys in this run}%
+ }{%
+ \ltxkeys@debug{==}{There're undefined keys; logging them}%
+ \ltxkeys@logunknownkeys
+ }%
+ }{}%
+ \ifltxkeys@exop
+ \ltxkeys@exopfalse
+ \ltxkeys@debug{==}{Ended executing options}%
+ \fi
+ \ltxkeys@pxopfalse
+}
+\robust@def*\ltxkeys@usepresetkeys#1{%
+ \ltxkeys@presettrue
+ \begingroup
+ \toks@{}%
+ \ltxkeys@debug{==}{Looking for #1-set keys}%
+ \def\ltxkeys@do##1{%
+ \ltxkeys@makepf{##1}%
+ \def\ltxkeys@do####1{%
+ \ltxkeys@makehdr{####1}%
+ \ifcsndefFT{\ltxkeys@hdr#1setkeys}{}{%
+ \cptexpanded{\toks@{\the\toks@\relax\ltxkeys@setkeys@b
+ {\expandcsonce\ltxkeys@naa}
+ {\expandcsnonce{\ltxkeys@hdr#1setkeys}}}}%
+ }%
+ }%
+ \ltxkeys@listparse*0\ltxkeys@fams
+ }%
+ \ltxkeys@listparse*0\ltxkeys@prefs
+ \oifblankTF{\the\toks@}{%
+ \endgroup
+ \ltxkeys@debug{==}{No #1-set keys found}%
+ }{%
+ \ltxkeys@debug{==}{P\@gobble#1-set keys found. Setting them now}%
+ \expandafter\endgroup\the\toks@
+ \ltxkeys@debug{++}{Finished setting #1-set keys}%
+ }%
+ \ltxkeys@presetfalse
+}
+\robust@def*\ltxkeys@setkeys@b#1#2{%
+ \ifblankTF{#1}{%
+ \def\ltxkeys@nakeys{}%
+ }{%
+ \ltxkeys@commanormalize{#1}\ltxkeys@nakeys
+ }%
+ \def\ltxkeys@do##1{%
+ \edef\CurrentKeyval{\unexpanded{##1}}%
+ \ltxkeys@getkeyvalue##1=\ltxkeys@nil\ltxkeys@tval
+ \ltxkeys@setkeys@c##1=\ltxkeys@nil
+ }%
+ \ltxkeys@listparse3{#2}%
+}
+\robust@def*\ltxkeys@setkeys@c#1=#2\ltxkeys@nil{%
+ \ifinsetTF{\needvalue}{#1}{%
+ \ltxkeys@err{\noexpand\needvalue pointer not allowed
+ \MsgBrk when setting keys}\ltxkeys@ehd
+ }{}%
+ \ltxkeys@findp@inters\savevalue{#1}\ltxkeys@tkey{%
+ \ltxkeys@svtrue
+ }{%
+ \ltxkeys@svfalse
+ }%
+ \let\CurrentKey\ltxkeys@tkey
+ \ltxkeys@ifcsemptyTF\ltxkeys@tkey{%
+ \ifltxkeys@novalue\else
+ \ltxkeys@err{No key specified for value
+ '\expandcsonce\ltxkeys@tval'
+ \MsgBrk in families '\ltxkeys@fams'}\ltxkeys@ehd
+ \fi
+ }{%
+ \oifinset@sp@TF,\ltxkeys@tkey\ltxkeys@nakeys{}{%
+ \ltxkeys@setkeys@d
+ }%
+ }%
+}
+\robust@def*\ltxkeys@setkeys@d{%
+ \ltxkeys@kffalse
+ \ifboolTF{ltxkeys@preset}{%
+ \ltxkeys@setkeys@e
+ }{%
+ \ifboolTF{ltxkeys@pl}{%
+ \def\ltxkeys@do##1{%
+ \def\CurrentPref{##1}%
+ \ltxkeys@makepf{##1}%
+ \def\ltxkeys@do####1{%
+ \def\ltxkeys@tfam{####1}%
+ \let\CurrentFam\ltxkeys@tfam
+ \ltxkeys@makehdr\ltxkeys@tfam
+ \ltxkeys@setkeys@e
+ }%
+ \ltxkeys@listparse*0\ltxkeys@fams
+ }%
+ \ltxkeys@listparse*0\ltxkeys@prefs
+ }{%
+ \def\ltxkeys@do##1{%
+ \def\CurrentPref{##1}%
+ \ltxkeys@makepf{##1}%
+ \def\ltxkeys@do####1{%
+ \def\ltxkeys@tfam{####1}%
+ \let\CurrentFam\ltxkeys@tfam
+ \ltxkeys@makehdr\ltxkeys@tfam
+ \ltxkeys@setkeys@e
+ \ifltxkeys@kf\loopbreak\fi
+ }%
+ \ltxkeys@listparse*0\ltxkeys@fams
+ \ifltxkeys@kf\loopbreak\fi
+ }%
+ \ltxkeys@listparse*0\ltxkeys@prefs
+ }%
+ }%
+ \ifboolTF{ltxkeys@kf}{%
+ \ifdefboolTF{ltxkeys@pxop}{%
+ \ltxkeys@ifxTF\ltxkeys@testname\ltxkeys@documentclass{%
+ \cpt@removecurroption\CurrentKeyval
+ \ltxkeys@debug{==}{Key \ltxkeys@currtriple, removed from
+ \string\@unusedoptionlist}%
+ }{}%
+ }{}%
+ }{%
+ \ifdefboolTF{ltxkeys@pxop}{%
+ \ifcsndefTF{\ltxkeys@hdr default@ds@opt}{%
+ \begingroup
+ \let\xp\expandcsonce
+ \cptexpandsecond{%
+ \endgroup\usename{\ltxkeys@hdr default@ds@opt}%
+ }{%
+ {\xp\ltxkeys@ttpref}{\xp\ltxkeys@tfam}%
+ {\xp\ltxkeys@tkey}{\xp\ltxkeys@tval}%
+ }%
+ }{%
+ \ltxkeys@ifxTF\@currext\@clsextension
+ \relax\ltxkeys@unknownoptionerror
+ }%
+ }{%
+ \ifboolTF{ltxkeys@st}{%
+ \ifltxkeys@tracingkeys
+ \ltxkeys@getinnovalue
+ \ltxkeys@debug{==}{Undefined key \ltxkeys@currtriple,
+ \InnocentVal, saved in \cptmakecs{\ltxkeys@hdr rmkeys}}%
+ \fi
+ \cptexpandargonce{\aftercsname{\cptfiltermergekv[,]}%
+ {\ltxkeys@hdr rmkeys}}\CurrentKeyval\nofilter
+ }{%
+ \ifcsndefTF{\ltxkeys@hdr default@ds@key}{%
+ \begingroup
+ \let\xp\expandcsonce
+ \cptexpandsecond{%
+ \endgroup\usename{\ltxkeys@hdr default@ds@key}%
+ }{%
+ {\xp\ltxkeys@ttpref}{\xp\ltxkeys@tfam}%
+ {\xp\ltxkeys@tkey}{\xp\ltxkeys@tval}%
+ }%
+ }{%
+ \ltxkeys@debug{==}{Key \ltxkeys@currtriple, saved as undefined}%
+ \ltxkeys@getinnovalue
+ \cptexpandarg{\cptfiltermergecsv[;]\ltxkeys@undefinedkeys}{%
+ \ltxkeys@ttpref,\ltxkeys@tfam,\ltxkeys@tkey,\InnocentVal
+ }\nofilter
+ }%
+ }%
+ }%
+ }%
+}
+\robust@def*\ltxkeys@setkeys@e{%
+ \ifboolTF{ltxkeys@tracingkeys}{%
+ \ltxkeys@getinnovaluenopad
+ \ltxkeys@debug{==}{Setting\@space\ifltxkeys@preset
+ preset\@space\fi key: \ltxkeys@currtriple,\InnocentVal}%
+ }{}%
+ \ifcsndefFT{\ltxkeys@hdr\ltxkeys@tkey}{%
+ \relax
+ \ltxkeys@debug{!!}{%
+ \ifltxkeys@preset Preset key\else Key\fi\@space
+ is not defined: \ltxkeys@currtriple,\InnocentVal
+ }%
+ }{%
+ \ltxkeys@kftrue
+ \ifltxkeys@tracingkeys
+ \ltxkeys@debug{++}{\ifltxkeys@preset Preset key\else Key\fi
+ \@space'\ltxkeys@tkey' is defined}%
+ \ifltxkeys@dec\else\ifltxkeys@ini\else
+ \edef\reserved@e{\ltxkeys@currtriple,\InnocentVal}%
+ \@onelevel@sanitize\reserved@e
+ \letcstocsn\reserved@f{\ltxkeys@hdr executedkeys}%
+ \oifinset@sp@TF*\reserved@e\reserved@f{%
+ \ltxkeys@debug{!!}{Key '\ltxkeys@currtriple' multiply
+ set with same value}%
+ }{%
+ \csn@edef{\ltxkeys@hdr executedkeys}{%
+ \csliststack*\reserved@f\reserved@e
+ }%
+ }%
+ \fi\fi
+ \fi
+ \ifboolTF{ltxkeys@pxop}{%
+ \ltxkeys@testoptionkey{non}%
+ }{%
+ \ifboolTF{ltxkeys@exop}{}{\ltxkeys@testoptionkey{}}%
+ }%
+ \ifboolTF{ltxkeys@sv}{}{%
+ \ifcsndefTF{\ltxkeys@hdr savevaluekeys}{\ltxkeys@testsavevaluekey}{}%
+ }%
+ \ifboolTF{ltxkeys@sv}{%
+ \ltxkeys@addtosavedvalue\ltxkeys@tkey\ltxkeys@tval
+ }{}%
+ \ifboolTF{ltxkeys@novalue}{%
+ \ifcsndefTF{\ltxkeys@hdr needvaluekeys}{\ltxkeys@testneedvaluekey}{}%
+ \ifcsndefTF{\ltxkeys@hdr\ltxkeys@tkey @default}{%
+ \ltxkeys@debug{==}{\ifltxkeys@preset Preset key\else Key\fi\@space
+ '\ltxkeys@tkey', no user-value, default found}%
+ \cptsevenxp\ltxkeys@usedefault
+ \usename{\ltxkeys@hdr\ltxkeys@tkey @default}\ltxkeys@nil
+ }{%
+ \ltxkeys@err{No value specified for key '\ltxkeys@tkey'}
+ \ltxkeys@ehd
+ }%
+ }{%
+ \s@expandarg\ltxkeys@replacepointers\ltxkeys@tval
+ \ltxkeys@debug{==}{%
+ \ifltxkeys@preset Preset key\else Key\fi\@space
+ '\ltxkeys@tkey', macro being executed now%
+ }%
+ \cpt@pushstate\ltxkeys@setkeys\ltxkeys@state\ltxkeys@keydepth
+ \csname\ltxkeys@hdr\ltxkeys@tkey\expandafter
+ \endcsname\expandafter{\ltxkeys@tval}\relax
+ \cpt@popstate\ltxkeys@setkeys\ltxkeys@keydepth
+ \ltxkeys@debug{++}{%
+ \ifltxkeys@preset Preset key\else Key\fi\@space
+ '\ltxkeys@tkey', macro executed%
+ }%
+ }%
+ }%
+}
+\robust@def*\ltxkeys@usedefault#1#2\ltxkeys@nil{%
+ \ltxkeys@debug{==}{Key '\ltxkeys@tkey', extracting default value}%
+ \def\reserved@a##1##2\ltxkeys@nil{%
+ \edef\reserved@a{\cptgobblescape{##1}}%
+ \edef\reserved@b{%
+ \detokenize\expandafter\expandafter\expandafter
+ {\expandafter\ltxkeys@hdr\ltxkeys@tkey}%
+ }%
+ \ltxkeys@ifxTF\reserved@a\reserved@b{%
+ \ltxkeys@debug{==}{Key '\ltxkeys@tkey' has standard macro}%
+ \begintoksgroup
+ \csn@def{\ltxkeys@hdr\ltxkeys@tkey}####1{%
+ \toks@{\edef\ltxkeys@tval{\unexpanded{####1}}}%
+ }%
+ \usename{\ltxkeys@hdr\ltxkeys@tkey @default}%
+ \endtoksgroup
+ \s@expandarg\ltxkeys@replacepointers\ltxkeys@tval
+ }{%
+ \ltxkeys@debug{!!}{Key '\ltxkeys@tkey' has nonstandard macro}%
+ }%
+ }%
+ \xaftercsname\reserved@a{\ltxkeys@hdr\ltxkeys@tkey @default}\ltxkeys@nil
+ \ifboolTF{ltxkeys@tracingkeys}{%
+ \ltxkeys@getinnovaluenopad
+ \ltxkeys@debug{==}{%
+ \ifltxkeys@preset Preset key\else Key\fi\@space
+ '\ltxkeys@tkey', macro being executed now%
+ }%
+ }{}%
+ \cpt@pushstate\ltxkeys@setkeys\ltxkeys@state\ltxkeys@keydepth
+ \ifmacroTF{#1}{%
+ \expandafter#1\expandafter{\ltxkeys@tval}\relax
+ }{%
+ \ltxkeys@err{Faulty key macro '\detokenize{#1}'}\ltxkeys@ehd
+ }%
+ \cpt@popstate\ltxkeys@setkeys\ltxkeys@keydepth
+ \ltxkeys@debug{++}{%
+ \ifltxkeys@preset Preset key\else Key\fi\@space
+ '\ltxkeys@tkey', macro executed%
+ }%
+}
+\robust@def*\ltxkeys@getsavedvalue#1{%
+ \def\reserved@a##1#1##2##3\ltxkeys@nil{%
+ \edef\ltxkeys@tempc{\unexpanded{##2}}%
+ \ltxkeys@ifxTF\ltxkeys@tempc\ltxkeys@nnil\@secondoftwo\@firstoftwo
+ }%
+ \cptsevenxp\reserved@a\usename{\ltxkeys@hdr @savedvaluelist}%
+ #1{\ltxkeys@nil}\ltxkeys@nil
+}
+\robust@def*\ltxkeys@replacepointers#1{%
+ \ltxkeys@debug{==}{Key '\ltxkeys@tkey', replacing pointers}%
+ \def\ltxkeys@resa{}%
+ \ltxkeys@swafalse
+ \ifbracedTF{#1}{%
+ \ltxkeys@r@placepointers{#1}\usevalue\ltxkeys@nil
+ }{%
+ \ltxkeys@r@placepointers#1\usevalue\ltxkeys@nil
+ }%
+ \let\ltxkeys@resa\relax
+}
+\robust@def*\ltxkeys@r@placepointers#1\usevalue#2{%
+ \def\reserved@a{#2}%
+ \ltxkeys@ifxTF\reserved@a\ltxkeys@nnil{%
+ \edef\ltxkeys@tval{\unexpanded{#1}}%
+ \ifltxkeys@swa
+ \ifltxkeys@tracingkeys
+ \ltxkeys@getinnovaluenopad
+ \ltxkeys@debug{++}{Key '\ltxkeys@tkey', value
+ inherited from '\ltxkeys@tempb'}%
+ \fi
+ \else
+ \ltxkeys@debug{==}{Key '\ltxkeys@tkey', no pointers found}%
+ \fi
+ }{%
+ \ltxkeys@getsavedvalue{#2}{%
+ \ltxkeys@swatrue
+ \def\ltxkeys@tempb{#2}%
+ \oifinset@sp@TF,\ltxkeys@tempb\ltxkeys@resa{%
+ \ltxkeys@error{Dangerous back linking of pointers}
+ {Key pointer replacement terminated due
+ \MsgBrk to possible back linking.}%
+ }{%
+ \edef\ltxkeys@resa{\csliststack,\ltxkeys@resa#2}%
+ \s@expandarg\ifbracedTF\ltxkeys@tempc{%
+ \s@expandarg\ltxkeys@r@placepointers\ltxkeys@tempc
+ }{%
+ \expandafter\ltxkeys@r@placepointers\ltxkeys@tempc
+ }%
+ }%
+ }{%
+ \ltxkeys@err{No value recorded for key '#2'}\ltxkeys@ehd
+ \ltxkeys@r@placepointers
+ }%
+ }%
+}
+\robust@def*\ltxkeys@storevalue{%
+ \ltxkeys@testpl{\ltxkeys@testopt@a\ltxkeys@st@revalue}%
+}
+\robust@def*\ltxkeys@st@revalue#1#2{%
+ \ifinsetFT{,}{#1}{}{%
+ \ltxkeys@err{Illegal multiple keys for
+ \string\ltxkeys@storevalue}\ltxkeys@ehd
+ }%
+ \ifescapedTF{#2}{}{\cpt@notescapederr{#2}}%
+ \ltxkeys@getsavedvalue{#1}{%
+ \ifltxkeys@pl
+ \expandafter\@firstofone
+ \else
+ \ltxkeys@err{%
+ No value recorded for key '#1' of
+ \MsgBrk family '\ltxkeys@tfam' and prefix '\ltxkeys@ttpref'
+ }{%
+ You have asked me to store the value of key '#1'
+ \MsgBrk (of family '\ltxkeys@tfam' and prefix '\ltxkeys@ttpref')
+ in the macro '\detokenize{#2}',
+ \MsgBrk but I can't find a value for key '#1'. Perhaps
+ \MsgBrk you haven't yet executed key '#1' or you didn't
+ \MsgBrk ask me to save its value.
+ }%
+ \fi
+ }{%
+ \let#2=\reserved@a
+ }%
+}
+\robust@def*\ltxkeys@getinnovalue{\ltxkeys@swatrue\ltxkeys@g@tinnovalue}
+\robust@def*\ltxkeys@getinnovaluenopad{\ltxkeys@swafalse\ltxkeys@g@tinnovalue}
+\robust@def*\ltxkeys@g@tinnovalue{%
+ \begingroup
+ \ltxkeys@ifcsemptyTF\ltxkeys@tval{%
+ \def\InnocentVal{???}%
+ }{%
+ \@tempcnta\z@pt
+ \def\InnocentVal{}%
+ \def\ltxkeys@tempa{\\}%
+ \def\do##1{%
+ \def\reserved@a{##1}%
+ \ltxkeys@ifxTF\reserved@a\ltxkeys@nnil{}{%
+ \advance\@tempcnta\@ne
+ \ifnum\@tempcnta<20\relax
+ \edef\InnocentVal{%
+ \InnocentVal
+ \ifx\reserved@a\ltxkeys@tempa
+ \ifltxkeys@swa\@space\fi
+ \else
+ ##1%
+ \fi
+ }%
+ \else
+ \def\do####1\ltxkeys@nil{}%
+ \fi
+ \do
+ }%
+ }%
+ \expandafter\do\detokenize\expandafter
+ {\ltxkeys@tval}\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ltxkeys@nil
+ }%
+ \postgroupdef\InnocentVal\endgroup
+}
+\robust@def*\ltxkeys@keyvalerr{%
+ \ltxkeys@getinnovaluenopad
+ \ltxkeys@err{Erroneous value '\InnocentVal' for key or option
+ \MsgBrk'\ltxkeys@tkey'}{Invalid key value encountered.}%
+}
+\robust@def*\ltxkeys@unknownkeyhandler{%
+ \def\ltxkeys@default@ds{default@ds@key}%
+ \cpt@testopt\ltxkeys@unkn@wnkeyhandler{KV}%
+}
+\robust@def*\ltxkeys@unkn@wnkeyhandler[#1]#2#3{%
+ \begintoksgroup
+ \toks1{##1##2##3##4{\ltxkeys@getinnovaluenopad#3}}%
+ \def\ltxkeys@do##1{%
+ \ltxkeys@makepf{##1}%
+ \def\ltxkeys@do####1{%
+ \ltxkeys@makehdr{####1}%
+ \cptexpanded{%
+ \toks@{\the\toks@
+ \csn@def{\ltxkeys@hdr\ltxkeys@default@ds}\the\toks1%
+ }%
+ }%
+ }%
+ \ltxkeys@listparse1{#2}%
+ }%
+ \ltxkeys@listparse1{#1}%
+ \endtoksgroup
+}
+\robust@def*\ltxkeys@logunknownkeys{%
+ \ltxkeys@l@gunknownkeys
+ \ltxkeys@err{The above keys are undefined and couldn't be set}
+ {There are undefined keys; see above.}%
+}
+\robust@def*\ltxkeys@l@gunknownkeys{%
+ \ltxkeys@debug{==}{Now logging undefined keys}%
+ \begingroup
+ \cpt@cnta\z@pt
+ \edef\ltxkeys@skipa{}%
+ \cptwhilenum\cpt@cnta<20\do{%
+ \edef\ltxkeys@skipa{\ltxkeys@skipa\@space}%
+ \advance\cpt@cnta\@ne
+ }%
+ \typeout{\ltxkeys@skipa*** Unknown keys ***}%
+ \def\ltxkeys@tempb{\\}%
+ \def\align@do##1##2##3##4##5##6##7##8##9\@@{%
+ \def\ltxkeys@tempc{##9}%
+ \def\siso@do####1{%
+ \def\reserved@a{####1}%
+ \ifx\reserved@a\ltxkeys@tempb
+ \edef\ltxkeys@skipb{\@space\ltxkeys@skipb}%
+ \fi
+ }%
+ \siso@@loop{##1##2##3##4##5##6##7##8}%
+ }%
+ \edef\ltxkeys@tempa{%
+ *Prefix,*Family,*Name,*Value;\expandcsonce\ltxkeys@undefinedkeys
+ }%
+ \def\ltxkeys@splita##1,##2,##3,##4\ltxkeys@nil{%
+ \def\ltxkeys@msg{}%
+ \def\ltxkeys@do####1{%
+ \let\ltxkeys@skipb\@empty
+ \align@do####1\\\\\\\\\\\\\\\\\\\@@
+ \expandafter\align@do\ltxkeys@tempc\\\\\\\\\\\\\\\\\\\@@
+ \edef\ltxkeys@msg{\expandcsonce\ltxkeys@msg####1\ltxkeys@skipb}%
+ }%
+ \ltxkeys@listparse1{##1,##2,##3,##4}%
+ \typeout{\ltxkeys@msg}%
+ }%
+ \def\ltxkeys@do##1{%
+ \ltxkeys@splita##1\ltxkeys@nil
+ }%
+ \ltxkeys@listparse*0[;]\ltxkeys@tempa
+ \typeout{\ltxkeys@skipa*******************}%
+ \endgroup
+}
+\robust@def*\ltxkeys@disablekeys{%
+ \cpt@teststopt{\ltxkeys@dis@blekeys}{KV}%
+}
+\robust@def*\ltxkeys@dis@blekeys[#1]#2#3{%
+ \ltxkeys@debug{==}{Now disabling keys}%
+ \ifboolTF{cpt@st}{%
+ \AtBeginDocument{%
+ \ltxkeys@dis@bl@keys{#1}{#2}{#3}%
+ }%
+ }{%
+ \ltxkeys@dis@bl@keys{#1}{#2}{#3}%
+ }%
+}
+\robust@def*\ltxkeys@dis@bl@keys#1#2#3{%
+ \ltxkeys@commanormalizeset
+ {{#1}\ltxkeys@prefs,{#2}\ltxkeys@fams,{#3}\ltxkeys@keys}%
+ \def\ltxkeys@do##1{%
+ \ltxkeys@makepf{##1}%
+ \def\ltxkeys@do####1{%
+ \ltxkeys@makehdr{####1}%
+ \ltxkeys@dis@bl@k@ys
+ }%
+ \ltxkeys@listparse*0\ltxkeys@fams
+ }%
+ \ltxkeys@listparse*0\ltxkeys@prefs
+}
+\robust@def*\ltxkeys@dis@bl@k@ys{%
+ \begingroup
+ \toks@{}%
+ \ifcsndefTF{\ltxkeys@hdr disabledkeys}{}{%
+ \@namedef{\ltxkeys@hdr disabledkeys}{}%
+ }%
+ \letcstocsn\ltxkeys@dkeys{\ltxkeys@hdr disabledkeys}%
+ \edef\ltxkeys@tempb##1{%
+ \ltxkeys@err
+ {Key '##1' of family '\ltxkeys@tfam' has been disabled}%
+ {Key '##1' has been disabled.\MsgBrk
+ You can't set or reset it at this late stage.\MsgBrk
+ Perhaps you should have set it earlier in\MsgBrk
+ '\string\documentclass' or '\string\usepackage'.}%
+ }%
+ \def\ltxkeys@do##1{%
+ \ifcsndefTF{\ltxkeys@hdr##1}{%
+ \xifinsetTF{,##1,}{,\expandcsonce\ltxkeys@dkeys,}{}{%
+ \cptpassexpanded{%
+ \toks@{\the\toks@
+ \ltxkeys@ordkey[\ltxkeys@ttpref]{\ltxkeys@tfam}{##1}%
+ \ifcsndefTF{\ltxkeys@hdr##1@default}{[]}{}%
+ {\expandcsonce{\ltxkeys@tempb{##1}}}%
+ }%
+ }%
+ \edef\ltxkeys@dkeys{%
+ \csliststack,\ltxkeys@dkeys\unexpanded{##1}%
+ }%
+ }%
+ }{%
+ \ltxkeys@debug{!!}{Key '##1' is undefined in
+ family '\ltxkeys@tfam'}%
+ }%
+ }%
+ \ltxkeys@listparse*0\ltxkeys@keys
+ \cptpassexpanded{\endgroup
+ \csn@def{\ltxkeys@hdr disabledkeys}{\ltxkeys@dkeys}%
+ \noexpand\ltxkeys@disabletrue
+ \the\toks@
+ \noexpand\ltxkeys@disablefalse
+ }%
+}
+\robust@def*\ltxkeys@nostarform#1#2{%
+ \if\detokenize{#1*.}%
+ \ltxkeys@err{No star (*) form of command \string#2}\ltxkeys@ehd
+ \fi
+}
+\robust@def*\ltxkeys@declareoption{%
+ \let\@fileswith@pti@ns\@badrequireerror
+ \cpt@ifstar{%
+ \ltxkeys@unknownoptionhandler
+ }{%
+ \let\ltxkeys@tempa\ltxkeys@ordkey
+ \ltxkeys@d@cl@reoption
+ }%
+}
+\robust@def\ltxkeys@unknownoptionhandler{%
+ \cpt@testopt\ltxkeys@unkn@wnoptionhandler{KV}%
+}
+\robust@def*\ltxkeys@unkn@wnoptionhandler[#1]{%
+ \cpt@testfam{\ltxkeys@unkn@wnopti@nhandler{#1}}%
+}
+\robust@def*\ltxkeys@unkn@wnopti@nhandler#1<#2>#3{%
+ \def\ltxkeys@default@ds{default@ds@opt}%
+ \ltxkeys@unkn@wnkeyhandler[#1]{#2}{#3}%
+}
+\robust@def*\ltxkeys@declareordoption#1{%
+ \let\@fileswith@pti@ns\@badrequireerror
+ \ltxkeys@d@clareoption{#1}{ord}%
+}
+\newletcs\ltxkeys@declareordoptions\ltxkeys@declareordoption
+\newletcs\ltxkeys@declareoptions\ltxkeys@declareordoption
+\robust@def*\ltxkeys@declarecmdoption#1{%
+ \let\@fileswith@pti@ns\@badrequireerror
+ \ltxkeys@d@clareoption{#1}{cmd}%
+}
+\newletcs\ltxkeys@declarecmdoptions\ltxkeys@declarecmdoption
+\robust@def*\ltxkeys@declarebooloption#1{%
+ \let\@fileswith@pti@ns\@badrequireerror
+ \ltxkeys@d@clareoption{#1}{bool}%
+}
+\newletcs\ltxkeys@declarebooloptions\ltxkeys@declarebooloption
+\robust@def*\ltxkeys@declarechoiceoption#1{%
+ \let\@fileswith@pti@ns\@badrequireerror
+ \ltxkeys@d@clareoption{#1}{choice}%
+}
+\newletcs\ltxkeys@declarechoiceoptions\ltxkeys@declarechoiceoption
+\robust@def*\ltxkeys@d@clareoption#1#2{%
+ \aftercsname{\ltxkeys@nostarform{#1}}{ltxkeys@declare#2option}%
+ \edef\ltxkeys@tempa{\noexpandcsn{ltxkeys@#2key}}%
+ \let\@fileswith@pti@ns\@badrequireerror
+ \ifsingletokenTF{#1}{%
+ \ltxkeys@d@cl@reoption#1%
+ }{%
+ \ltxkeys@d@cl@reoption{#1}%
+ }%
+}
+\robust@def*\ltxkeys@d@cl@reoption{%
+ \cpt@testopt\ltxkeys@d@cl@r@option{KV}%
+}
+\robust@def*\ltxkeys@d@cl@r@option[#1]{%
+ \cpt@testfam{\ltxkeys@d@cl@r@opti@n{#1}}%
+}
+\robust@def*\ltxkeys@d@cl@r@opti@n#1<#2>{\ltxkeys@tempa[#1]{#2}}
+
+\robust@def*\ltxkeys@declaremultitypeoptions{%
+ \cpt@testst\ltxkeys@d@claremultitypeoptions
+}
+\newletcs\declaremultitypeoptions\ltxkeys@declaremultitypeoptions
+\robust@def*\ltxkeys@d@claremultitypeoptions{%
+ \cpt@testpnopt\ltxkeys@d@cl@remultitypeoptions{}%
+}
+\robust@def*\ltxkeys@d@cl@remultitypeoptions(#1){%
+ \cpt@testopt{\ltxkeys@d@cl@rem@ltitypeoptions{#1}}{KV}%
+}
+\robust@def*\ltxkeys@d@cl@rem@ltitypeoptions#1[#2]{%
+ \cpt@testfam{\ltxkeys@d@cl@rem@ltitypeopti@ns{#1}{#2}}%
+}
+\robust@def*\ltxkeys@d@cl@rem@ltitypeopti@ns#1#2<#3>{%
+ \cptexpanded{%
+ \ltxkeys@declarekeys\ifcpt@st*\fi
+ \iflacus#1\dolacus\else(#1)\fi[#2]{#3}%
+ }%
+}
+\robust@def*\ltxkeys@executeoptions#1{%
+ \ltxkeys@nostarform{#1}\ltxkeys@executeoptions
+ \ltxkeys@debug{==}{Executing options}%
+ \ltxkeys@exoptrue\ltxkeys@stfalse\ltxkeys@pltrue
+ \ltxkeys@rmfalse
+ \ifsingletokenTF{#1}{%
+ \ltxkeys@testopt@@b\ltxkeys@setkeys@a#1%
+ }{%
+ \ltxkeys@testopt@@b\ltxkeys@setkeys@a{#1}%
+ }%
+}
+\robust@def*\ltxkeys@beforeprocessoptions{%
+ \ifcsndefTF{\@currname @\@currext @ltxkeys@beginprocessopt}{%
+ \ltxkeys@warn{Command \noexpand\ltxkeys@beforeprocessoptions
+ is wrongly located}%
+ \@gobble
+ }{%
+ \grightaddtocsn{\@currname @\@currext
+ @ltxkeys@beforeprocessopt@hook}%
+ }%
+}
+\robust@def*\ltxkeys@afterprocessoptions{%
+ \ifcsndefTF{\@currname @\@currext @ltxkeys@endprocessopt}{%
+ \@firstofone
+ }{%
+ \grightaddtocsn{\@currname @\@currext
+ @ltxkeys@afterprocessopt@hook}%
+ }%
+}
+\robust@def*\ltxkeys@useandrelaxcsn#1{%
+ \ifcsndefFT{#1}{}{%
+ \letcstocsn\reserved@a{#1}%
+ \letcsntocs{#1}\relax
+ \reserved@a
+ }%
+}
+
+\def\ltxkeys@processedoptions{}
+\robust@def*\ltxkeys@processoptions{%
+ \ifcsndefTF{\@currname @\@currext @ltxkeys@beginprocessopt}{%
+ \ltxkeys@err{\noexpand\ltxkeys@processoptions issued twice
+ in same \@cls@pkg '\@currname'}\ltxkeys@ehd
+ }{%
+ \csn@def{\@currname @\@currext @ltxkeys@beginprocessopt}{}%
+ }%
+ \ltxkeys@useandrelaxcsn
+ {\@currname @\@currext @ltxkeys@beforeprocessopt@hook}%
+ \ltxkeys@debug{==}{Processing options}%
+ \ltxkeys@pltrue\ltxkeys@rmfalse
+ \ltxkeys@testopt@@a\ltxkeys@pr@cessoptions
+}
+\robust@def*\ltxkeys@pr@cessoptions[#1]{%
+ \ltxkeys@pxoptrue
+ \def\ltxkeys@poxlist{}%
+ \let\@fileswith@pti@ns\@badrequireerror
+ \edef\ltxkeys@testname{\@currname.\@currext}%
+ \ltxkeys@ifxTF\ltxkeys@testname\ltxkeys@documentclass{%
+ \let\@unusedoptionlist\ltxkeys@classoptionslist
+ }{%
+ \ifdefboolFT{ltxkeys@st}{}{%
+ \def\ltxkeys@do##1{%
+ \edef\CurrentKeyval{\unexpanded{##1}}%
+ \ltxkeys@getkeyname##1=\ltxkeys@nil\ltxkeys@tkey
+ \begingroup
+ \let\xp\expandcsonce
+ \edef\x{[\xp\ltxkeys@prefs]{\xp\ltxkeys@fams}{\xp\ltxkeys@tkey}}%
+ \expandafter\endgroup\expandafter\ltxkeys@ifkeydefFT\x{}{%
+ \ltxkeys@ifcsemptyTF\@unusedoptionlist{%
+ \cptgaddtolist\ltxkeys@processedoptions{##1}%
+ }{%
+ \cpt@removecurroption{##1}%
+ \ltxkeys@debug{==}{Key \ltxkeys@currtriple, removed from
+ \string\@unusedoptionlist}%
+ }%
+ \cptaddtolist\ltxkeys@poxlist{##1}%
+ }%
+ }%
+ \ltxkeys@ifcsemptyTF\ltxkeys@classoptionslist{}
+ {\ltxkeys@listparse*0\ltxkeys@classoptionslist}%
+ }%
+ }%
+ \edef\ltxkeys@tempa{\cpt@optionlist{\@currname.\@currext}}%
+ \edef\ltxkeys@poxlist
+ {\csliststack,\ltxkeys@tempa\expandcsonce\ltxkeys@poxlist}%
+ \ltxkeys@ifcsemptyTF\ltxkeys@poxlist{}{%
+ \cptexpandargonce{\ltxkeys@setkeys@a[#1]}\ltxkeys@poxlist
+ }%
+ \s@expandarg\ltxkeys@getkeynames\ltxkeys@poxlist
+ \def\ltxkeys@do##1{%
+ \ltxkeys@makepf{##1}%
+ \def\ltxkeys@do####1{%
+ \ltxkeys@makehdr{####1}%
+ \def\ltxkeys@do########1{%
+ \ifcsndefTF{\ltxkeys@hdr########1}{%
+ \csn@xdef{\ltxkeys@hdr poxkeys}{%
+ \csnliststack,{\ltxkeys@hdr poxkeys}%
+ \unexpanded{########1}%
+ }%
+ }%
+ }%
+ \ltxkeys@listparse*0\ltxkeys@keynames
+ \ifcsndefFT{\ltxkeys@hdr optionkeys}{}{%
+ \letcstocsn\ltxkeys@tempb{\ltxkeys@hdr poxkeys}%
+ \ifdefTF\ltxkeys@tempb{}{\def\ltxkeys@tempb{}}%
+ \def\ltxkeys@do########1{%
+ \xifinsetTF{,########1,}{,\expandcsonce\ltxkeys@tempb,}{}{%
+ \edef\ltxkeys@tempb{%
+ \csliststack,\ltxkeys@tempb\unexpanded{########1}%
+ }%
+ }%
+ }%
+ \aftercsname{\ltxkeys@listparse*0}{\ltxkeys@hdr optionkeys}%
+ \gletcsntocs{\ltxkeys@hdr poxkeys}\ltxkeys@tempb
+ }%
+ }%
+ \ltxkeys@listparse*0\ltxkeys@fams
+ }%
+ \ltxkeys@listparse*0\ltxkeys@prefs
+ \undefcs\ltxkeys@poxlist
+ \csn@def{\ltxkeys@hdr rmkeys}{}%
+ \ltxkeys@pxopfalse
+ \let\@fileswith@pti@ns\@@fileswith@pti@ns
+ \AtEndOfPackage{\let\@unprocessedoptions\relax}%
+ \ltxkeys@debug{==}{Ended processing options}%
+ \ltxkeys@debug{==}{Now doing <afterprocessoptions>}%
+ \ltxkeys@useandrelaxcsn
+ {\@currname @\@currext @ltxkeys@afterprocessopt@hook}%
+ \csn@def{\@currname @\@currext @ltxkeys@endprocessopt}{}%
+}
+\robust@def*\ltxkeys@ifkeydefTF{\begingroup\ltxkeys@ifkeydef0}
+\robust@def*\ltxkeys@ifkeydefFT{\begingroup\ltxkeys@ifkeydef1}
+\robust@def*\ltxkeys@ifkeydef#1{\cpt@testopt{\ltxkeys@ifk@ydef#1}{KV}}
+\robust@def*\ltxkeys@ifk@ydef#1[#2]#3#4{%
+ \ltxkeys@commanormalizeset{{#2}\ltxkeys@prefs,{#3}\ltxkeys@fams}%
+ \ltxkeys@trimspaces{#4}\ltxkeys@tkey
+ \cpt@choicefdfalse
+ \def\ltxkeys@do##1{%
+ \ifboolTF{cpt@choicefd}{%
+ \loopbreak
+ }{%
+ \ltxkeys@makepf{##1}%
+ \ltxkeys@ifk@yd@f
+ }%
+ }%
+ \ltxkeys@listparse*0\ltxkeys@prefs
+ \ltxkeys@ifchcfd#1\endgroup
+}
+\robust@def*\ltxkeys@ifk@yd@f{%
+ \def\ltxkeys@do##1{%
+ \ltxkeys@makehdr{##1}%
+ \ifcsndefTF{\ltxkeys@hdr\ltxkeys@tkey}{%
+ \cpt@choicefdtrue\loopbreak
+ }{}%
+ }%
+ \ltxkeys@listparse*0\ltxkeys@fams
+}
+\robust@def*\ltxkeysglobal{\ltxkeys@globaltrue}
+\robust@def*\ltxkeysprotected{\ltxkeys@protectedtrue}
+\newletcs\ltxkeysrobust\ltxkeysprotected
+\robust@def*\ltxkeys@global@protected{%
+ \ifltxkeys@global
+ \ltxkeys@globalfalse
+ \let\ltxkeys@tempa\global
+ \else
+ \let\ltxkeys@tempa\@empty
+ \fi
+ \ifltxkeys@protected
+ \ltxkeys@protectedfalse\protected
+ \fi
+ \ltxkeys@tempa
+}
+\robust@def*\ltxkeyscmd{%
+ \let\ltxkeys@inenv\cptswfalse
+ \cpt@starorlong\ltxkeys@keycommand
+}
+\robust@def*\ltxkeys@keycommand#1{%
+ \cpt@testopt{\ltxkeys@keycommand@a#1}0%
+}
+\robust@def*\ltxkeys@keycommand@a#1[#2]{%
+ \ltxkeys@inkeycmdtrue
+ \cpt@ifbrack
+ {\ltxkeys@keycommand@e#1{#2}}{\ltxkeys@keycommand@b#1{#2}}%
+}
+\robust@def*\ltxkeys@keycommand@b#1#2{%
+ \cpt@testltopt{\ltxkeys@keycommand@c{#1}{#2}}{}%
+}
+\robust@def*\ltxkeys@keycommand@c#1#2<#3>{%
+ \cpt@testpnopt{\ltxkeys@keycommand@d{#1}{#2}{#3}}{}%
+}
+\robust@def\ltxkeys@keycommand@d#1#2#3(#4)#5{%
+ \ifcsdefinable#1\relax
+ \edef\reserved@a{\cptgobblescape#1}%
+ \cptexpandsecond{\ltxkeys@declarekeys*[CMDKEY]}
+ {{ltxkeys@\reserved@a}[\reserved@a @]}{#4}%
+ \def\reserved@a{\ltxkeys@keycommand@h#1\@ne{#2}{#3}}%
+ \expandafter\reserved@a\expandafter{%
+ \expandafter\long\expandafter\edef\expandafter
+ \ltxkeys@cmdbody\expandafter{\expandafter
+ {\ltxkeys@inenv}{\unexpanded{#5}}}%
+ \cptexpandarg\cpt@testpnopt{\ltxkeys@keycommand@j
+ {\cptgobblescape#1}}{}%
+ }%
+}
+\robust@def*\ltxkeys@keycommand@e#1#2[#3]{%
+ \cpt@testltopt{\ltxkeys@keycommand@f{#1}{#2}{#3}}{}%
+}
+\robust@def*\ltxkeys@keycommand@f#1#2#3<#4>{%
+ \cpt@testpnopt{\ltxkeys@keycommand@g{#1}{#2}{#3}{#4}}{}%
+}
+\robust@def\ltxkeys@keycommand@g#1#2#3#4(#5)#6{%
+ \ifcsdefinable#1\relax
+ \edef\reserved@a{\cptgobblescape#1}%
+ \cptexpandsecond{\ltxkeys@declarekeys*[CMDKEY]}
+ {{ltxkeys@\reserved@a}[\reserved@a @]}{#5}%
+ \ifltxkeys@global\global\fi
+ \ifltxkeys@protected\protected\fi
+ \expandafter\def\expandafter#1\expandafter{%
+ \expandafter\@protected@testopt\expandafter#1%
+ \csname\string#1\endcsname{#3}%
+ }%
+ \def\reserved@a{%
+ \aftercsname\ltxkeys@keycommand@h{\string#1}\tw@{#2}{#4}%
+ }%
+ \expandafter\reserved@a\expandafter{%
+ \expandafter\long\expandafter\edef\expandafter
+ \ltxkeys@cmdbody\expandafter{\expandafter
+ {\ltxkeys@inenv}{\unexpanded{#6}}}%
+ \cptexpandarg\cpt@testpnopt{\ltxkeys@keycommand@j
+ {\cptgobblescape#1}}{}%
+ }%
+}
+\robust@def*\ltxkeys@keycommand@h#1#2#3#4{%
+ \ifnum#2=\tw@
+ \def\ltxkeys@tempb##11{[####1]}%
+ \else
+ \let\ltxkeys@tempb\@gobble
+ \fi
+ \expandafter\ltxkeys@keycommand@i\expandafter{\number#3}#1{#4}%
+}
+\robust@def\ltxkeys@keycommand@i#1#2#3{%
+ \begingroup
+ \iflacus#3\dolacus
+ \let\elt\@gobble
+ \else
+ \def\elt##1{\expandcsnonce{d##1}}%
+ \@tempcnta\z@pt
+ \loop
+ \advance\@tempcnta\@ne
+ \csn@def{d\number\@tempcnta}{}%
+ \ifnum\@tempcnta<9\relax
+ \repeat
+ \@tempcnta\z@pt
+ \def\@do##1##2{%
+ \edef\ltxkeys@tempa{\cpttrimspace{##1}}%
+ \ifstrcmpTF{##1}\keycommand@nil{}{%
+ \advance\@tempcnta\@ne
+ \ifnum\@tempcnta>#1\relax
+ \ltxkeys@err{Number of delimiters exceeds
+ number of parameters}\ltxkeys@ehd
+ \fi
+ \xifinsetTF{,\expandcsonce\ltxkeys@tempa,}%
+ {,1,2,3,4,5,6,7,8,9,}{}{%
+ \ltxkeys@err{Invalid delimiter syntax:
+ \MsgBrk no digit [1-9] found before
+ delimiter}\ltxkeys@ehd
+ }%
+ \csn@edef{d\ltxkeys@tempa}{\cpttrimspace{##2}}%
+ \@do
+ }%
+ }%
+ \@do#3\keycommand@nil\keycommand@nil
+ \fi
+ \iflacus#3\dolacus\else
+ \ifx\ltxkeys@tempb\@gobble\else
+ \expandafter\ifx\csname d1\endcsname\@empty\else
+ \ltxkeys@err{First argument of command \string#2 is
+ \MsgBrk already delimited by '[]'}\ltxkeys@ehd
+ \fi
+ \fi
+ \fi
+ \edef\ltxkeys@tempc{%
+ 0####1\ifx\ltxkeys@tempb\@gobble\elt1\fi
+ ####2\elt2####3\elt3####4\elt4####5\elt5####6\elt6%
+ ####7\elt7####8\elt8####9\elt9%
+ }%
+ \def\ltxkeys@tempa##1#1##2##{%
+ \def\ltxkeys@tempc{%
+ \ltxkeys@inkeycmdfalse
+ \ltxkeys@global@protected\l@ngrel@x
+ }%
+ \cptexpandsecond{\expandafter\endgroup\ltxkeys@tempc
+ \expandafter\def\expandafter#2\ltxkeys@tempb##1#1}{\elt{#1}}%
+ }%
+ \expandafter\ltxkeys@tempa\ltxkeys@tempc###1%
+}
+\robust@def*\ltxkeys@keycommand@j#1(#2){%
+ \ltxkeys@setkeys[CMDKEY]{ltxkeys@#1}{#2}%
+ \cptpushfunctions\ltxkeyscmd{%
+ \\\val\\\ifval\\\ifvalTF\\\keyval\\\ifkeyval\\\ifkeyvalTF
+ }\ltxkeyscmd@depth
+ \def\val##1{\usename{#1@\cpttrimspace{##1}}}%
+ \def\ifval##1\then{\usename{if#1@\cpttrimspace{##1}}}%
+ \def\ifvalTF##1{%
+ \ifval##1\then\expandafter\cptiofii\else\expandafter\cptiiofii\fi
+ }%
+ \def\keyval##1{%
+ \ifcsndefTF{#1@\cpttrimspace{##1}}{%
+ \usename{#1@\cpttrimspace{##1}}%
+ }{%
+ \ltxkeys@err{Key '\cpttrimspace{##1}' not defined by
+ command '\@backslashchar#1'}\ltxkeys@ehd
+ }%
+ }%
+ \def\ifkeyval##1\then{%
+ \ifcsndefTF{if#1@\cpttrimspace{##1}}{%
+ \usename{if#1@\cpttrimspace{##1}}%
+ }{%
+ \ltxkeys@err{Key '\cpttrimspace{##1}' not defined by
+ command '\@backslashchar#1'}\ltxkeys@ehd
+ }%
+ }%
+ \def\ifkeyvalTF##1{%
+ \ifkeyval##1\then\expandafter\cptiofii\else\expandafter\cptiiofii\fi
+ }%
+ \long\def\reserved@a##1##2\ltxkeys@nil{%
+ % \ifswitch won't work here:
+ \ifcondTF\if##1\fi{%
+ ##2%
+ }{%
+ ##2%
+ \cptpopfunctions\ltxkeyscmd\ltxkeyscmd@depth
+ }%
+ }%
+ \expandafter\reserved@a\ltxkeys@cmdbody\ltxkeys@nil
+}
+\robust@def*\reltxkeyscmd{%
+ \let\ltxkeys@inenv\cptswfalse
+ \cpt@starorlong\ltxkeys@rekeycommand
+}
+\robust@def*\ltxkeys@rekeycommand#1{%
+ \ifdefTF{#1}{}{%
+ \ltxkeys@warn{Command '\string#1' was previously undefined
+ \MsgBrk but now defined by \string\ltsrenewcommand}%
+ }%
+ \let\ifcsdefinable\rc@ifcsdefinable
+ \ltxkeys@keycommand#1%
+}
+\robust@def*\ltxkeysenv{%
+ \let\ltxkeys@inenv\cptswtrue
+ \cpt@starorlong\ltxkeys@keyenvironment
+}
+\robust@def*\ltxkeys@keyenvironment#1{\cpt@testopt{\ltxkeys@newenv@a#1}0}
+\robust@def*\ltxkeys@newenv@a#1[#2]{%
+ \begingroup
+ \toks@{}%
+ \ifnum#2=\z@pt\else
+ \@tempcnta\z@pt
+ \loop
+ \advance\@tempcnta\@ne
+ \cptexpanded{%
+ \toks@{\the\toks@\csn@def{keyenvarg@\romannumeral\@tempcnta}%
+ {########\the\@tempcnta}}%
+ }%
+ \ifnum\@tempcnta<#2\relax
+ \repeat
+ \fi
+ \cpt@ifbrack{\ltxkeys@newenv@b#1[#2]}{\ltxkeys@newenv@c{#1}[#2]}%
+}
+\robust@def*\ltxkeys@newenv@b#1[#2][#3]{%
+ \cpt@testltopt{\ltxkeys@newenv@d{#1}{[#2][{#3}]}}{}%
+}
+\robust@def*\ltxkeys@newenv@c#1[#2]{%
+ \cpt@testltopt{\ltxkeys@newenv@d{#1}{[#2]}}{}%
+}
+\robust@def*\ltxkeys@newenv@d#1#2<#3>{%
+ \cpt@testpnopt{\ltxkeys@newenv@e{#1}{#2}{#3}}{}%
+}
+\robust@def\ltxkeys@newenv@e#1#2#3(#4)#5#6{%
+ \ifcsndefTF{#1}{}{\letcsntocsn{#1}{end#1}}%
+ \def\@do##1{\edef\@do{\unexpanded{##1}}}%
+ \ifblankTF{#3}{%
+ \ifblankTF{#4}{%
+ \@do{#2}%
+ }{%
+ \@do{#2(#4)}%
+ }%
+ }{%
+ \ifblankTF{#4}{%
+ \@do{#2<#3>}%
+ }{%
+ \@do{#2<#3>(#4)}%
+ }%
+ }%
+ \xdef\ltxkeys@newenv@f{%
+ \ifltxkeys@global\global\fi
+ \ifltxkeys@protected\protected\fi
+ }%
+ \cptexpandsecond{%
+ \endgroup\ltxkeys@keycommand
+ }{%
+ \noexpandcsn{#1}\expandcsonce\@do{%
+ \the\toks@\unexpanded{#5}%
+ }%
+ }%
+ \ltxkeys@newenv@f
+ \l@ngrel@x\csn@def{end#1}{%
+ \def\envarg####1{\usename{keyenvarg@\romannumeral####1}}%
+ #6\relax
+ \cptpopfunctions\ltxkeyscmd\ltxkeyscmd@depth
+ \ltxkeys@everyeoehook
+ }%
+}
+\robust@def*\reltxkeysenv{%
+ \let\ltxkeys@inenv\cptswtrue
+ \cpt@starorlong\ltxkeys@rekeyenvironment
+}
+\robust@def*\ltxkeys@rekeyenvironment#1{%
+ \ifdefTF{#1}{}{%
+ \ltxkeys@warn{Environment '\string#1' was previously undefined
+ \MsgBrk but now defined by \string\reltxkeysenv}%
+ }%
+ \letcsntocs{#1}\relax
+ \letcsntocs{end#1}\relax
+ \ltxkeys@keyenvironment{#1}%
+}
+\robust@def\ltxkeys@ifpattern#1#2{%
+ \begingroup
+ \edef\ltxkeys@tempa##1{\def##1####1\detokenize{#1}####2&}%
+ \ltxkeys@tempa\ltxkeys@tempa{%
+ \aftercsname\endgroup{@\ifblankTF{##2}{second}{first}oftwo}%
+ }%
+ \edef\ltxkeys@tempb##1{##1\detokenize{#1}&}%
+ \ltxkeys@tempb{\expandafter\ltxkeys@tempa\meaning#2}%
+}
+
+\new@def*\ltxkeys@everyeoehook{}
+\robust@def*\ltxkeys@everyeoe#1{%
+ \ifblankTF{#1}{%
+ \gdef\ltxkeys@everyeoehook{}%
+ }{%
+ \xdef\ltxkeys@everyeoehook{%
+ \unexpanded{#1}\expandcsonce\ltxkeys@everyeoehook
+ }%
+ }%
+ \ltxkeys@ifpattern\@ignoretrue\ltxkeys@everyeoehook{%
+ \ltxkeys@ifpattern\ignorespacesafterend\ltxkeys@everyeoehook{%
+ \ltxkeys@err{Bad '\string\ltxkeys@everyeoe'}
+ {You can't have both '\string\@ignoretrue' and
+ '\string\ignorespacesafterend' in
+ \MsgBrk '\string\ltxkeys@everyeoe'.}%
+ }{%
+ \ltxkeys@checkbadeoe\@ignoretrue
+ }%
+ }{%
+ \ltxkeys@ifpattern\ignorespacesafterend\ltxkeys@everyeoehook{%
+ \ltxkeys@checkbadeoe\ignorespacesafterend
+ }{}%
+ }%
+}
+\new@def*\ltxkeys@checkbadeoe#1{%
+ \begingroup
+ \edef\ltxkeys@tempa##1{\def##1####1\detokenize{#1}####2&}%
+ \ltxkeys@tempa\ltxkeys@tempa{%
+ \ifblankTF{##2}{}{%
+ \xifinsetTF{\detokenize{#1}}{##2}{%
+ \ltxkeys@err{'\detokenize{#1}' repeated in
+ '\string\ltxkeys@everyeoe'.}
+ {Multiple '\detokenize{#1}' not allowed in
+ '\string\ltxkeys@everyeoe'.}%
+ }{%
+ \ltxkeys@err{Bad last token in '\string\ltxkeys@everyeoe'}
+ {'\detokenize{#1}' not the last token in
+ '\string\ltxkeys@everyeoe'.}%
+ }%
+ }%
+ }%
+ \expandafter\ltxkeys@tempa\meaning\ltxkeys@everyeoehook&%
+ \endgroup
+}
+\ltxkeys@everyeoe\ignorespacesafterend
+
+\robust@def*\setvarvalues{\cpt@testopt\ltxkeys@setvarvalues{var@subfam}}
+\robust@def*\ltxkeys@setvarvalues[#1]#2{\pathkeys{pathkeys@var@fam/#1/set:#2}}
+\new@def*\getvarvalue{\cpt@newxtestopt\ltxkeys@getvarvalue{var@subfam}}
+\new@def*\ltxkeys@getvarvalue[#1]#2{\pathkeysval{pathkeys@var@fam/#1/#2}}
+\robust@def*\ltxkeys@declarevariables{%
+ \cpt@testopt\ltxkeys@d@clarevariables{var@subfam}%
+}
+\robust@def*\ltxkeys@d@clarevariables[#1]#2{%
+ \begingroup
+ \def\elt##1{\oifstrcmpTF{^?^}{##1}{}{/\expandcsonce##1}}%
+ \cptdocommalist{#2}{%
+ \ltxkeys@d@cl@revariables##1=^?^=^?^=\ltxkeys@nil
+ }%
+ \cptexpanded{\endgroup
+ \pathkeys{pathkeys@var@fam/#1/define*:\expandcsonce\key@list}%
+ }%
+}
+\robust@def*\ltxkeys@d@cl@revariables#1={%
+ \def\reserved@a##1={%
+ \def\reserved@a####1=####2\ltxkeys@nil{%
+ \ltxkeys@trimspaces{#1}\reserved@a
+ \ltxkeys@remdottrimspaces{##1}\reserved@b
+ \ltxkeys@remdottrimspaces{####1}\reserved@c
+ \cptexpanded{%
+ \cptgaddtolist[;]\noexpand\key@list{%
+ \cptexpandbracenext{\cptifcasse\ifstrcmpTF}\reserved@a
+ {true}{bool}{false}{bool}%
+ \elseif
+ cmd%
+ \endif
+ /\expandcsonce\reserved@a\elt\reserved@b\elt\reserved@c
+ }%
+ }%
+ }%
+ \reserved@a.%
+ }%
+ \reserved@a.%
+}
+\robust@def*\ltxkeys@emergencystop{%
+ \immediate\write\sixt@@n{OK, I'm exiting now.}%
+ \interactionmode\z@pt
+ \ifnumcmpTF\currentgrouptype>\z@pt{%
+ \endgroup\aftergroup\@@end
+ }{%
+ \aftergroup\@@end
+ }%
+}
+\robust@def*\ltxkeys@unknownoptionerror{%
+ \ltxkeys@err{Unknown option '\CurrentKey' for
+ \@cls@pkg\space '\@currname'}
+ {Unknown option '\CurrentKey' for \@cls@pkg\space '\@currname'.
+ \MsgBrk The option '\CurrentKey' was not declared in \@cls@pkg
+ \MsgBrk'\@currname'. Perhaps you misspelled its name.
+ }%
+}
+\cptonlypreamble{%
+ \ltxkeys@declareoption,\ltxkeys@declareoptions,
+ \ltxkeys@declareordoption,\ltxkeys@declareordoptions,
+ \ltxkeys@declarecmdoption,\ltxkeys@declarecmdoptions,
+ \ltxkeys@declarebooloption,\ltxkeys@declarebooloptions,
+ \ltxkeys@declarechoiceoption,\ltxkeys@declarechoiceoptions,
+ \ltxkeys@processoptions,\ltxkeys@executeoptions,
+ \ltxkeys@unknownoptionhandler,\ltxkeys@declaremultitypeoptions,
+ \declaremultitypeoptions
+}
+\ltxkeys@declareoption*[KV]<ltxkeys>{%
+ \ltxkeys@warn{Unknown option '\CurrentKey' with
+ value '\InnocentVal' ignored.}%
+}
+\ltxkeys@declarecmdoption[KV]<ltxkeys>[ltxkeys@]{keyparser}[{;}]{%
+ \ltxkeys@stripallouterbracesincs\ltxkeys@keyparser
+}
+\ltxkeys@declarecmdoption[KV]<ltxkeys>[ltxkeys@]{%
+ \needvalue{keydepthlimit}%
+}{%
+ \ifblankTF{#1}{%
+ \ltxkeys@err{Invalid empty value for 'keydepthlimit'}
+ \ltxkeys@ehd
+ }{%
+ \xdef\cpt@optionstacklimit{\number0#1}%
+ }%
+}
+\ltxkeys@declarecmdoption[KV]<ltxkeys>[ltxkeys@]{%
+ \needvalue{keystacklimit}%
+}{%
+ \ltxkeys@setaliaskey{keydepthlimit}%
+}
+\ltxkeys@declarebooloptions[KV]<ltxkeys>[ltxkeys@]{%
+ tracingkeys,reservenopath
+}[true]{}
+\ltxkeys@declarebooloption[KV]<ltxkeys>[ltxkeys@]{allowemptypath}[true]{%
+ \ifltxkeys@allowemptypath\ltxkeys@useemptytrue\fi
+}
+\ltxkeys@executeoptions[KV]<ltxkeys>{keyparser,keydepthlimit=4}\relax
+
+\ltxkeys@processoptions*[KV]<ltxkeys>\relax
+
+\cpt@optioncleanup\ltxkeys@processedoptions
+
+\robust@def*\setltxkeysoptions#1{%
+ \ifblankTF{#1}{}{\ltxkeys@setkeys[KV]{ltxkeys}{#1}}%
+}
+
+\endinput
+
+%% End of file ltxkeys.sty %%