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authorKarl Berry <karl@freefriends.org>2011-07-31 18:27:06 +0000
committerKarl Berry <karl@freefriends.org>2011-07-31 18:27:06 +0000
commitdac945b204407dae96f70ec228206516093156d7 (patch)
tree02ca182689947e45dec95e17ba08b503c959bd17 /Master/texmf-dist/tex/latex/l3kernel/l3quark.sty
parentc1840548792cfbc7c9f746da1d53d89b94406e72 (diff)
l3kernel (5jun11)
git-svn-id: svn://tug.org/texlive/trunk@23282 c570f23f-e606-0410-a88d-b1316a301751
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+%%
+%% This is file `l3quark.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% l3quark.dtx (with options: `package')
+%%
+%% EXPERIMENTAL CODE
+%%
+%% Do not distribute this file without also distributing the
+%% source files specified above.
+%%
+%% Do not distribute a modified version of this file.
+%%
+%% File: l3quark.dtx Copyright (C) 1990-2011 The LaTeX3 Project
+%%
+%% It may be distributed and/or modified under the conditions of the
+%% LaTeX Project Public License (LPPL), either version 1.3c of this
+%% license or (at your option) any later version. The latest version
+%% of this license is in the file
+%%
+%% http://www.latex-project.org/lppl.txt
+%%
+%% This file is part of the "expl3 bundle" (The Work in LPPL)
+%% and all files in that bundle must be distributed together.
+%%
+%% The released version of this bundle is available from CTAN.
+%%
+%% -----------------------------------------------------------------------
+%%
+%% The development version of the bundle can be found at
+%%
+%% http://www.latex-project.org/svnroot/experimental/trunk/
+%%
+%% for those people who are interested.
+%%
+%%%%%%%%%%%
+%% NOTE: %%
+%%%%%%%%%%%
+%%
+%% Snapshots taken from the repository represent work in progress and may
+%% not work or may contain conflicting material! We therefore ask
+%% people _not_ to put them into distributions, archives, etc. without
+%% prior consultation with the LaTeX3 Project.
+%%
+%% -----------------------------------------------------------------------
+\RequirePackage{l3names}
+\GetIdInfo$Id: l3quark.dtx 2478 2011-06-19 21:34:23Z joseph $
+ {L3 Experimental quarks}
+\ProvidesExplPackage
+ {\ExplFileName}{\ExplFileDate}{\ExplFileVersion}{\ExplFileDescription}
+\package_check_loaded_expl:
+\cs_new_protected_nopar:Npn \quark_new:N #1 { \tl_const:Nn #1 {#1} }
+\quark_new:N \q_nil
+\quark_new:N \q_mark
+\quark_new:N \q_no_value
+\quark_new:N \q_stop
+\quark_new:N \q_recursion_tail
+\quark_new:N \q_recursion_stop
+\cs_new:Npn \quark_if_recursion_tail_stop:N #1
+ {
+ \if_meaning:w #1 \q_recursion_tail
+ \exp_after:wN \use_none_delimit_by_q_recursion_stop:w
+ \fi:
+ }
+\cs_new:Npn \quark_if_recursion_tail_stop_do:Nn #1#2
+ {
+ \if_meaning:w #1 \q_recursion_tail
+ \exp_after:wN \use_i_delimit_by_q_recursion_stop:nw
+ \else:
+ \exp_after:wN \use_none:n
+ \fi:
+ {#2}
+ }
+\cs_new:Npn \quark_if_recursion_tail_stop:n #1
+ {
+ \if_catcode:w
+ A
+ \etex_detokenize:D \exp_after:wN
+ {
+ \quark_if_recursion_tail_aux:w #1 \q_recursion_stop
+ \q_recursion_tail \q_recursion_stop \q_stop
+ }
+ A
+ \exp_after:wN \use_none_delimit_by_q_recursion_stop:w
+ \fi:
+ }
+\cs_new:Npn \quark_if_recursion_tail_stop_do:nn #1#2
+ {
+ \if_catcode:w
+ A
+ \etex_detokenize:D \exp_after:wN
+ {
+ \quark_if_recursion_tail_aux:w #1 \q_recursion_stop
+ \q_recursion_tail \q_recursion_stop \q_stop
+ }
+ A
+ \exp_after:wN \use_i_delimit_by_q_recursion_stop:nw
+ \else:
+ \exp_after:wN \use_none:n
+ \fi:
+ {#2}
+ }
+\cs_new:Npn \quark_if_recursion_tail_aux:w
+ #1 \q_recursion_tail #2 \q_recursion_stop #3 \q_stop
+ { #1 #2 }
+\cs_generate_variant:Nn \quark_if_recursion_tail_stop:n { o }
+\cs_generate_variant:Nn \quark_if_recursion_tail_stop_do:nn { o }
+\prg_new_conditional:Nnn \quark_if_nil:N { p, T , F , TF }
+ {
+ \if_meaning:w \q_nil #1
+ \prg_return_true:
+ \else:
+ \prg_return_false:
+ \fi:
+ }
+\prg_new_conditional:Nnn \quark_if_no_value:N { p, T , F , TF }
+ {
+ \if_meaning:w \q_no_value #1
+ \prg_return_true:
+ \else:
+ \prg_return_false:
+ \fi:
+ }
+\cs_generate_variant:Nn \quark_if_no_value_p:N { c }
+\cs_generate_variant:Nn \quark_if_no_value:NT { c }
+\cs_generate_variant:Nn \quark_if_no_value:NF { c }
+\cs_generate_variant:Nn \quark_if_no_value:NTF { c }
+\prg_new_conditional:Nnn \quark_if_nil:n { p, T , F , TF }
+ {
+ \if_int_compare:w \pdftex_strcmp:D
+ { \exp_not:N \q_nil } { \exp_not:n {#1} } = \c_zero
+ \prg_return_true:
+ \else:
+ \prg_return_false:
+ \fi:
+ }
+\prg_new_conditional:Nnn \quark_if_no_value:n { p, T , F , TF }
+ {
+ \if_int_compare:w \pdftex_strcmp:D
+ { \exp_not:N \q_no_value } { \exp_not:n {#1} } = \c_zero
+ \prg_return_true:
+ \else:
+ \prg_return_false:
+ \fi:
+ }
+\cs_generate_variant:Nn \quark_if_nil_p:n { V , o }
+\cs_generate_variant:Nn \quark_if_nil:nTF { V , o }
+\cs_generate_variant:Nn \quark_if_nil:nT { V , o }
+\cs_generate_variant:Nn \quark_if_nil:nF { V , o }
+%%
+%%
+%% End of file `l3quark.sty'.