diff options
author | Norbert Preining <norbert@preining.info> | 2023-11-27 03:00:55 +0000 |
---|---|---|
committer | Norbert Preining <norbert@preining.info> | 2023-11-27 03:00:55 +0000 |
commit | c053caa3ee50538ec23a08c0d35a0ca205b9923d (patch) | |
tree | 32e5dc4189b700e7aad1c6515f68933a77a30be4 /macros/latex/contrib/hyperref/hyperref.dtx | |
parent | 0d14ad8d416e14dc61b009c524689462ace354d5 (diff) |
CTAN sync 202311270300
Diffstat (limited to 'macros/latex/contrib/hyperref/hyperref.dtx')
-rw-r--r-- | macros/latex/contrib/hyperref/hyperref.dtx | 618 |
1 files changed, 314 insertions, 304 deletions
diff --git a/macros/latex/contrib/hyperref/hyperref.dtx b/macros/latex/contrib/hyperref/hyperref.dtx index 94d6b909ff..34c1b805d8 100644 --- a/macros/latex/contrib/hyperref/hyperref.dtx +++ b/macros/latex/contrib/hyperref/hyperref.dtx @@ -51,7 +51,7 @@ %<puvnenc>\ProvidesFile{puvnenc.def} %<puarenc>\ProvidesFile{puarenc.def} %<psdextra>\ProvidesFile{psdextra.def} -%<!none&!packageEnd> [2023-11-09 v7.01f % +%<!none&!packageEnd> [2023-11-26 v7.01g % %<package> Hypertext links for LaTeX] %<nohyperref> Dummy hyperref (SR)] %<driver> Hyperref documentation driver file] @@ -592,13 +592,10 @@ % change 2020-07-24: require newer pdftexcmds and remove fallback code % for version older than 2010. % change 2021-08-14: require expl3 +% change 2023-11-26: no longer require pdftexcmds +% change 2023-11-26: no longer require expl3, we assume kernel is new enough. % \begin{macrocode} -\ifx\ExplSyntaxOn\undefined \RequirePackage{expl3}\fi -\RequirePackage{ltxcmds}[2010/11/12] \RequirePackage{iftex}[2019/10/24] -\RequirePackage{pdftexcmds}[2018/09/10] -% \end{macrocode} -% \begin{macrocode} \RequirePackage{infwarerr}[2010/04/08] \RequirePackage{keyval}[1997/11/10] \RequirePackage{kvsetkeys}[2007/09/29] @@ -609,16 +606,16 @@ \RequirePackage{auxhook}[2009/12/14] \RequirePackage{nameref}[2012/07/28] \RequirePackage{etoolbox} -\def\Hy@Error{\@PackageError{hyperref}} -\def\Hy@Warning{\@PackageWarning{hyperref}} -\def\Hy@WarningNoLine{\@PackageWarningNoLine{hyperref}} -\def\Hy@Info{\@PackageInfo{hyperref}} -\def\Hy@InfoNoLine{\@PackageInfoNoLine{hyperref}} +\def\Hy@Error{\PackageError{hyperref}} +\def\Hy@Warning{\PackageWarning{hyperref}} +\def\Hy@WarningNoLine{\PackageWarningNoLine{hyperref}} +\def\Hy@Info{\PackageInfo{hyperref}} +\def\Hy@InfoNoLine#1{\PackageInfo{hyperref}{#1\@gobble}} \def\Hy@Message#1{% \GenericWarning{% (hyperref)\@spaces\@spaces\@spaces\@spaces }{% - Package hyperref Message: #1\ltx@gobble + Package hyperref Message: #1\@gobble }% } % \end{macrocode} @@ -634,13 +631,13 @@ % \begin{macrocode} \def\Hy@VersionCheck#1{% \begingroup - \ltx@IfUndefined{ver@hyperref.sty}{% + \@ifundefined{ver@hyperref.sty}{% \Hy@Error{% This should not happen!\MessageBreak Missing hyperref version% }\@ehd }{% - \ltx@IfUndefined{ver@#1}{% + \@ifundefined{ver@#1}{% \Hy@Error{% This should not happen!\MessageBreak Missing version of `#1'% @@ -689,31 +686,33 @@ % \subsection{Checks with regular expressions} % % \begin{macrocode} -\ltx@IfUndefined{pdfmatch}{% +\edef\Hy@leftbracechar{\string{} +\edef\Hy@rightbracechar{\string}} +\@ifundefined{pdfmatch}{% \def\Hy@Match#1#2#3#4#5{}% }{% \def\Hy@Match#1#2#3{% \begingroup - \edef\^{\ltx@backslashchar\string^}% - \edef\.{\ltx@backslashchar.}% - \edef\[{\ltx@backslashchar[}% ]] - \edef\${\ltx@backslashchar$}% - \edef\({\ltx@backslashchar(}% - \edef\){\ltx@backslashchar)}% - \edef\|{\ltx@backslashchar|}% - \edef\*{\ltx@backslashchar*}% - \edef\+{\ltx@backslashchar+}% - \edef\?{\ltx@backslashchar?}% - \edef\{{\ltx@backslashchar\ltx@leftbracechar}% - \edef\}{\ltx@rightbracechar}% - \edef\\{\ltx@backslashchar\ltx@backslashchar}% - \let\ \ltx@space + \edef\^{\@backslashchar\string^}% + \edef\.{\@backslashchar.}% + \edef\[{\@backslashchar[}% ]] + \edef\${\@backslashchar$}% + \edef\({\@backslashchar(}% + \edef\){\@backslashchar)}% + \edef\|{\@backslashchar|}% + \edef\*{\@backslashchar*}% + \edef\+{\@backslashchar+}% + \edef\?{\@backslashchar?}% + \edef\{{\@backslashchar\Hy@leftbracechar}% + \edef\}{\Hy@rightbracechar}% + \edef\\{\@backslashchar\@backslashchar}% + \let\ \Hy@space \ifcase\pdfmatch#2{#3}{#1} % \endgroup - \expandafter\ltx@secondoftwo + \expandafter\@secondoftwo \or \endgroup - \expandafter\ltx@firstoftwo + \expandafter\@firstoftwo \else \Hy@Warning{% Internal error: Wrong pattern!\MessageBreak @@ -721,7 +720,7 @@ Pattern check ignored% }% \endgroup - \expandafter\ltx@firstoftwo + \expandafter\@firstoftwo \fi }% } @@ -755,26 +754,31 @@ % `kvoptions' has to perform its option cleanup. % Therefore we use a hook. % \begin{macrocode} +\ExplSyntaxOn +\let\Hy@LocalAppendToMacro\tl_put_right:Nn +\let\Hy@GlobalAppendToMacro\tl_gput_right:Nn +\let\Hy@ifempty\tl_if_empty:nTF +\ExplSyntaxOff \def\Hy@AtBeginDocument{% - \ltx@LocalAppendToMacro\Hy@AtBeginDocumentHook + \Hy@LocalAppendToMacro\Hy@AtBeginDocumentHook } % \end{macrocode} % \end{macro} % \begin{macro}{\Hy@AtEndOfPackage} % \begin{macrocode} \def\Hy@AtEndOfPackage{% - \ltx@LocalAppendToMacro\Hy@AtEndOfPackageHook + \Hy@LocalAppendToMacro\Hy@AtEndOfPackageHook } % \end{macrocode} % \end{macro} % \begin{macro}{\Hy@AtBeginDocumentHook} % \begin{macrocode} -\let\Hy@AtBeginDocumentHook\ltx@empty +\let\Hy@AtBeginDocumentHook\@empty % \end{macrocode} % \end{macro} % \begin{macro}{\Hy@AtEndOfPackageHook} % \begin{macrocode} -\let\Hy@AtEndOfPackageHook\ltx@empty +\let\Hy@AtEndOfPackageHook\@empty % \end{macrocode} % \end{macro} % Install the hook, before package `kvoptions' is loaded. @@ -912,18 +916,21 @@ % % \begin{macrocode} \newdimen\@linkdim -\let\Hy@driver\ltx@empty +\let\Hy@driver\@empty \let\MaybeStopEarly\relax \newcount\Hy@linkcounter \newcount\Hy@pagecounter \Hy@linkcounter0 \Hy@pagecounter0 +\def\Hy@space{ } % \end{macrocode} % % \subsection{Macros for recursions} % % \begin{macrocode} \let\Hy@ReturnEnd\@empty +\long\def\Hy@ReturnAfterFi#1\fi{\fi#1} +\long\def\Hy@ReturnAfterElseFi#1\else#2\fi{\fi#1} \long\def\Hy@ReturnAfterFiFiEnd#1\fi#2\Hy@ReturnEnd{\fi\fi#1} \long\def\Hy@ReturnAfterElseFiFiEnd#1\else#2\Hy@ReturnEnd{\fi\fi#1} % \end{macrocode} @@ -1189,7 +1196,7 @@ \let\P\textparagraph \let\ldots\textellipsis \let\dots\textellipsis - \ltx@IfUndefined{textEncodingNoboundary}% + \@ifundefined{textEncodingNoboundary}% {}{\let\noboundary\textEncodingNoboundary}% % \end{macrocode} % @@ -1336,7 +1343,7 @@ % \begin{macrocode} \let\foreignlanguage\@secondoftwo \let\textlatin\@firstofone - \ltx@IfUndefined{language@group}{}{% + \@ifundefined{language@group}{}{% \let\bbl@info\@gobble \csname HyPsd@babel@\language@group\endcsname }% @@ -1464,7 +1471,7 @@ % % \paragraph{Package xspace.} % \begin{macrocode} - \ltx@IfUndefined{@xspace}{% + \@ifundefined{@xspace}{% \let\xspace\HyPsd@ITALCORR }{% \let\xspace\HyPsd@XSPACE @@ -1767,7 +1774,7 @@ % the string gets an additional \cs{HyPsd@empty}. % \begin{macrocode} \expandafter\HyPsd@Subst\expandafter{\/}\HyPsd@empty#1% - \ltx@IfUndefined{@xspace}{% + \@ifundefined{@xspace}{% }{% \let\HyPsd@xspace\relax \expandafter\HyPsd@Subst\expandafter @@ -1859,7 +1866,7 @@ % % \begin{macrocode} \ifx\HyPsd@pdfencoding\HyPsd@pdfencoding@auto - \ltx@IfUndefined{StringEncodingConvertTest}{% + \@ifundefined{StringEncodingConvertTest}{% }{% \EdefUnescapeString\HyPsd@temp#1% \iftutex @@ -1926,9 +1933,9 @@ }% \Hy@AtEndOfPackage{% \pdfstringdefDisableCommands{% - \ltx@IfUndefined{oldb}{}{\let\b\oldb}% - \ltx@IfUndefined{oldc}{}{\let\c\oldc}% - \ltx@IfUndefined{oldd}{}{\let\d\oldd}% + \@ifundefined{oldb}{}{\let\b\oldb}% + \@ifundefined{oldc}{}{\let\c\oldc}% + \@ifundefined{oldd}{}{\let\d\oldd}% }% }% }{% @@ -2048,9 +2055,12 @@ % \end{macro} % \begin{macro}{\HyPsd@LoadExtra} % \begin{macrocode} +\def\Hy@iffileloaded#1{% + \@ifundefined{ver@#1}\@secondoftwo\@firstoftwo +} \def\HyPsd@LoadExtra{% \ifHy@psdextra - \ltx@iffileloaded{puenc.def}{% + \Hy@iffileloaded{puenc.def}{% \Hy@SaveCatcodeSettings{psdextra}% \input{psdextra.def}% \Hy@RestoreCatcodeSettings{psdextra}% @@ -2137,7 +2147,7 @@ % \begin{macro}{\HyPsd@DisableCommands} % \begin{macrocode} \long\def\HyPsd@DisableCommands#1{% - \ltx@GlobalAppendToMacro\pdfstringdefPreHook{#1}% + \Hy@GlobalAppendToMacro\pdfstringdefPreHook{#1}% \endgroup } % \end{macrocode} @@ -2234,7 +2244,7 @@ % \begin{macro}{\HyPsd@CJKhook} % \begin{macrocode} \def\HyPsd@CJKhook{% - \ltx@ifpackageloaded{CJK}{% + \@ifpackageloaded{CJK}{% \let\CJK@kern\relax \let\CJKkern\relax \let\CJK@CJK\relax @@ -2776,7 +2786,7 @@ % \subsubsection{Fix for AMS classes} % % \begin{macrocode} -\ltx@IfUndefined{tocsection}{% +\@ifundefined{tocsection}{% \let\HyPsd@AMSclassfix\relax }{% \def\HyPsd@AMSclassfix{% @@ -2954,8 +2964,8 @@ % \begin{macro}{\HyPsd@@autorefname} % \begin{macrocode} \def\HyPsd@@autorefname#1.#2\@nil{% - \ltx@IfUndefined{#1autorefname}{% - \ltx@IfUndefined{#1name}{% + \@ifundefined{#1autorefname}{% + \@ifundefined{#1name}{% }{% \csname#1name\endcsname\space }% @@ -3111,7 +3121,7 @@ % \begin{macrocode} \def\HyPsd@Warning#1{% \begingroup - \let\space\ltx@space + \let\space\Hy@space \Hy@Warning{#1}% \endgroup } @@ -3196,7 +3206,7 @@ % % Because the string is already expanded, the \cs{if} commands % should disappeared. So we can move some parts out -% of the argument of \cs{ltx@ReturnAfterFi}. +% of the argument of \cs{Hy@ReturnAfterFi}. % \begin{macrocode} \def\HyPsd@@RemoveBracesFi#1#2\HyPsd@End#3\fi{% \fi @@ -3256,7 +3266,7 @@ % comparison with \cs{ifcat}, see % \url{http://tracker.luatex.org/view.php?id=773}. % \begin{macrocode} -\ltx@IfUndefined{directlua}{% +\@ifundefined{directlua}{% }{% \expandafter\ifx\csname\endcsname\relax\fi } @@ -3287,7 +3297,7 @@ % \begin{macrocode} \begingroup \catcode`\Q=\active - \let Q\ltx@empty + \let Q\@empty \gdef\HyPsd@CheckCatcodes#1#2\HyPsd@End{% \global\let\HyPsd@Rest\relax \ifcat\relax\noexpand#1\relax @@ -3509,7 +3519,7 @@ }% \ifx\\#2\\% \else - \ltx@ReturnAfterFi{% + \Hy@ReturnAfterFi{% \HyPsd@GlyphProcessWarning#2\@empty }% \fi @@ -3601,12 +3611,12 @@ \lccode`\|=`\\% \lccode`\(=`\{% \lccode`\)=`\}% - \lccode`0=\ltx@zero - \lccode`1=\ltx@zero - \lccode`3=\ltx@zero - \lccode`4=\ltx@zero - \lccode`5=\ltx@zero - \lccode`7=\ltx@zero + \lccode`0=\z@ + \lccode`1=\z@ + \lccode`3=\z@ + \lccode`4=\z@ + \lccode`5=\z@ + \lccode`7=\z@ \lowercase{\endgroup \def\HyPsd@EscapeTeX#1{% \HyPsd@Subst!{|045}#1% @@ -3684,7 +3694,7 @@ |gdef|HyPsd@DoConvert#1{% |ifx#1|@empty |else - |ltx@ReturnAfterFi{% + |Hy@ReturnAfterFi{% |ifx#1\%% \%% |expandafter|HyPsd@DoEscape @@ -3703,7 +3713,7 @@ |ifx#19% |expandafter|HyPsd@GetTwoBytes |else - |ltx@ReturnAfterFi{% + |Hy@ReturnAfterFi{% |ifx#18% 00% |expandafter|HyPsd@GetTwoBytes @@ -3800,14 +3810,14 @@ % case in the new latex code, so we test for it. % \begin{macrocode} \ifcsname UTFviii@loop\endcsname - \def\HyPsd@expand@utfvii{% + \def\HyPsd@expand@utfviii {% \count@"C2 \@tempcnta"F5 \def\UTFviii@tmp{\expandafter\def\expandafter~\expandafter{~}}% \UTFviii@loop } \else - \def\HyPsd@expand@utfvii{} + \def\HyPsd@expand@utfviii {} \fi % \end{macrocode} % \end{macro} @@ -3833,7 +3843,7 @@ \lccode`\~=`^^f4\relax \lowercase{\endgroup \def\HyPsd@UTFviii{% - \HyPsd@expand@utfvii + \HyPsd@expand@utfviii \let\UTFviii@two@octets\HyPsd@UTFviii@two \let\UTFviii@three@octets\HyPsd@UTFviii@three \let\UTFviii@four@octets\HyPsd@UTFviii@four @@ -4086,9 +4096,9 @@ % \begin{macrocode} \def\HyPsd@DieFaceLarge#1!{% \ifnum#1>6 % - \expandafter\ltx@firstoftwo + \expandafter\@firstoftwo \else - \expandafter\ltx@secondoftwo + \expandafter\@secondoftwo \fi {% \9046\205% @@ -4159,7 +4169,7 @@ % \begin{macro}{\HyPsd@@ding} % \begin{macrocode} \def\HyPsd@@ding#1!{% - \ltx@ifundefined{HyPsd@ding@#1}{% + \@ifundefined{HyPsd@ding@#1}{% \ifnum#1<127 % \9047% \HyPsd@DecimalToOctalSecond{\IntCalcSub#1!32!}% @@ -4220,7 +4230,7 @@ % Added fix for version 2.1. Here \cmd{\sub@label} is defined. % \begin{macrocode} \@ifpackageloaded{subfigure}{% - \ltx@IfUndefined{sub@label}{% + \@ifundefined{sub@label}{% \Hy@hypertexnamesfalse }{% \renewcommand*{\sub@label}[1]{% @@ -4440,8 +4450,8 @@ % \begin{macro}{\IfHyperBooleanExists} % \begin{macrocode} \def\IfHyperBooleanExists#1{% - \ltx@ifundefined{Hy@#1false}\ltx@secondoftwo{% - \ltx@ifundefined{KV@Hyp@#1@default}\ltx@secondoftwo\ltx@firstoftwo + \@ifundefined{Hy@#1false}\@secondoftwo{% + \@ifundefined{KV@Hyp@#1@default}\@secondoftwo\@firstoftwo }% } % \end{macrocode} @@ -4455,11 +4465,11 @@ \def\IfHyperBoolean#1{% \IfHyperBooleanExists{#1}{% \csname ifHy@#1\endcsname - \expandafter\ltx@firstoftwo + \expandafter\@firstoftwo \else - \expandafter\ltx@secondoftwo + \expandafter\@secondoftwo \fi - }\ltx@secondoftwo + }\@secondoftwo } % \end{macrocode} % \end{macro} @@ -4505,7 +4515,7 @@ % \begin{macro}{\Hy@DisableOption} % \begin{macrocode} \def\Hy@DisableOption#1{% - \ltx@ifundefined{KV@Hyp@#1@default}{% + \@ifundefined{KV@Hyp@#1@default}{% \define@key{Hyp}{#1}% }{% \define@key{Hyp}{#1}[]% @@ -4914,7 +4924,7 @@ % % \begin{macrocode} \newif\ifHy@DviMode -\let\Hy@DviErrMsg\ltx@empty +\let\Hy@DviErrMsg\@empty \ifpdf \def\Hy@DviErrMsg{pdfTeX or LuaTeX is running in PDF mode}% \else @@ -4934,13 +4944,13 @@ \fi \def\HyOpt@CheckDvi#1{% \ifHy@DviMode - \expandafter\ltx@firstofone + \expandafter\@firstofone \else \Hy@Error{% Wrong DVI mode driver option `#1',\MessageBreak because \Hy@DviErrMsg }\@ehc - \expandafter\ltx@gobble + \expandafter\@gobble \fi } % \end{macrocode} @@ -5134,7 +5144,7 @@ % \end{macrocode} % % \begin{macrocode} -\let\HyOpt@DriverFallback\ltx@empty +\let\HyOpt@DriverFallback\@empty \define@key{Hyp}{driverfallback}{% \ifHy@DviMode \def\HyOpt@DriverFallback{#1}% @@ -5146,14 +5156,14 @@ Invalid driver `#1' for option\MessageBreak `driverfallback'% }% - \let\HyOpt@DriverFallback\ltx@empty + \let\HyOpt@DriverFallback\@empty }% \fi } % \end{macrocode} % % \begin{macrocode} -\let\HyOpt@CustomDriver\ltx@empty +\let\HyOpt@CustomDriver\@empty \define@key{Hyp}{customdriver}{% \IfFileExists{#1.def}{% \def\HyOpt@CustomDriver{#1}% @@ -5822,7 +5832,7 @@ \def\Hy@colorlink##1{\begingroup}% \def\Hy@endcolorlink{\endgroup}% \def\@pdfborder{0 0 0}% - \let\@pdfborderstyle\ltx@empty + \let\@pdfborderstyle\@empty } \define@key{Hyp}{ocgcolorlinks}[true]{% \Hy@boolkey{ocgcolorlinks}{#1}% @@ -6024,7 +6034,7 @@ of option `pdfpageduration'\MessageBreak is replaced by an empty value% }% - \let\@pdfpageduration\ltx@empty + \let\@pdfpageduration\@empty }% } % \end{macrocode} @@ -6421,7 +6431,7 @@ \x \fi } -\global\let\HyInfo@AddonList\ltx@empty +\global\let\HyInfo@AddonList\@empty % \end{macrocode} % \begin{macrocode} \define@key{Hyp}{pdfview}{\calculate@pdfview#1 \\} @@ -6440,14 +6450,14 @@ }% \define@key{Hyp}{pdfstartpage}{% \ifx\\#1\\% - \let\@pdfstartpage\ltx@empty + \let\@pdfstartpage\@empty \else \edef\@pdfstartpage{\Hy@number{#1}}% \fi }% \define@key{Hyp}{pdfstartview}{% \ifx\\#1\\% - \let\@pdfstartview\ltx@empty + \let\@pdfstartview\@empty \else \def\@pdfstartview{/#1}% \fi @@ -6549,7 +6559,7 @@ \fi \ifx\@pdflang\relax \else - \ifx\@pdflang\ltx@empty + \ifx\@pdflang\@empty \else % \end{macrocode} % Test according to ABNF of RFC 3066. @@ -6612,7 +6622,7 @@ }% }{}% \Hy@Match\Hy@temp{icase}{% - (-[a-wyz0-9]-).*\ltx@backslashchar1% + (-[a-wyz0-9]-).*\@backslashchar1% }{% \Hy@Warning{% Invalid language identifier `#1'\MessageBreak @@ -6683,20 +6693,20 @@ \def\@runbordercolor{0 .7 .7} \def\@citebordercolor{0 1 0} \def\@pdfhighlight{/I} -\let\@pdftitle\ltx@empty -\let\@pdfauthor\ltx@empty +\let\@pdftitle\@empty +\let\@pdfauthor\@empty \let\@pdfproducer\relax \def\@pdfcreator{LaTeX with hyperref} -\let\@pdfcreationdate\ltx@empty -\let\@pdfmoddate\ltx@empty -\let\@pdfsubject\ltx@empty -\let\@pdfkeywords\ltx@empty -\let\@pdftrapped\ltx@empty -\let\@pdfpagescrop\ltx@empty +\let\@pdfcreationdate\@empty +\let\@pdfmoddate\@empty +\let\@pdfsubject\@empty +\let\@pdfkeywords\@empty +\let\@pdftrapped\@empty +\let\@pdfpagescrop\@empty \def\@pdfstartview{/Fit} \def\@pdfremotestartview{/Fit} \def\@pdfstartpage{1} -\let\@pdfprintpagerange\ltx@empty +\let\@pdfprintpagerange\@empty \let\@pdflang\relax \let\PDF@SetupDoc\@empty \let\PDF@FinishDoc\@empty @@ -6759,21 +6769,21 @@ \@ifpackageloaded{tex4ht}{% \PassOptionsToPackage{tex4ht}{hyperref}% }{% - \ltx@IfUndefined{HCode}{% + \@ifundefined{HCode}{% }{% \begingroup \def\Hy@pkg{tex4ht}% \def\Hy@temp@A#1\RequirePackage[#2]#3#4\Hy@NIL{% \def\Hy@param{#2#3}% - \ifx\Hy@param\ltx@empty - \expandafter\ltx@gobble + \ifx\Hy@param\@empty + \expandafter\@gobble \else \def\Hy@param{#3}% \ifx\Hy@param\Hy@pkg \PassOptionsToPackage{#2}{tex4ht}% \expandafter\expandafter\expandafter\@gobble \else - \expandafter\expandafter\expandafter\ltx@firstofone + \expandafter\expandafter\expandafter\@firstofone \fi \fi {\Hy@temp@A#4\Hy@NIL}% @@ -6798,12 +6808,12 @@ % % \begin{macrocode} \def\Hy@xspace@end{} -\ltx@IfUndefined{xspaceaddexceptions}{% +\@ifundefined{xspaceaddexceptions}{% \Hy@AtBeginDocument{% - \ltx@IfUndefined{xspaceaddexceptions}{% + \@ifundefined{xspaceaddexceptions}{% }{% \def\Hy@xspace@end{% - \ltx@gobble{end for xspace}% + \@gobble{end for xspace}% }% \xspaceaddexceptions{% \Hy@xspace@end,\hyper@linkend,\hyper@anchorend @@ -6812,7 +6822,7 @@ }% }{% \def\Hy@xspace@end{% - \ltx@gobble{end for xspace}% + \@gobble{end for xspace}% }% \xspaceaddexceptions{\Hy@xspace@end,\hyper@linkend,\hyper@anchorend}% } @@ -7100,8 +7110,8 @@ % If the driver is not given, find the right driver or % use the default driver. % \begin{macrocode} - \let\HyOpt@DriverType\ltx@empty - \ifx\HyOpt@CustomDriver\ltx@empty + \let\HyOpt@DriverType\@empty + \ifx\HyOpt@CustomDriver\@empty \ifx\Hy@driver\@empty \def\HyOpt@DriverType{ (autodetected)}% \providecommand*{\Hy@defaultdriver}{hdvips}% @@ -7135,7 +7145,7 @@ \ifnum\ifvtex\OpMode\else\m@ne\fi=\tw@ \def\Hy@driver{hvtex}% \else - \ifx\HyOpt@DriverFallback\ltx@empty + \ifx\HyOpt@DriverFallback\@empty \let\Hy@driver\Hy@defaultdriver \def\HyOpt@DriverType{ (default)}% \else @@ -7145,7 +7155,7 @@ \noexpand\kvsetkeys{Hyp}{\the\toks@}% }% \x - \ifx\Hy@driver\ltx@empty + \ifx\Hy@driver\@empty \let\Hy@driver\Hy@defaultdriver \def\HyOpt@DriverType{ (default)}% \else @@ -7246,7 +7256,7 @@ \def\@pdfpagemode{UseOutlines}% \fi \else - \let\@bookmarkopenstatus\ltx@gobble + \let\@bookmarkopenstatus\@gobble \Hy@Info{Bookmarks OFF}% \Hy@AtEndOfPackage{% \global\let\ReadBookmarks\relax @@ -7262,7 +7272,7 @@ % Add wrapper for setting standard catcodes (babel's shorthands). % \begin{macrocode} \def\Hy@CatcodeWrapper#1{% - \let\Hy@EndWrap\ltx@empty + \let\Hy@EndWrap\@empty \def\TMP@EnsureCode##1##2{% \edef\Hy@EndWrap{% \Hy@EndWrap @@ -7447,11 +7457,11 @@ \gdef\hyper@n@rmalise#1#2{^^A \def\Hy@tempa{#2}^^A \ifx\Hy@tempa\Hy@ActiveCarriageReturn - \ltx@ReturnAfterElseFi{^^A + \Hy@ReturnAfterElseFi{^^A \hyper@@normalise{#1}^^A }^^A \else - \ltx@ReturnAfterFi{^^A + \Hy@ReturnAfterFi{^^A \hyper@@normalise{#1}{#2}^^A }^^A \fi @@ -7467,7 +7477,7 @@ #1^^A \ifx\limits#2\limits \else - \ltx@ReturnAfterFi{^^A + \Hy@ReturnAfterFi{^^A \Hy@RemovePercentCr #2\@nil }^^A \fi @@ -7610,7 +7620,7 @@ % \begin{macrocode} \newif\ifHy@href@ismap \define@key{href}{ismap}[true]{% - \ltx@IfUndefined{Hy@href@ismap#1}{% + \@ifundefined{Hy@href@ismap#1}{% \Hy@Error{% Invalid value (#1) for key `ismap'.\MessageBreak Permitted values are `true' or `false'.\MessageBreak @@ -7886,18 +7896,18 @@ % #3: destination name % #4: text \def\hyper@link@[#1]#2#3#4{% - \ltx@ifempty{#4}{% link text + \Hy@ifempty{#4}{% link text \Hy@Warning{Suppressing empty link}% }{% \begingroup \protected@edef\Hy@tempa{#2}% \edef\Hy@tempb{#3}% - \ifx\Hy@tempa\ltx@empty - \ifx\Hy@tempb\ltx@empty + \ifx\Hy@tempa\@empty + \ifx\Hy@tempb\@empty \Hy@Warning{Suppressing link with empty target}% \toks@{% \endgroup - \ltx@secondoftwo + \@secondoftwo }% \else \toks@{% @@ -8059,9 +8069,9 @@ \expandafter\def\expandafter\z\expandafter##\expandafter1\y##2\@nil{% \endgroup \ifx\relax##2\relax - \expandafter\ltx@secondoftwo + \expandafter\@secondoftwo \else - \expandafter\ltx@firstoftwo + \expandafter\@firstoftwo \fi }% \expandafter\expandafter\expandafter\z\expandafter\x\y\@nil @@ -8136,7 +8146,7 @@ \fi \let\anchor@spot\@empty } -\let\anchor@spot\ltx@empty +\let\anchor@spot\@empty % \end{macrocode} % % \section{Option `destlabel'} @@ -8167,7 +8177,7 @@ % \begin{macro}{\Hy@DestRename} % \begin{macrocode} \newcommand*{\Hy@DestRename}[2]{% - \ltx@IfUndefined{HyDL!#1}{% + \@ifundefined{HyDL!#1}{% \begingroup \Hy@safe@activestrue \edef\dest@name{#1}% @@ -8176,7 +8186,7 @@ \Hy@IsNotEmpty{dest@name}{% \Hy@IsNotEmpty{label@name}{% \global\expandafter - \let\csname HyDL!#1\endcsname\ltx@empty + \let\csname HyDL!#1\endcsname\@empty \if@filesw \protected@write\@auxout{}{% \string\hyper@newdestlabel @@ -8206,18 +8216,18 @@ % \begin{macro}{\Hy@IsNotEmpty} % \begin{macrocode} \def\Hy@IsNotEmpty#1{% - \ltx@IfUndefined{#1}\ltx@gobble{% - \expandafter\ifx\csname#1\endcsname\ltx@empty - \expandafter\ltx@gobble + \@ifundefined{#1}\@gobble{% + \expandafter\ifx\csname#1\endcsname\@empty + \expandafter\@gobble \else - \expandafter\ltx@firstofone + \expandafter\@firstofone \fi }% }% % \end{macrocode} % \end{macro} % \begin{macrocode} - \ltx@GlobalAppendToMacro\label@hook{% + \Hy@GlobalAppendToMacro\label@hook{% \HyperDestRename\@currentHref\label@name }% % \end{macrocode} @@ -8225,7 +8235,7 @@ % \begin{macro}{\HyperDestLabelReplace} % \begin{macrocode} \def\HyperDestLabelReplace#1{% - \ltx@ifundefined{HyDL@#1}{% + \@ifundefined{HyDL@#1}{% #1% }{% \csname HyDL@#1\endcsname @@ -8244,17 +8254,17 @@ % \end{macrocode} % \begin{macro}{\hyper@newdestlabel} % \begin{macrocode} - \let\hyper@newdestlabel\ltx@gobbletwo + \let\hyper@newdestlabel\@gobbletwo % \end{macrocode} % \end{macro} % \begin{macro}{\HyperDestLabelReplace} % \begin{macrocode} - \let\HyperDestLabelReplace\ltx@firstofone + \let\HyperDestLabelReplace\@firstofone % \end{macrocode} % \end{macro} % \begin{macro}{\HyperDestRename} % \begin{macrocode} - \let\HyperDestRename\ltx@gobbletwo + \let\HyperDestRename\@gobbletwo % \end{macrocode} % \end{macro} % \begin{macrocode} @@ -8590,7 +8600,7 @@ \fi \HyField@PrintFlags{Submit}{submit button field}% \bitsetIsEmpty{HyField@Submit}{% - \let\Fld@submitflags\ltx@empty + \let\Fld@submitflags\@empty }{% \edef\Fld@submitflags{/Flags \bitsetGetDec{HyField@Submit}}% }% @@ -8615,7 +8625,7 @@ \HyField@UseFlag{F}{LockedContents}% \HyField@PrintFlags{F}{#1}% \bitsetIsEmpty{HyField@F}{% - \let\Fld@annotflags\ltx@empty + \let\Fld@annotflags\@empty }{% \edef\Fld@annotflags{/F \bitsetGetDec{HyField@F}}% }% @@ -8636,7 +8646,7 @@ \HyField@SetFlag{Ff}{Pushbutton}% \HyField@PrintFlags{Ff}{push button field}% \bitsetIsEmpty{HyField@Ff}{% - \let\Fld@flags\ltx@empty + \let\Fld@flags\@empty }{% \edef\Fld@flags{/Ff \bitsetGetDec{HyField@Ff}}% }% @@ -8656,7 +8666,7 @@ \HyField@UseFlag{Ff}{NoExport}% \HyField@PrintFlags{Ff}{check box field}% \bitsetIsEmpty{HyField@Ff}{% - \let\Fld@flags\ltx@empty + \let\Fld@flags\@empty }{% \edef\Fld@flags{/Ff \bitsetGetDec{HyField@Ff}}% }% @@ -8679,7 +8689,7 @@ \HyField@UseFlag{Ff}{RadiosInUnison}% \HyField@PrintFlags{Ff}{radio button field}% \bitsetIsEmpty{HyField@Ff}{% - \let\Fld@flags\ltx@empty + \let\Fld@flags\@empty }{% \edef\Fld@flags{/Ff \bitsetGetDec{HyField@Ff}}% }% @@ -8718,7 +8728,7 @@ \HyField@UseFlag{Ff}{RichText}% \HyField@PrintFlags{Ff}{text field}% \bitsetIsEmpty{HyField@Ff}{% - \let\Fld@flags\ltx@empty + \let\Fld@flags\@empty }{% \edef\Fld@flags{/Ff \bitsetGetDec{HyField@Ff}}% }% @@ -8750,7 +8760,7 @@ \HyField@UseFlag{Ff}{CommitOnSelChange}% \HyField@PrintFlags{Ff}{choice field}% \bitsetIsEmpty{HyField@Ff}{% - \let\Fld@flags\ltx@empty + \let\Fld@flags\@empty }{% \edef\Fld@flags{/Ff \bitsetGetDec{HyField@Ff}}% }% @@ -8768,8 +8778,8 @@ % \begin{macrocode} \def\HyField@PDFChoices#1{% \begingroup - \global\let\Fld@choices\ltx@empty - \let\HyTmp@optlist\ltx@empty + \global\let\Fld@choices\@empty + \let\HyTmp@optlist\@empty \let\HyTmp@optitem\relax \count@=0 % \kv@parse{#1}{% @@ -9111,7 +9121,7 @@ \Fld@DingDef\Fld@radiosymbol{#1}% } \def\Fld@DingDef#1#2{% - \let\Fld@temp\ltx@empty + \let\Fld@temp\@empty \Fld@@DingDef#2\ding{}\@nil \let#1\Fld@temp } @@ -9155,17 +9165,17 @@ } % \end{macrocode} % \begin{macrocode} -\let\Fld@onclick@code\ltx@empty -\let\Fld@format@code\ltx@empty -\let\Fld@validate@code\ltx@empty -\let\Fld@calculate@code\ltx@empty -\let\Fld@keystroke@code\ltx@empty -\let\Fld@onfocus@code\ltx@empty -\let\Fld@onblur@code\ltx@empty -\let\Fld@onmousedown@code\ltx@empty -\let\Fld@onmouseup@code\ltx@empty -\let\Fld@onenter@code\ltx@empty -\let\Fld@onexit@code\ltx@empty +\let\Fld@onclick@code\@empty +\let\Fld@format@code\@empty +\let\Fld@validate@code\@empty +\let\Fld@calculate@code\@empty +\let\Fld@keystroke@code\@empty +\let\Fld@onfocus@code\@empty +\let\Fld@onblur@code\@empty +\let\Fld@onmousedown@code\@empty +\let\Fld@onmouseup@code\@empty +\let\Fld@onenter@code\@empty +\let\Fld@onexit@code\@empty \def\Hy@temp#1{% \expandafter\Hy@@temp\csname Fld@#1@code\endcsname{#1}% } @@ -9192,7 +9202,7 @@ \Hy@temp{onexit} % \end{macrocode} % \begin{macrocode} -\let\Fld@calculate@sortkey\ltx@empty +\let\Fld@calculate@sortkey\@empty \define@key{Field}{calculatesortkey}[1]{% \def\Fld@calculate@sortkey{#1}% } @@ -9432,10 +9442,10 @@ \def\hyper@@anchor##1##2{##2\Hy@xspace@end}% \global\let\hyper@livelink\hyper@link \gdef\hyper@link##1##2##3{##3\Hy@xspace@end}% - \let\hyper@anchor\ltx@gobble - \let\hyper@anchorstart\ltx@gobble + \let\hyper@anchor\@gobble + \let\hyper@anchorstart\@gobble \def\hyper@anchorend{\Hy@xspace@end}% - \let\hyper@linkstart\ltx@gobbletwo + \let\hyper@linkstart\@gobbletwo \def\hyper@linkend{\Hy@xspace@end}% \def\hyper@linkurl##1##2{##1\Hy@xspace@end}% \def\hyper@linkfile##1##2##3{##1\Hy@xspace@end}% @@ -9444,12 +9454,12 @@ \def\stop@hyper{% \def\hyper@link@[##1]##2##3##4{##4\Hy@xspace@end}% \let\Hy@backout\@gobble - \let\hyper@@anchor\ltx@gobble + \let\hyper@@anchor\@gobble \def\hyper@link##1##2##3{##3\Hy@xspace@end}% - \let\hyper@anchor\ltx@gobble - \let\hyper@anchorstart\ltx@gobble + \let\hyper@anchor\@gobble + \let\hyper@anchorstart\@gobble \def\hyper@anchorend{\Hy@xspace@end}% - \let\hyper@linkstart\ltx@gobbletwo + \let\hyper@linkstart\@gobbletwo \def\hyper@linkend{\Hy@xspace@end}% \def\hyper@linkurl##1##2{##1\Hy@xspace@end}% \def\hyper@linkfile##1##2##3{##1\Hy@xspace@end}% @@ -9567,7 +9577,7 @@ \string\gdef\string\HyperFirstAtBeginDocument\string#1{\string#1}% }% \fi - \let\HyperFirstAtBeginDocument\ltx@firstofone + \let\HyperFirstAtBeginDocument\@firstofone % \end{macrocode} % % Now the code to deal with adding the hyperref package to a document @@ -9659,7 +9669,7 @@ % % \begin{macrocode} \def\Hy@UseMaketitleString#1{% - \ltx@IfUndefined{Hy@#1}{}{% + \@ifundefined{Hy@#1}{}{% \begingroup \let\Hy@saved@hook\pdfstringdefPreHook \pdfstringdefDisableCommands{% @@ -9692,12 +9702,12 @@ % % \begin{macrocode} \RequirePackage{atbegshi}[2007/09/09] -\let\Hy@EveryPageHook\ltx@empty -\let\Hy@EveryPageBoxHook\ltx@empty -\let\Hy@FirstPageHook\ltx@empty +\let\Hy@EveryPageHook\@empty +\let\Hy@EveryPageBoxHook\@empty +\let\Hy@FirstPageHook\@empty \AtBeginShipout{% \Hy@EveryPageHook - \ifx\Hy@EveryPageBoxHook\ltx@empty + \ifx\Hy@EveryPageBoxHook\@empty \else \setbox\AtBeginShipoutBox=\vbox{% \offinterlineskip @@ -9706,10 +9716,10 @@ }% \fi } -\ltx@iffileloaded{hpdftex.def}{% +\Hy@iffileloaded{hpdftex.def}{% \AtBeginShipout{% \Hy@FirstPageHook - \global\let\Hy@FirstPageHook\ltx@empty + \global\let\Hy@FirstPageHook\@empty }% }{% \AtBeginShipoutFirst{% @@ -9718,7 +9728,7 @@ } \g@addto@macro\Hy@FirstPageHook{% \PDF@FinishDoc - \global\let\PDF@FinishDoc\ltx@empty + \global\let\PDF@FinishDoc\@empty } % \end{macrocode} % @@ -9754,7 +9764,7 @@ % The page labels are collected in \cmd{\HyPL@Labels} and % set at the end of the document. % \begin{macrocode} - \let\HyPL@Labels\ltx@empty + \let\HyPL@Labels\@empty % \end{macrocode} % \end{macro} % \begin{macro}{\Hy@abspage} @@ -9770,7 +9780,7 @@ % \begin{macrocode} \def\HyPL@LastType{init}% \def\HyPL@LastNumber{0}% - \let\HyPL@LastPrefix\ltx@empty + \let\HyPL@LastPrefix\@empty % \end{macrocode} % Definitions for the PDF names of the \LaTeX{} pendents. % \begin{macrocode} @@ -9782,18 +9792,18 @@ % \end{macrocode} % % \begin{macrocode} - \let\HyPL@SlidesSetPage\ltx@empty - \ltx@ifclassloaded{slides}{% + \let\HyPL@SlidesSetPage\@empty + \@ifclassloaded{slides}{% \def\HyPL@SlidesSetPage{% - \advance\c@page\ltx@one - \ifnum\value{page}>\ltx@one + \advance\c@page\@ne + \ifnum\value{page}>\@ne \protected@edef\HyPL@SlidesOptionalPage{% \Hy@SlidesFormatOptionalPage{\thepage}% }% \else - \let\HyPL@SlidesOptionalPage\ltx@empty + \let\HyPL@SlidesOptionalPage\@empty \fi - \advance\c@page-\ltx@one + \advance\c@page-\@ne \def\HyPL@page{% \csname the\Hy@SlidesPage\endcsname \HyPL@SlidesOptionalPage @@ -9818,7 +9828,7 @@ \fi \let\HyPL@Type\relax \ifnum\c@page>0 % - \ifx\HyPL@SlidesSetPage\ltx@empty + \ifx\HyPL@SlidesSetPage\@empty \expandafter\HyPL@CheckThePage\HyPL@page\@nil \fi \fi @@ -10017,7 +10027,7 @@ % \begin{macrocode} %<*pdftex> \pdf@ifdraftmode{% - \let\Hy@PutCatalog\ltx@gobble + \let\Hy@PutCatalog\@gobble }{% \let\Hy@PutCatalog\pdfcatalog } @@ -10313,7 +10323,7 @@ \Hy@CounterExists{part}{% \providecommand\theHpart{\arabic{part}}% } -\ltx@IfUndefined{thechapter}{% +\@ifundefined{thechapter}{% \providecommand\theHsection {\arabic{section}}% \providecommand\theHfigure {\arabic{figure}}% \providecommand\theHtable {\arabic{table}}% @@ -10445,7 +10455,7 @@ \@ifundefined{theH#1}{% \expandafter\def\csname theH#1\endcsname{}% \def\Hy@temp{\@elt{#1}}% - \ltx@onelevel@sanitize\Hy@temp + \@onelevel@sanitize\Hy@temp \let\HyOrg@elt\@elt \edef\@elt{% \noexpand\HyCnt@LookForParentCounter @@ -10454,7 +10464,7 @@ \cl@@ckpt \let\@elt\HyOrg@elt \expandafter - \ltx@LocalAppendToMacro\csname theH#1\expandafter\endcsname + \Hy@LocalAppendToMacro\csname theH#1\expandafter\endcsname \expandafter{% \expandafter\@arabic\csname c@#1\endcsname }% @@ -10466,20 +10476,20 @@ % \begin{macrocode} \def\HyCnt@LookForParentCounter#1#2{% \expandafter\let\expandafter\Hy@temp@A\csname cl@#2\endcsname - \ltx@IfUndefined{cl@#2}{% + \@ifundefined{cl@#2}{% }{% - \ltx@onelevel@sanitize\Hy@temp@A + \@onelevel@sanitize\Hy@temp@A \edef\Hy@temp@A{% \noexpand\in@{\Hy@temp}{\Hy@temp@A}% }\Hy@temp@A \ifin@ - \ltx@IfUndefined{theH#2}{% - \expandafter\ltx@LocalAppendToMacro\expandafter#1% + \@ifundefined{theH#2}{% + \expandafter\Hy@LocalAppendToMacro\expandafter#1% \expandafter{% \expandafter\@arabic\csname c@#2\endcsname.% }% }{% - \expandafter\ltx@LocalAppendToMacro\expandafter#1% + \expandafter\Hy@LocalAppendToMacro\expandafter#1% \expandafter{% \csname theH#2\endcsname.% }% @@ -10508,7 +10518,7 @@ \fi \def\Hy@appendixstring{appendix} \def\Hy@chapapp{\Hy@chapterstring} -\ltx@IfUndefined{appendix}{% +\@ifundefined{appendix}{% }{% \let\HyOrg@appendix\appendix \def\Hy@AlphNoErr#1{% @@ -10523,7 +10533,7 @@ \fi }% \def\appendix{% - \ltx@IfUndefined{chapter}{% + \@ifundefined{chapter}{% \gdef\theHsection{\Hy@AlphNoErr{section}}% }{% \gdef\theHchapter{\Hy@AlphNoErr{chapter}}% @@ -10818,7 +10828,7 @@ \let\refstepcounter\new@refstepcounter }% \def\endequation{% - \ifx\Hy@raisedlink\ltx@empty + \ifx\Hy@raisedlink\@empty \hyper@anchorend \else \mathclose{\Hy@raisedlink{\hyper@anchorend}}% @@ -10877,7 +10887,7 @@ % Then again, we have the \emph{subeqnarray} % package. Tanmoy provided some code for this: % \begin{macrocode} -\ltx@IfUndefined{subeqnarray}{}{% +\@ifundefined{subeqnarray}{}{% \let\H@subeqnarray\subeqnarray \let\H@endsubeqnarray\endsubeqnarray \def\subeqnarray{% @@ -11067,9 +11077,9 @@ \long\def\@mpfootnotetext#1{% \H@@mpfootnotetext{% \ifHy@nesting - \expandafter\ltx@firstoftwo + \expandafter\@firstoftwo \else - \expandafter\ltx@secondoftwo + \expandafter\@secondoftwo \fi {% \expandafter\hyper@@anchor\expandafter{% @@ -11087,9 +11097,9 @@ \long\def\@footnotetext#1{% \H@@footnotetext{% \ifHy@nesting - \expandafter\ltx@firstoftwo + \expandafter\@firstoftwo \else - \expandafter\ltx@secondoftwo + \expandafter\@secondoftwo \fi {% \expandafter\hyper@@anchor\expandafter{% @@ -11507,7 +11517,7 @@ % \begin{macrocode} \@ifundefined{hyper@nopatch@bib} {% - \ltx@IfUndefined{NAT@parse}{% + \@ifundefined{NAT@parse}{% \providecommand*\@extra@binfo{}% \providecommand*\@extra@b@citeb{}% \def\bibcite#1#2{% @@ -11783,12 +11793,12 @@ \def\@currentHpage{Doc-Start} % \end{macrocode} % \begin{macrocode} -\ltx@ifclassloaded{slides}{% +\@ifclassloaded{slides}{% \def\Hy@SlidesFormatOptionalPage#1{(#1)}% \def\Hy@PageAnchorSlidesPlain{% - \advance\c@page\ltx@one + \advance\c@page\@ne \xdef\@currentHpage{page.\the\c@slide.\the\c@overlay.\the\c@note% - \ifnum\c@page=\ltx@one + \ifnum\c@page=\@ne \else .\the\c@page \fi}% @@ -11797,12 +11807,12 @@ \@currentHpage }% }% - \advance\c@page-\ltx@one + \advance\c@page-\@ne }% \def\Hy@PageAnchorSlide{% - \advance\c@page\ltx@one - \ifnum\c@page>\ltx@one - \ltx@IfUndefined{theHpage}{% + \advance\c@page\@ne + \ifnum\c@page>\@ne + \@ifundefined{theHpage}{% \protected@edef\Hy@TheSlideOptionalPage{% \Hy@SlidesFormatOptionalPage{\thepage}% }% @@ -11814,16 +11824,16 @@ \else \def\Hy@TheSlideOptionalPage{}% \fi - \advance\c@page-\ltx@one + \advance\c@page-\@ne \pdfstringdef\@the@H@page{% \csname the% - \ltx@ifundefined{theH\Hy@SlidesPage}{}{H}% + \@ifundefined{theH\Hy@SlidesPage}{}{H}% \Hy@SlidesPage \endcsname \Hy@TheSlideOptionalPage }% - \ltx@gobblethree + \@gobblethree }% \def\Hy@SlidesPage{slide}% \g@addto@macro\slide{% @@ -11972,7 +11982,7 @@ \edef\x{\endgroup \def\noexpand\Hy@tocdestname{#4}% }\x - \ifx\Hy@tocdestname\ltx@empty + \ifx\Hy@tocdestname\@empty \csname l@#1\endcsname{#2}{#3}% \else \ifcase\Hy@linktoc % none @@ -11983,7 +11993,7 @@ }{#3}% \or % page \def\Hy@temp{#3}% - \ifx\Hy@temp\ltx@empty + \ifx\Hy@temp\@empty \csname l@#1\endcsname{#2}{#3}% \else \csname l@#1\endcsname{{#2}}{% @@ -11992,7 +12002,7 @@ \fi \else % all \def\Hy@temp{#3}% - \ifx\Hy@temp\ltx@empty + \ifx\Hy@temp\@empty \csname l@#1\endcsname{% \Hy@toclinkstart{#2}\Hy@toclinkend }{}% @@ -12275,8 +12285,8 @@ \ifx\\#3\\% \ifx\Hy@temp@A\HyInd@ParenRight \HyInd@DefKey{#1}% - \ltx@IfUndefined{HyInd@(\HyInd@key)}{% - \let\Hy@temp\ltx@empty + \@ifundefined{HyInd@(\HyInd@key)}{% + \let\Hy@temp\@empty }{% \expandafter\let\expandafter\Hy@temp \csname HyInd@(\HyInd@key)\endcsname @@ -12314,7 +12324,7 @@ \begingroup \let\protect\@unexpandable@protect \edef\Hy@temp{#1}% - \ltx@onelevel@sanitize\Hy@temp + \@onelevel@sanitize\Hy@temp \global\let\HyInd@key\Hy@temp \endgroup }% @@ -12346,7 +12356,7 @@ \def\Hy@temp{#3}% \ifx\Hy@temp\@empty \else - \ltx@ReturnAfterFi{% + \Hy@ReturnAfterFi{% \HyInd@hyperpage#3\@nil }% \fi @@ -12388,7 +12398,7 @@ \hyperlink{page.\the\toks@}{\the\toks@}% \fi \else - \ltx@ReturnAfterFi{% + \Hy@ReturnAfterFi{% \HyInd@removespaces#2\@nil }% \fi @@ -12562,8 +12572,8 @@ \hyperref[{#1}]{\HyRef@autopagerefname\pageref*{#1}}% } \def\HyRef@autopagerefname{% - \ltx@IfUndefined{pageautorefname}{% - \ltx@IfUndefined{pagename}{% + \@ifundefined{pageautorefname}{% + \@ifundefined{pagename}{% \Hy@Warning{No autoref name for `page'}% }{% \pagename\nobreakspace @@ -12611,11 +12621,11 @@ \fi } \def\HyRef@testreftype#1.#2\\{% - \ltx@IfUndefined{#1autorefname}{% - \ltx@IfUndefined{#1name}{% + \@ifundefined{#1autorefname}{% + \@ifundefined{#1name}{% \HyRef@StripStar#1\\*\\\@nil{#1}% - \ltx@IfUndefined{\HyRef@name autorefname}{% - \ltx@IfUndefined{\HyRef@name name}{% + \@ifundefined{\HyRef@name autorefname}{% + \@ifundefined{\HyRef@name name}{% \def\HyRef@currentHtag{}% \Hy@Warning{No autoref name for `#1'}% }{% @@ -12741,7 +12751,7 @@ |ifx|\#2|\%% |else \\% - |ltx@ReturnAfterFi{% + |Hy@ReturnAfterFi{% |Hy@ExchangeBackslash#2|@nil }% |fi @@ -12752,7 +12762,7 @@ \ifx\\#2\\% \else \@backslashchar(% - \ltx@ReturnAfterFi{% + \Hy@ReturnAfterFi{% \Hy@ExchangeLeftParenthesis#2\@nil }% \fi @@ -12762,7 +12772,7 @@ \ifx\\#2\\% \else \@backslashchar)% - \ltx@ReturnAfterFi{% + \Hy@ReturnAfterFi{% \Hy@ExchangeRightParenthesis#2\@nil }% \fi @@ -12811,7 +12821,7 @@ \fi \ifHy@setpdfversion \ifnum\Hy@pdf@majorminor@version<105 % - \ltx@IfUndefined{pdfobjcompresslevel}{% + \@ifundefined{pdfobjcompresslevel}{% }{% \ifHy@verbose \Hy@InfoNoLine{% @@ -12821,19 +12831,19 @@ \Hy@pdf@majorversion.\Hy@pdf@minorversion }% \fi - \pdfobjcompresslevel=\ltx@zero + \pdfobjcompresslevel=\z@ }% \fi \ifnum\Hy@pdfmajorminor@version=\Hy@pdf@majorminor@version\relax \else - \let\Hy@temp\ltx@empty + \let\Hy@temp\@empty \def\Hy@temp@A#1#2{% - \ifnum#1>\ltx@zero + \ifnum#1>\z@ \edef\Hy@temp{% \Hy@temp \space\space \the#1\space #2% - \ifnum#1=\ltx@one\else s\fi + \ifnum#1=\@ne\else s\fi \MessageBreak }% \fi @@ -12842,15 +12852,15 @@ \Hy@temp@A\pdflastxform{form XObject}% \Hy@temp@A\pdflastximage{image XObject}% \Hy@temp@A\pdflastannot{annotation}% - \ltx@IfUndefined{pdflastlink}{% + \@ifundefined{pdflastlink}{% }{% \Hy@temp@A\pdflastlink{link}% }% - \ifx\Hy@temp\ltx@empty + \ifx\Hy@temp\@empty \Hy@pdfmajorversion=\Hy@pdf@majorversion\relax \Hy@pdfminorversion=\Hy@pdf@minorversion\relax \else - \let\Hy@temp@A\ltx@empty + \let\Hy@temp@A\@empty \ifnum\Hy@pdf@majorminor@version=104 % \IfFileExists{pdf14.sty}{% \def\Hy@temp@A{% @@ -12873,7 +12883,7 @@ \expandafter\string\Hy@pdfminorversion=\Hy@pdf@minorversion \string\relax \ifnum\Hy@pdf@majorminor@version<105 % - \ltx@ifundefined{pdfobjcompresslevel}{% + \@ifundefined{pdfobjcompresslevel}{% }{% \MessageBreak \space\space @@ -13099,7 +13109,7 @@ } \def\hyper@linkstart#1#2{% \Hy@VerboseLinkStart{#1}{#2}% - \ltx@IfUndefined{@#1bordercolor}{% + \@ifundefined{@#1bordercolor}{% \let\CurrentBorderColor\relax }{% \edef\CurrentBorderColor{\csname @#1bordercolor\endcsname}% @@ -13109,7 +13119,7 @@ \def\hyper@linkend{\close@pdflink} \def\hyper@link#1#2#3{% \Hy@VerboseLinkStart{#1}{#2}% - \ltx@IfUndefined{@#1bordercolor}{% + \@ifundefined{@#1bordercolor}{% \let\CurrentBorderColor\relax }{% \edef\CurrentBorderColor{\csname @#1bordercolor\endcsname}% @@ -13613,7 +13623,7 @@ % \begin{macrocode} %<*hypertex> \providecommand*{\XR@ext}{dvi} -\let\PDF@FinishDoc\ltx@empty +\let\PDF@FinishDoc\@empty \def\PDF@SetupDoc{% \ifx\@baseurl\@empty \else @@ -14600,7 +14610,7 @@ \providecommand*{\XR@ext}{htm} \RequirePackage{vtexhtml} \newif\if@Localurl -\let\PDF@FinishDoc\ltx@empty +\let\PDF@FinishDoc\@empty \def\PDF@SetupDoc{% \ifx\@baseurl\@empty \else @@ -14687,7 +14697,7 @@ \def\@Form[#1]{% \Hy@Message{Sorry, TeXpider does not yet support FORMs}% } -\let\@endForm\ltx@empty +\let\@endForm\@empty \def\@Gauge[#1]#2#3#4{% parameters, label, minimum, maximum \Hy@Message{Sorry, TeXpider does not yet support FORM gauges}% } @@ -14790,7 +14800,7 @@ \Hy@VerboseLinkStart{#1}{#2}% \Hy@pstringdef\Hy@pstringURI{#2}% \expandafter\Hy@colorlink\csname @#1color\endcsname - \ltx@IfUndefined{@#1bordercolor}{% + \@ifundefined{@#1bordercolor}{% \let\CurrentBorderColor\relax }{% \edef\CurrentBorderColor{% @@ -14893,7 +14903,7 @@ } \def\hyper@link#1#2#3{% \Hy@VerboseLinkStart{#1}{#2}% - \ltx@IfUndefined{@#1bordercolor}{% + \@ifundefined{@#1bordercolor}{% \let\CurrentBorderColor\relax }{% \edef\CurrentBorderColor{\csname @#1bordercolor\endcsname}% @@ -15472,7 +15482,7 @@ \endgroup \Hy@RestoreLastskip } -\ltx@IfUndefined{hyper@anchorstart}{}{\endinput} +\@ifundefined{hyper@anchorstart}{}{\endinput} \Hy@WrapperDef\hyper@anchorstart#1{% \Hy@SaveLastskip \Hy@VerboseAnchor{#1}% @@ -15500,7 +15510,7 @@ \ifmmode \def\Hy@LinkMath{$}% \else - \let\Hy@LinkMath\ltx@empty + \let\Hy@LinkMath\@empty \fi \Hy@SaveSpaceFactor \hbox\bgroup @@ -15515,7 +15525,7 @@ } \def\hyper@linkend{% \literalps@out{\strip@pt@and@otherjunk\baselineskip\space H.L}% - \ltx@IfUndefined{@\hyper@currentlinktype bordercolor}{% + \@ifundefined{@\hyper@currentlinktype bordercolor}{% \let\Hy@tempcolor\relax }{% \edef\Hy@tempcolor{% @@ -15614,7 +15624,7 @@ \def\Hy@undefinedname{UNDEFINED} \def\hyper@link#1#2#3{% \Hy@VerboseLinkStart{#1}{#2}% - \ltx@IfUndefined{@#1bordercolor}{% + \@ifundefined{@#1bordercolor}{% \let\Hy@tempcolor\relax }{% \edef\Hy@tempcolor{\csname @#1bordercolor\endcsname}% @@ -15789,7 +15799,7 @@ \edef\@processme{\noexpand\pdf@toks={\the\pdf@defaulttoks}}% \@processme \let\pdf@type\relax - \let\pdf@objdef\ltx@empty + \let\pdf@objdef\@empty \kvsetkeys{PDF}{#2}% \ifHy@pdfmarkerror \else @@ -15803,14 +15813,14 @@ \ifx\\#1\\% \literalps@out{% [% - \ifx\pdf@objdef\ltx@empty + \ifx\pdf@objdef\@empty \else /_objdef\string{\pdf@objdef\string}% \fi \the\pdf@toks\space\pdf@type\space pdfmark% }% \else - \ltx@IfUndefined{@\pdf@linktype color}{% + \@ifundefined{@\pdf@linktype color}{% \Hy@colorlink\@linkcolor }{% \expandafter\Hy@colorlink @@ -15819,7 +15829,7 @@ \pdf@rect{#1}% \literalps@out{% [% - \ifx\pdf@objdef\ltx@empty + \ifx\pdf@objdef\@empty \else /_objdef\string{\pdf@objdef\string}% \fi @@ -15855,7 +15865,7 @@ \begingroup \chardef\x=1 % \def\Hy@temp{#1}% - \ifx\Hy@temp\ltx@empty + \ifx\Hy@temp\@empty \chardef\x=0 % \else \def\y{\anchor@spot}% @@ -15876,7 +15886,7 @@ \ifmmode \def\Hy@LinkMath{$}% \else - \let\Hy@LinkMath\ltx@empty + \let\Hy@LinkMath\@empty \fi \ifHy@breaklinks \Hy@setouterhbox\pdf@box{% @@ -15965,7 +15975,7 @@ \def\pdf@linktype{link} % named object? \define@key{PDF}{objdef}{\edef\pdf@objdef{#1}} -\let\pdf@objdef\ltx@empty +\let\pdf@objdef\@empty % parameter is a stream of PDF \define@key{PDF}{Raw}{\pdf@addtoksx{#1}} % parameter is a name @@ -16255,7 +16265,7 @@ % \begin{macrocode} %<*dvips> \providecommand*{\XR@ext}{pdf} -\let\Hy@raisedlink\ltx@empty +\let\Hy@raisedlink\@empty \def\literalps@out#1{\special{ps:SDict begin #1 end}}% \def\headerps@out#1{\special{! #1}}% \input{pdfmark.def}% @@ -16430,7 +16440,7 @@ % \begin{macrocode} %<*vtexpdfmark> \providecommand*{\XR@ext}{pdf} -\let\Hy@raisedlink\ltx@empty +\let\Hy@raisedlink\@empty \def\literalps@out#1{\special{pS:#1}}% \def\headerps@out#1{\immediate\special{pS:#1}}% \input{pdfmark.def}% @@ -16818,7 +16828,7 @@ % |\special| commands. %<*dvipsone> \providecommand*{\XR@ext}{pdf} -\let\Hy@raisedlink\ltx@empty +\let\Hy@raisedlink\@empty \providecommand*\@pdfborder{0 0 1} \providecommand*\@pdfborderstyle{} \def\literalps@out#1{\special{ps:#1}}% @@ -17018,14 +17028,14 @@ % \begin{macrocode} %<*tex4ht> \providecommand*{\XR@ext}{html} -\let\Hy@raisedlink\ltx@empty +\let\Hy@raisedlink\@empty \@ifpackageloaded{tex4ht}{% \Hy@InfoNoLine{tex4ht is already loaded}% }{% \RequirePackage[htex4ht]{tex4ht}% } \hyperlinkfileprefix{} -\let\PDF@FinishDoc\ltx@empty +\let\PDF@FinishDoc\@empty \def\PDF@SetupDoc{% \ifx\@baseurl\@empty \else @@ -17135,7 +17145,7 @@ \ifx \rEfLiNK \UnDef \def\rEfLiNK #1#2{#2}% \fi -\let\backref\ltx@gobble +\let\backref\@gobble % \end{macrocode} % Fix for tex4ht. % \begin{macrocode} @@ -17361,7 +17371,7 @@ }}% \kvsetkeys{Form}{#1}% } -\let\@endForm\ltx@empty +\let\@endForm\@empty \def\@Gauge[#1]#2#3#4{% parameters, label, minimum, maximum \Hy@Message{Sorry, pdfmark drivers do not support FORM gauges}% } @@ -17388,7 +17398,7 @@ \string{#1\HyField@TheAnnotCount\string}% }% }% - \ifx\Fld@calculate@code\ltx@empty + \ifx\Fld@calculate@code\@empty \else \pdfmark{% pdfmark=/APPEND,% @@ -17403,7 +17413,7 @@ % \begin{macrocode} \def\@TextField[#1]#2{% parameters, label \def\Fld@name{#2}% - \let\Fld@default\ltx@empty + \let\Fld@default\@empty \let\Fld@value\@empty \def\Fld@width{\DefaultWidthofText}% \def\Fld@height{% @@ -17648,7 +17658,7 @@ \def\@Form[#1]{% \Hy@Message{Sorry, HyperTeX does not support FORMs}% } -\let\@endForm\ltx@empty +\let\@endForm\@empty \def\@Gauge[#1]#2#3#4{% parameters, label, minimum, maximum \Hy@Message{Sorry, HyperTeX does not support FORM gauges}% } @@ -17686,7 +17696,7 @@ \def\@TextField[#1]#2{% parameters, label \let\Hy@reserved@a\@empty \def\Fld@name{#2}% - \let\Fld@default\ltx@empty + \let\Fld@default\@empty \bgroup \Field@toks={ }% \kvsetkeys{Field}{#1}% @@ -17733,7 +17743,7 @@ } \def\@ChoiceMenu[#1]#2#3{% parameters, label, choices \def\Fld@name{#2}% - \let\Fld@default\ltx@empty + \let\Fld@default\@empty \let\Hy@reserved@a\relax \begingroup \expandafter\Fld@findlength#3\\% @@ -17831,8 +17841,8 @@ }% % \hbox to 0pt{\hskip-\maxdimen{\pdfrefxform \the\pdflastxform}}% }% -\let\HyField@afields\ltx@empty -\let\HyField@cofields\ltx@empty +\let\HyField@afields\@empty +\let\HyField@cofields\@empty \@ifundefined{pdflastlink} {% \let\HyField@AddToFields\relax @@ -17844,8 +17854,8 @@ but other PDF viewers might complain% }}% {% - \let\HyField@AuxAddToFields\ltx@gobble - \let\HyField@AuxAddToCoFields\ltx@gobbletwo + \let\HyField@AuxAddToFields\@gobble + \let\HyField@AuxAddToCoFields\@gobbletwo \def\HyField@AfterAuxOpen{\Hy@AtBeginDocument}% % \end{macrocode} % Insertion sort for calculation field list. @@ -17855,31 +17865,31 @@ \def\HyField@ABD@AuxAddToCoFields#1#2{% \begingroup \Hy@safe@activestrue - \let\ltx@secondoftwo\relax - \ifx\HyField@cofields\ltx@empty + \let\@secondoftwo\relax + \ifx\HyField@cofields\@empty \xdef\HyField@cofields{% - \ltx@secondoftwo{#1}{ #2 0 R}% + \@secondoftwo{#1}{ #2 0 R}% }% \else - \let\ltx@secondoftwo\relax + \let\@secondoftwo\relax \def\HyField@AddCoField##1##2##3{% - \ifx##1\ltx@empty - \ltx@secondoftwo{#1}{ #2 0 R}% - \expandafter\ltx@gobble + \ifx##1\@empty + \@secondoftwo{#1}{ #2 0 R}% + \expandafter\@gobble \else - \ifnum\pdfstrcmp{##2}{#1}>\ltx@zero - \ltx@secondoftwo{#1}{ #2 0 R}% - \ltx@secondoftwo{##2}{##3}% - \expandafter\expandafter\expandafter\ltx@gobble + \ifnum\pdfstrcmp{##2}{#1}>\z@ + \@secondoftwo{#1}{ #2 0 R}% + \@secondoftwo{##2}{##3}% + \expandafter\expandafter\expandafter\@gobble \else - \ltx@secondoftwo{##2}{##3}% + \@secondoftwo{##2}{##3}% \fi \fi \HyField@AddCoField }% \xdef\HyField@cofields{% \expandafter\HyField@AddCoField - \HyField@cofields\ltx@empty\ltx@empty\ltx@empty + \HyField@cofields\@empty\@empty\@empty }% \fi \endgroup @@ -17910,7 +17920,7 @@ \expandafter\HyField@@AddToFields\expandafter{% \the\pdflastlink }% - \ifx\Fld@calculate@code\ltx@empty + \ifx\Fld@calculate@code\@empty \else \begingroup \Hy@safe@activestrue @@ -17953,7 +17963,7 @@ \immediate\pdfobj{% <<% /Fields[\HyField@afields]% - \ifx\HyField@cofields\ltx@empty + \ifx\HyField@cofields\@empty \else /CO[\romannumeral-`\Q\HyField@cofields]% \fi @@ -17996,18 +18006,18 @@ \fbox{\textcolor{yellow}{\textsf{SubmitP}}}% }{SubmitP}% } -\let\@endForm\ltx@empty +\let\@endForm\@empty % \end{macrocode} % \begin{macrocode} -\let\HyAnn@AbsPageLabel\ltx@empty -\let\Fld@pageobjref\ltx@empty -\ltx@IfUndefined{pdfpageref}{% +\let\HyAnn@AbsPageLabel\@empty +\let\Fld@pageobjref\@empty +\@ifundefined{pdfpageref}{% }{% - \ltx@ifpackageloaded{zref-abspage}{% + \@ifpackageloaded{zref-abspage}{% \newcount\HyAnn@Count - \HyAnn@Count=\ltx@zero + \HyAnn@Count=\z@ \def\HyAnn@AbsPageLabel{% - \global\advance\HyAnn@Count by\ltx@one + \global\advance\HyAnn@Count by\@ne \zref@labelbyprops{HyAnn@\the\HyAnn@Count}{abspage}% \zref@refused{HyAnn@\the\HyAnn@Count}% }% @@ -18029,7 +18039,7 @@ % \begin{macrocode} \def\@TextField[#1]#2{% parameters, label \def\Fld@name{#2}% - \let\Fld@default\ltx@empty + \let\Fld@default\@empty \let\Fld@value\@empty \def\Fld@width{\DefaultWidthofText}% \def\Fld@height{% @@ -18379,7 +18389,7 @@ % \end{macro} % \begin{macro}{\@endForm} % \begin{macrocode} -\let\@endForm\ltx@empty +\let\@endForm\@empty % \end{macrocode} % \end{macro} % @@ -18426,7 +18436,7 @@ % \begin{macrocode} \def\HyField@AddToFields#1{% \@pdfm@mark{put @afields @#1\HyField@TheAnnotCount}% - \ifx\Fld@calculate@code\ltx@empty + \ifx\Fld@calculate@code\@empty \else \@pdfm@mark{put @corder @#1\HyField@TheAnnotCount}% \fi @@ -18438,7 +18448,7 @@ % \begin{macrocode} \def\@TextField[#1]#2{% parameters, label \def\Fld@name{#2}% - \let\Fld@default\ltx@empty + \let\Fld@default\@empty \let\Fld@value\@empty \def\Fld@width{\DefaultWidthofText}% \def\Fld@height{% @@ -18847,7 +18857,7 @@ \else \expandafter \Hy@pstringdef\csname Hy@esc@\string#2\endcsname{#2}% - \ltx@ReturnAfterFi{% + \Hy@ReturnAfterFi{% \Hy@@escapeform#3\@nil }% \fi @@ -19427,9 +19437,9 @@ \def\HyPsd@SanitizeOut@BraceLeft#1(#2\@nil{% #1% \ifx\\#2\\% - \expandafter\ltx@gobble + \expandafter\@gobble \else - \expandafter\ltx@firstofone + \expandafter\@firstofone \fi {% \string\173% @@ -19439,9 +19449,9 @@ \def\HyPsd@SanitizeOut@BraceRight#1)#2\@nil{% #1% \ifx\\#2\\% - \expandafter\ltx@gobble + \expandafter\@gobble \else - \expandafter\ltx@firstofone + \expandafter\@firstofone \fi {% \string\175% @@ -19792,7 +19802,7 @@ % is not executed, so there will be no destination for \cmd{addcontentsline}. % So \cmd{\@chapter} is overloaded to avoid this: % \begin{macrocode} -\ltx@IfUndefined{@chapter}{}{% +\@ifundefined{@chapter}{}{% \let\Hy@org@chapter\@chapter \def\@chapter{% \def\Hy@next{% @@ -19802,7 +19812,7 @@ }% }% \ifnum\c@secnumdepth>\m@ne - \ltx@IfUndefined{if@mainmatter}% + \@ifundefined{if@mainmatter}% \iftrue{\csname if@mainmatter\endcsname}% \let\Hy@next\relax \fi @@ -22152,7 +22162,7 @@ \DeclareTextCommand{\cyrabhha}{PU}{\84\251}% U+04A9 % U+04AA CYRILLIC CAPITAL LETTER ES WITH DESCENDER; Esdescendercyrillic \DeclareTextCommand{\CYRSDSC}{PU}{\84\252}% U+04AA -\DeclareTextCompositeCommand{\CYRSDSC}{PU}{\CYRS}{\84\252}% U+04AA +\DeclareTextCompositeCommand{\k}{PU}{\CYRS}{\84\252}% U+04AA % U+04AB CYRILLIC SMALL LETTER ES WITH DESCENDER; esdescendercyrillic \DeclareTextCommand{\cyrsdsc}{PU}{\84\253}% U+04AB \DeclareTextCompositeCommand{\k}{PU}{\cyrs}{\84\253}% U+04AB |