components/tactics/doc/ligature.sty

   1 %%
   2 %% This is file `ligature.sty',
   3 %% generated with the docstrip utility.
   4 %%
   5 %% The original source files were:
   6 %%
   7 %% semantic.dtx  (with options: `allOptions,ligature')
   8 %%
   9 %% IMPORTANT NOTICE:
  10 %%
  11 %% For the copyright see the source file.
  12 %%
  13 %% Any modified versions of this file must be renamed
  14 %% with new filenames distinct from ligature.sty.
  15 %%
  16 %% For distribution of the original source see the terms
  17 %% for copying and modification in the file semantic.dtx.
  18 %%
  19 %% This generated file may be distributed as long as the
  20 %% original source files, as listed above, are part of the
  21 %% same distribution. (The sources need not necessarily be
  22 %% in the same archive or directory.)
  23 %%
  24 %% semantic.dtx  (c)1995--2002 Peter M^^f8ller Neergaard and
  25 %%                             Arne John Glenstrup
  26 %%
  27 \expandafter\ifx\csname sem@nticsLoader\endcsname\relax
  28   \PackageError{semantic}{%
  29     This file should not be loaded directly}
  30     {%
  31       This file is an option of the semantic package.  It should not be
  32         loaded directly\MessageBreak
  33       but by using \protect\usepackage{semantic} in your document
  34         preamble.\MessageBreak
  35       No commands are defined.\MessageBreak
  36      Type <return> to proceed.
  37     }%
  38 \else
  39 \TestForConflict{\@addligto,\@addligtofollowlist,\@def@ligstep}
  40 \TestForConflict{\@@trymathlig,\@defactive,\@defligstep}
  41 \TestForConflict{\@definemathlig,\@domathligfirsts,\@domathligfollows}
  42 \TestForConflict{\@exitmathlig,\@firstmathligs,\@ifactive,\@ifcharacter}
  43 \TestForConflict{\@ifinlist,\@lastvalidmathlig,\@mathliglink}
  44 \TestForConflict{\@mathligredefactive,\@mathligsoff,\@mathligson}
  45 \TestForConflict{\@seentoks,\@setupfirstligchar,\@try@mathlig}
  46 \TestForConflict{\@trymathlig,\if@mathligon,\mathlig,\mathligprotect}
  47 \TestForConflict{\mathligsoff,\mathligson,\@startmathlig,\@pushedtoks}
  48 \newif\if@mathligon
  49 \DeclareRobustCommand\mathlig[1]{\@addligtolists#1\@@
  50   \if@mathligon\mathligson\fi
  51   \@setupfirstligchar#1\@@
  52   \@defligstep{}#1\@@}
  53 \def\@mathligson{\if@mathligon\mathligson\fi}
  54 \def\@mathligsoff{\if@mathligon\mathligsoff\@mathligontrue\fi}
  55 \DeclareRobustCommand\mathligprotect[1]{\expandafter
  56   \def\expandafter#1\expandafter{%
  57     \expandafter\@mathligsoff#1\@mathligson}}
  58 \DeclareRobustCommand\mathligson{\def\do##1##2##3{\mathcode`##1="8000}%
  59   \@domathligfirsts\@mathligontrue}
  60 \AtBeginDocument{\mathligson}
  61 \DeclareRobustCommand\mathligsoff{\def\do##1##2##3{\mathcode`##1=##2}%
  62   \@domathligfirsts\@mathligonfalse}
  63 \edef\@mathliglink{Error: \noexpand\verb|\string\@mathliglink| expanded}
  64 {\catcode`\A=11\catcode`\1=12\catcode`\~=13 % Letter, Other and Active
  65 \gdef\@ifcharacter#1{\ifcat A\noexpand#1\let\next\@firstoftwo
  66                 \else\ifcat 1\noexpand#1\let\next\@firstoftwo
  67                 \else\ifcat \noexpand~\noexpand#1\let\next\@firstoftwo
  68                 \else\let\next\@secondoftwo\fi\fi\fi\next}%
  69 \gdef\@ifactive#1{\ifcat \noexpand~\noexpand#1\let\next\@firstoftwo
  70                   \else\let\next\@secondoftwo\fi\next}}
  71 \def\@domathligfollows{}\def\@domathligfirsts{}
  72 \def\@makemathligsactive{\mathligson
  73   \def\do##1##2##3{\catcode`##1=12}\@domathligfollows}
  74 \def\@makemathligsnormal{\mathligsoff
  75   \def\do##1##2##3{\catcode`##1=##3}\@domathligfollows}
  76 \def\@ifinlist#1#2{\@tempswafalse
  77   \def\do##1##2##3{\ifnum`##1=`#2\relax\@tempswatrue\fi}#1%
  78   \if@tempswa\let\next\@firstoftwo\else\let\next\@secondoftwo\fi\next}
  79 \def\@addligto#1#2{%
  80   \@ifinlist#1#2{\def\do##1##2##3{\noexpand\do\noexpand##1%
  81       \ifnum`##1=`#2 {\the\mathcode`#2}{\the\catcode`#2}%
  82       \else{##2}{##3}\fi}%
  83     \edef#1{#1}}%
  84   {\def\do##1##2##3{\noexpand\do\noexpand##1%
  85       \ifnum`##1=`#2 {\the\mathcode`#2}{\the\catcode`#2}%
  86       \else{##2}{##3}\fi}%
  87     \edef#1{#1\do#2{\the\mathcode`#2}{\the\catcode`#2}}}}
  88 \def\@addligtolists#1{\expandafter\@addligto
  89   \expandafter\@domathligfirsts
  90   \csname\string#1\endcsname\@addligtofollowlist}
  91 \def\@addligtofollowlist#1{\ifx#1\@@\let\next\relax\else
  92   \def\next{\expandafter\@addligto
  93     \expandafter\@domathligfollows
  94     \csname\string#1\endcsname
  95     \@addligtofollowlist}\fi\next}
  96 \def\@defligstep#1#2{\def\@tempa##1{\ifx##1\endcsname
  97     \expandafter\endcsname\else
  98     \string##1\expandafter\@tempa\fi}%
  99   \expandafter\@def@ligstep\csname @mathlig\@tempa#1#2\endcsname{#1#2}}
 100 \def\@def@ligstep#1#2#3{%
 101   \ifx#3\@@
 102     \def\next{\def#1}%
 103   \else
 104     \ifx#1\relax
 105       \def\next{\let#1\@mathliglink\@defligstep{#2}#3}%
 106     \else
 107       \def\next{\@defligstep{#2}#3}%
 108     \fi
 109   \fi\next}
 110 \def\@setupfirstligchar#1#2\@@{%
 111   \@ifactive{#1}{%
 112     \expandafter\expandafter\expandafter\@mathligredefactive
 113     \expandafter\string\expandafter#1\expandafter{#1}{#1}}%
 114   {\@defactive#1{\@startmathlig #1}\@namedef{@mathlig#1}{#1}}}
 115 \def\@mathligredefactive#1#2#3{%
 116   \def#3{{}\ifmmode\def\next{\@startmathlig#1}\else
 117     \def\next{#2}\fi\next}%
 118   \@namedef{@mathlig#1}{#2}}
 119 \def\@defactive#1{\@ifundefined{@definemathlig\string#1}%
 120   {\@latex@error{Illegal first character in math ligature}
 121     {You can only use \@firstmathligs\space as the first^^J
 122       character of a math ligature}}%
 123   {\csname @definemathlig\string#1\endcsname}}
 124
 125 {\def\@firstmathligs{}\def\do#1{\catcode`#1=\active
 126     \expandafter\gdef\expandafter\@firstmathligs
 127     \expandafter{\@firstmathligs\space\string#1}\next}
 128   \def\next#1{\expandafter\gdef\csname
 129     @definemathlig\string#1\endcsname{\def#1}}
 130   \do{"}"\do{@}@\do{/}/\do{(}(\do{)})\do{[}[\do{]}]\do{=}=
 131   \do{?}?\do{!}!\do{`}`\do{'}'\do{|}|\do{~}~\do{<}<\do{>}>
 132   \do{+}+\do{-}-\do{*}*\do{.}.\do{,},\do{:}:\do{;};}
 133 \newtoks\@pushedtoks
 134 \newtoks\@seentoks
 135 \def\@startmathlig{\def\@lastvalidmathlig{}\@pushedtoks{}%
 136   \@seentoks{}\@trymathlig}
 137 \def\@trymathlig{\futurelet\next\@@trymathlig}
 138 \def\@@trymathlig{\@ifcharacter\next{\@try@mathlig}{\@exitmathlig{}}}
 139 \def\@exitmathlig#1{%
 140   \expandafter\@makemathligsnormal\@lastvalidmathlig\mathligson
 141   \the\@pushedtoks#1}
 142 \def\@try@mathlig#1{%\typeout{char: #1 catcode: \the\catcode`#1
 143   \@ifundefined{@mathlig\the\@seentoks#1}{\@exitmathlig{#1}}%
 144   {\expandafter\ifx
 145                  \csname @mathlig\the\@seentoks#1\endcsname
 146                  \@mathliglink
 147       \expandafter\@pushedtoks
 148         \expandafter=\expandafter{\the\@pushedtoks#1}%
 149     \else
 150       \expandafter\let\expandafter\@lastvalidmathlig
 151       \csname @mathlig\the\@seentoks#1\endcsname
 152       \@pushedtoks={}%
 153     \fi
 154     \expandafter\@seentoks\expandafter=\expandafter%
 155     {\the\@seentoks#1}\@makemathligsactive\obeyspaces\@trymathlig}}
 156 \edef\patch@newmcodes@{%
 157   \mathcode\number`\'=39
 158   \mathcode\number`\*=42
 159   \mathcode\number`\.=\string "613A
 160   \mathchardef\noexpand\std@minus=\the\mathcode`\-\relax
 161   \mathcode\number`\-=45
 162   \mathcode\number`\/=47
 163   \mathcode\number`\:=\string "603A\relax
 164 }
 165 \AtBeginDocument{\let\newmcodes@=\patch@newmcodes@}
 166 \fi
 167 \endinput
 168 %%
 169 %% End of file `ligature.sty'.