1 files changed, 106 insertions, 0 deletions
diff --git a/tex/.texmf/tex/generic/ydoc/ydocincl.tex b/tex/.texmf/tex/generic/ydoc/ydocincl.tex
new file mode 100644
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+++ b/tex/.texmf/tex/generic/ydoc/ydocincl.tex
@@ -0,0 +1,106 @@
+%%
+%% This is file `ydocincl.tex',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% ydoc.dtx  (with options: `ydocincl.tex')
+%% 
+\expandafter\ifx\csname ydocinclversion\endcsname\relax\else
+    \endinput
+\fi
+
+\chardef\ydocinclversion=1
+
+\newread\inFile
+\newread\subFile
+\newwrite\outFile
+\newif\ifContinue
+\newlinechar=`^^J
+
+\def\makeOther#1{\catcode`#1=12\relax}
+
+\let\inLine\relax
+\let\lastLine\relax
+
+\def\includefiles#1#2{%
+    \begingroup
+    \immediate\openin\inFile#1\relax
+    \immediate\openout\outFile#2\relax
+    \makeOther\@%
+    \makeOther\ \makeOther\\\makeOther\$%
+    \makeOther\#\makeOther\^\makeOther\^^K%
+    \makeOther\_\makeOther\^^A\makeOther\%%
+    \makeOther\~\makeOther\{\makeOther\}\makeOther\&%
+    \endlinechar-1\relax
+    \Continuetrue
+    \loop
+      \let\lastLine\inLine
+      \read\inFile to\inLine
+      \ifeof\inFile
+        \Continuefalse
+      \else
+        \expandafter\checkLine\inLine\empty\empty\empty\endLine
+      \fi
+      \ifContinue
+    \repeat
+    \immediate\closein\inFile
+    \immediate\closeout\outFile
+    \endgroup
+    \end
+}
+
+\def\copyline{%
+    \immediate\write\outFile{\inLine}%
+}
+
+\chardef\percentcharnum=`\%
+
+\begingroup
+\makeOther\%\makeOther\@\relax
+\gdef\SubFileOptionString{%<@}\relax
+\gdef\CommentChar{%}\relax
+\catcode`\|=0
+\makeOther\ \makeOther\\|relax
+|gdef|IfFalseString{% \iffalse}|relax
+|gdef|FiString{% \fi}|relax
+|endgroup
+
+\def\checkLine#1#2#3#4\endLine{%
+    \def\firstthree{#1#2#3}%
+    \ifx\firstthree\SubFileOptionString
+        \readSubFile#4\endLine
+    \else
+        \copyline
+    \fi
+}
+
+\def\readSubFile#1>#2\endLine{%
+    \immediate\openin\subFile=#1\relax
+    \ifeof\subFile
+        % File not found
+    \else
+        \message{^^JIncluding subfile '#1'^^J}%
+        \immediate\write\outFile{\CommentChar<*#1>}%
+        \ifx\lastLine\IfFalseString
+            \immediate\write\outFile{\FiString}%
+        \fi
+        \copySubFile
+        \ifx\lastLine\IfFalseString
+            \immediate\write\outFile{\IfFalseString}%
+        \fi
+        \immediate\write\outFile{\CommentChar</#1>}%
+    \fi
+    \immediate\closein\subFile
+}
+
+\def\copySubFile{%
+    \read\subFile to\subLine
+    \ifeof\subFile\else
+        \immediate\write\outFile{\subLine}%
+        \expandafter\copySubFile
+    \fi
+}
+\endinput
+%%
+%% End of file `ydocincl.tex'.