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greekmacros.tex	1.44 KB	-rw-r--r--

Code Editor : greekmacros.tex

\def\ifnextchar#1#2#3{\let\tempe #1\def\tempa{#2}\def\tempb{#3}\futurelet
  \tempc\ifnch}
\def\ifnch{\ifx\tempc\tempe\let\tempd\tempa\else\let\tempd\tempb\fi\tempd}
\def\gobble#1{}
\font\tengr=grreg10
\font\tengrbf=grbld10
\font\tengrtt=grtt10
\def\greekmode{%
\catcode`\<=13
\catcode`\>=13
\catcode`\'=11
\catcode`\`=11
\catcode`\~=11
\catcode`\"=11
\catcode`\|=11
\lccode`\<=`\<%
\lccode`\>=`\>%
\lccode`\'=`\'%
\lccode`\`=`\`%
\lccode`\~=`\~%
\lccode`\"=`\"%
\lccode`\|=`\|%
\tengr\def\bf{\tengrbf}\def\tt{\tengrtt}}
\newcount\vwl
\newcount\acct
\def\lt{<}
\def\gt{>}
{
  \greekmode
  \gdef>{\ifnextchar `{\expandafter\smoothgrave\gobble}{\char\lq\>}}
  \gdef<{\ifnextchar `{\expandafter\roughgrave\gobble}{\char\lq\<}}
  \gdef\smoothgrave#1{\acct=\rq137 \vwl=\lq#1 \dobreathinggrave}
  \gdef\roughgrave#1{\acct=\rq103 \vwl=\lq#1 \dobreathinggrave}
  \gdef\dobreathinggrave{\ifnum\vwl\lt\rq140    %if uppercase
    \char\the\acct\char\the\vwl\else\expandafter\testiota\fi}
  \gdef\testiota{\ifnextchar |{\addiota\doaccent\gobble}{\doaccent}}
  \gdef\addiota{\ifnum\vwl=\lq a\vwl=\rq370
    \else\ifnum\vwl=\lq h\vwl=\rq371 \else\vwl=\rq372 \fi\fi}
  \gdef\doaccent{\accent\the\acct \char\the\vwl\relax}
}
     
\newif\ifgreek\greekfalse
     
\def\begingreek{\bgroup\greektrue\greekmode}
\def\endgreek{\egroup}
     
\let\math=$
{\catcode`\$=13
\gdef\greekdelims{\catcode`\$=13
\def${\ifgreek\endgreek\else\begingreek\fi}
\def\display{\math\math}\def\enddisplay{\math\math}}}

${this.title}

Code Editor : greekmacros.tex