5 % this file is loaded by \input in LTXexample environment,
6 % which is defined in showexpl.sty.
7 % So, this file does not contain any header.
8 \begingroup \catcode`\^^I=11
9 \gdef\lst@WFBegin#1#2{%
13 \advance\lst@length\@ne
14 \expandafter\lst@token\expandafter{\the\lst@token##1}%
15 \ifx ##1\lst@outputspace \else
18 \lst@lAddTo\lst@PreGotoTabStop{\lst@WFAppend{^^I}}%
19 \def\lst@ProcessSpace##1{%
20 \lst@WFAppend{ }\lst@check@chartype{##1}%
23 \let\lst@DeInit\lst@WFDeInit
24 \let\lst@MProcessListing\lst@WFMProcessListing
26 \immediate\openout\lst@WF=#2\relax
27 \global\let\lst@WFifopen\iftrue
31 \gdef\lst@frameBlock#1#2#3#4{%
34 \setbox\z@\hbox{\vrule\@height#3\@depth#4%
35 \ifx#1\@empty \@width\z@ \kern#2\relax
36 \else \@width#2\relax \fi}%