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+% this is spider.ch $Header: /home/users0/fx/ltxspiderweb/master/spider.ltx,v 1.3 91/03/22 11:19:54 fx Exp $
+% for a LaTeX version of spider
+% d.love@daresbury.ac.uk
+
+l 5 (don't want batchmode for debugging; only print changes; for
+ LaTeX: want \documentstyle and fix use of \. and \title)
+#x
+\message{OK, entering \string\batchmode...}
+\batchmode
+#y
+\ifx\enddocument\undefined \else % check for LaTeX
+ \documentstyle[web]{article}
+ \let\maybe\iffalse
+ \let\.=\str
+ \def\LaTeX{{\rm L\kern-.36em\raise.3ex\hbox{\sc a}\kern-.15em
+ T\kern-.1667em\lower.7ex\hbox{E}\kern-.125emX}}
+\fi
+#z
+
+l 13 (change title page stuff)
+#x
+\def\title{SPIDER}
+
+\def\topofcontents{\null\vfill
+ \titlefalse % include headline on the contents page
+ \def\rheader{\hfil}
+ \centerline{\titlefont The {\ttitlefont SPIDER} processor}
+ \vfill}
+#y
+\ifx\enddocument\undefined % check for LaTeX
+\def\title{SPIDER}
+
+\def\topofcontents{\null\vfill
+ \titlefalse % include headline on the contents page
+ \def\rheader{\hfil}
+ \centerline{\titlefont The {\ttitlefont SPIDER} processor}
+ \vfill}
+\else
+ \title{The {\tt SPIDER} processor} \date{}
+\fi
+#z
+
+l 39
+#x
+The unusual lexical requirements of FORTRAN are probably beyond it, at
+least until the lexical analysis is modernized.)
+#y
+The unusual lexical requirements of FORTRAN are probably beyond it, at
+least until the lexical analysis is modernized.)
+
+This version of Spider has been changed to be able to produce a
+\.{WEAVE} suitable for use with \LaTeX{} rather than plain \TeX{}.
+The changes are minor and can be found by looking up ``LaTeX'' in the
+index. You get the \LaTeX{} version by defining |LaTeX=1| or
+something (the variable |LaTeX| should be non-null) on
+the \.{awk} command line when you run Spider. The limbo part will sort
+itself out for \LaTeX{} or plain when you weave this file.
+#z
+
+l 188 (bug fix)
+#x
+#<Set init...#>=
+ scrapfile = "scraps.web"
+ print "@*Scrap code generated by {\tt SPIDER}." > scrapfile
+ ttokfile = "outtoks.web"
+ print "@*Token code generated by {\tt SPIDER}." > scrapfile
+#y
+#<Set init...#>=
+ scrapfile = "scraps.web"
+ print "@*Scrap code generated by {\\tt SPIDER}." > scrapfile
+ ttokfile = "outtoks.web"
+ print "@*Token code generated by {\\tt SPIDER}." > scrapfile
+#z
+
+l 211 (bug fix)
+#x
+ grammarfile = "grammar.web"
+ print "@*Grammar code generated by {\tt SPIDER}." > grammarfile
+#y
+ grammarfile = "grammar.web"
+ print "@*Grammar code generated by {\\tt SPIDER}." > grammarfile
+#z
+
+l 2108 (change for LaTeX)
+#x
+ printf "*out_ptr='x'; tex_printf(\"\\\\input %sweb.te\");\n", \
+ extension > wlang
+#y
+ if (LaTeX=="") { #^LaTeX#>
+ printf "*out_ptr='x'; tex_printf(\"\\\\input %sweb.te\");\n", \
+ extension > wlang
+ }else{
+ printf "*out_ptr='}'; tex_printf(\"\\\\def\\\\webmacs{%sweb.tex\");\n", \
+ extension > wlang
+ }
+#z
+
+l 2121 (change for LaTeX)
+#x
+#<Write the first line of the macro file#>=
+ macrofile = extension "web.tex"
+ print "\\input webkernel.tex" > macrofile
+#y
+#<Write the first line of the macro file#>=
+ macrofile = extension "web.tex"
+ if (LaTeX=="") print "\\input webkernel.tex" > macrofile #^LaTeX#>
+#z