diff -r 3d9126cbf0e6 -r 8159ade98144 lib/Tools/latex
--- a/lib/Tools/latex	Fri Jun 18 20:07:51 2004 +0200
+++ b/lib/Tools/latex	Fri Jun 18 20:07:59 2004 +0200
@@ -87,7 +87,7 @@
 function extract_syms ()
 {
   "$AUTO_PERL" -n \
-    -e '!m,%requires, && m,\\newcommand\{\\isasym(\w+)\}, && print "$1\n";' \
+    -e '(!m,%requires, || m,%requires latin1, || m,%requires amssymb, || m,%requires textcomp,) && m,\\newcommand\{\\isasym(\w+)\}, && print "$1\n";' \
     "$ISABELLE_HOME/lib/texinputs/isabellesym.sty" > "$DIR/syms.lst"
   "$AUTO_PERL" -n \
     -e 'm,\\newcommand\{\\isactrl(\w+)\}, && print "$1\n";' \