Better help with tex

to fix the tex issue for formulas we use the underscore package.
Here the _ in text mode is replaced by \_ so no character substitutions
are necessary.

doc/doc/ISISscripts_md.tm

@@ -42,6 +42,10 @@ define headingv_fun () {
     insert(sprintf("##### %s\n%s", s1, s2));
 }
 
+define math_fun (s) {
+    vinsert("$%s", s);
+}
+
 define synopsis_fun (s) {headingv_fun("Synopsis", sprintf(" %s\n", s));}
 
 define usage_fun (s) {headingv_fun("Usage", sprintf("```c\n %s\n```\n\n", s));}
@@ -71,6 +75,7 @@ tm_add_macro("USAGE", &usage_fun, 1, 1);
 tm_add_macro("ALTUSAGE", &altusage_fun, 1, 1);
 tm_add_macro("SEEALSO", &seealso_fun, 1, 1);
 tm_add_macro("WIKILINK", &wikilink_fun, 1, 1);
+tm_add_macro("math", &math_fun, 1, 1);
 %#% tm_map_character ('{', "\\{"R);
 %#% tm_map_character ('}', "\\}"R);
 #s-

doc/doc/ISISscripts_tex.tm

@@ -21,7 +21,12 @@
 #d __verbatim_end  \end{verbatim}
 
 #s+
-tm_map_character ('_', "\\_"R);
+define math_function (s)
+{
+  vinsert("$%s$", s);
+}
+tm_add_macro("math", &math_function, 1, 1);
+tm_map_character ('_', "_"R);
 tm_map_character ('%', "\\%"R);
 tm_map_character ('#', "\\#"R);
 tm_map_character ('<', "$<$");
@@ -33,11 +38,14 @@ tm_map_character ('|', "$|$"R);
 %#% tm_map_character ('}', "\\}"R);
 #s-
 
+
 \\documentclass{article}
+
 \\usepackage[a4paper,hmargin=2cm,vmargin=1cm,bottom=0.5cm,includefoot]{geometry}
 \\usepackage[colorlinks=true,urlcolor=blue,linkcolor=blue]{hyperref}
 \\usepackage{multicol}
 \\usepackage[utf8]{inputenc}
+\\usepackage{underscore}
 \\begin{document}
 
 \\setcounter{page}{1}

doc/share/slhlp_isisscripts.tm

@@ -26,12 +26,14 @@ tm_add_macro("WIKILINK", &wikilink_fun, 1, 1);
 #d variable#1 \__newline__{}$1\__newline__
 #d datatype#1 \__newline__{}$1\__newline__
 
+#d math#1 $1
+
 #d synopsis#1 \_hlp_section{SYNOPSIS}\__newline__{}\__space__{4}$1\__newline__
 #d usage#1 \_hlp_section{USAGE}\__newline__\__space__{4}$1
 #d altusage#1 \__space__{4}% or\__newline__\__space__{4}$1
 #d description \_hlp_section{DESCRIPTION}
 #d qualifiers#1 \_hlp_section{QUALIFIERS}$1
-#d qualifier#2 \__space__{4}; $1: $2
+#d qualifier#2 \__space__{4}* $1: $2
 #d example \_hlp_section{EXAMPLE}
 #d examples \_hlp_section{EXAMPLES}
 #d notes \_hlp_section{NOTES}