Add a Quick Links menu to the Libary Synopsis web page.

The menu is generated dynamically by JavaScript functions defined in
quicklinks.js, by traversing the Detailed Table of Contents in the 
generated synopsis.html.

lib/doc/MkSynopsis.hs

@@ -45,6 +45,8 @@ main = do
   append "%!postproc(html): '(SRC=\"categories.png\")'  '\\1 USEMAP=\"#categories\"'"
   append "%!postproc(html): '#LParadigms'  '<a name=\"RParadigms\"></a>'"
   append "%!postproc(tex): '#LParadigms' ''"
+  append "%!postproc(html): '#quicklinks' '<script src=\"quicklinks.js\"></script>'"
+  append "%!postproc(tex): '#quicklinks' ''"
   delimit $ addToolTips cs
   include "synopsis-intro.txt"
   title "Categories"
@@ -95,6 +97,8 @@ main = do
   space
   append "%%toc"
   space
+  append "#quicklinks"
+  space
   let format = if isLatex then "tex" else "html"
   system $ "txt2tags -t" ++ format ++ " " ++ " --toc " ++ synopsis
   if isLatex then (system $ "pdflatex synopsis.tex") >> return () else return ()