Changes since version 3.23

New answers:
 +Label labelcount:  use the "value" of a label in counter operations
 +Label optclash:    LaTeX package options clash
 +Label printvar:    print the contents of a "variable"
 +Label unicode:     "Unicode for TeX users"

Relabelled answers:
 <none>

Revised answers:
 +Label bug:	     reworded in the light of more on-line help available
 +Label dvi:	     tidied, mention of XeTeX and its XDV format
 +Label ECfonts:     brought up to date (a bit: more remains to be done)
 +Label editors:     updated comments about TeXworks
 +Label include:     clarification of page number constraint
 +Label LaTeX3:	     add git repository link, mention state of formats
 +Label latex-books: add "LaTeX Beginner's Guide" and Herbert Voss's UIT books
 +Label mathml:	     outline the use of MathJax
 +Label missbegdoc:  rewritten to take account of the BOM issue
 +Label multind:     add amsmind and imakeidx packages
 +Label music:	     reflect restructuring of fonts
 +Label sysmac:	     mention root privilege requirement for MacTeX
 +Label sysother:    discourage any hope of a current VMS version
 +Label tds:	     toned-down and untangled the text, a bit
 +Label texthings:   mention ProTeXt among distributions
 +Label TUG*	     corrected contact details
 +Label tutbitslatex: revise statement about Herbert Voss's mathmode book
		      incorporate para about TUG India tutorials from doc-dirs
 +Label underline:    remove obsolete statement about ulem docs
 +Label virtualfonts: rewrite, improving clarity (I hope...)
 +Label wordcount:    add health warnings for detex-like counts

Deleted answers:
 +Label doc-dirs:    subsumed in label tutbitslatex

Web interface, etc.:
 <no changes>

Robin Fairbairns
