Changes since version 3.20 New answers: +Label spawnprog: the \write18 mechanism for spawning programs +Label whatengine: am I running pdfTeX, XeTeX or luaTeX? +Label write: the \write primitive for writing text files Relabelled answers: Revised answers: +Label biblatex: mention bibtex8, even though biblatex+biber are winning +Label codelist: extend coverage of minted package (and Pygments) +Label commercial: remove Y&Y (not commercial any longer) +Label dpfloat: mention floatpage package +Label drawing: mention "embedded source" packages for asy, gplot, mp +Label editors: rationalise, removing "wildcard" +Label filename: add currfile, remove "DIY" code (which never worked right) +Label floats: update discussion of morefloats package, mention etex.sty +Label fmtconv: mention openoffice route for MS-word +Label gethelp: link "latex community" and "latex stack exchange" +Label graphicspath: rephrase discussion of \graphicspath +Label instt1font: attempt to clarify updmap vs. updmap-sys +Label labelfig: mention (new) lpic package +Label latex2html: link to info on tug.org (note tex4ht now sourced there) +Label mathml: link to info on tug.org +Label music: rewritten following rearrangements on ctan +Label nopagebrk: discuss \pagebreak, \nopagebreak (!) +Label papergeom: discuss dvipdfm and its extensions +Label psfchoice: report one (at least) known problem with [pt]xfonts +Label pspreview: simplify, given that it's far less of a problem now +Label ref-doc remove link to NASA latex ref, add link to gna.org one +Label textflow: mention cutwin package +Label tmupfl: mention morefloats package, with caveats +Label verbwithin: mention cprotect package +Label WYGexpts: drop "activetex" -- seems no longer available +Label zerochap: rewrite for clarification Deleted answers: +Label ifpdf: subsumed in new "whatengine" answer (link rerouted there) +Label lollipop: no longer relevant (a pity) Web interface, etc.: Some LaTeX command translations were broken, and have been mended Work has started on a major reorganisation of the "fonts" section Robin Fairbairns