new show-without-ids attribute for <prepare-toc> to handle
  sections without id, ignore optional arg for section in latex2stog
latex2stog: replace latex french quotes by utf-8 characters
begin asy plugin (not finished)
latex2stog: more rewrite, handle asy env, ignore some commands
fix stog_asy to prevent id clash in generated svg
continue asy plugin and handling asy in stog2latex
doc for asy plugin in .ml
replace \/ with space
stog2latex: replace hspace with nbsp
asy plugin: fix output dir
stog2latex: handle external file prefix
latex2stog: ignore maketitle, bibliographystyle; handle footnote
change priority in env definition: local rules can override used modules
stog2latex: ensure creation of paragraph at the beginning of sections
stog2latex: handle imagesize directive, fix handling of section labels
stog2latex: fix: do not cut some code at the beginning of section when there is no label
stog2latex: fix (again) paragraph detection
use math:prop instead of math:proposition
stog2latex: minimal support for align environment
handle \% in normal text, and \<space> in math mode; handle \ldots