(closes SF bug #1238210)

work in math displays (thanks to Bo Peng on the Doc-SIG)

  the beginning of a paragraph do not generate errors; this affected
  things like \refmodule when it came first in a paragraph
- clean up the .sty file to separate out the treatment of the start
  of a new paragraph

I couldn't test this, but it didn't break anything and the patch
reported fixed the problem.

Bugfix candidate.

PDF and PostScript versions of the docs (the CSS already does this for HTML)

(From SF patch #810751)

(commontex/), leaving only style support files in texinputs/.  This makes
texinputs/ part of the formatting tools while commontex/ is strictly part
of the actual documentation.

for PDF generation

paper-size hook.
SF patch #772550.

by controling the font.

apply to the trunk.

I leave to Fred to sort out.

eventually.

\@makefntext than \@footnotetext, so we'll do that instead.

even in the footnote context.

\footnotesize.

\py@sigline macro will wrap the argument list so it will not extend into
the right margin.
Substantially based on a contribution from Dave Cole.
This addresses one of the comments in SF bug #574742.

revealed itself when i added index generating lines to doc/doc.tex)

This matches many other of the *desc environments, and is useful when
multiple functions share a description.