SaC project.  The main idea is to integrate the documentation
building process into the compilation process of sac2c.

The document is written in texinfo format and then being
automatically transformed into
  * pdf
  * html
  * man

Texinfo is a tex-based mark-up language which may be transformed
into various formats using `makeinfo' binary.  For more details
please see http://www.gnu.org/software/texinfo.

Currently the commit consists of the following files:
  * doc/sac-texi: This is a main documentation source
    which is used as a source.
  * doc/macros.texi: Help macros used within sac.texi.
  * doc/breaks.texi.in, doc/optimizations.texi.in:
    Templates to generate documentation from sac *.mac
    files.  Both files are included in sac.texi
  * doc/texi2pod.pl: The script to convert man-related
    parts of the document into pod format, whic then
    will be converted into man page.
  * doc/jquery.js, doc/fixes.js: HTML is shit!  So in 
    ...