Fix typo in manual

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16474 85f007b7-540e-0410-9357-904b9bb8a0f7
Close the .glob file after having saved .vo

This is a no op for standard Coq, but is important for
Paral-ITP, since saving the library to disk forces all
frozen computations, and some of them may spit out glob
data, so the file descriptor must be valid.

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16475 85f007b7-540e-0410-9357-904b9bb8a0f7
Ideutils: comment on missing Glib utf8 handling function

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16476 85f007b7-540e-0410-9357-904b9bb8a0f7
Summary: support selective freeze

One can freeze/unfreeze a portion of the summary.

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16477 85f007b7-540e-0410-9357-904b9bb8a0f7
States: frozen states can hold closures

States.freeze takes ~marshallable:bool, so that (only) when we want to
marshal data to disk/network we can ask the freeze functions of the
summary to force lazy values.  The flag is propagated to Lib and Summary.

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16478 85f007b7-540e-0410-9357-904b9bb8a0f7
Coqide: view -> zoom in / out / fit

This commit adds zoom facilities that are useful for demos (quickly
increate font size) and daily use (set size so that 80 colums fit
the window width).

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16479 85f007b7-540e-0410-9357-904b9bb8a0f7
New module Xml_printer (dual to Xml_parser)

Code for printing XML moved from xml_utils.ml to xml_printer.ml
and improved to generate less garbage using Buffer.t systematically.

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16480 85f007b7-540e-0410-9357-904b9bb8a0f7