earlybrowserreborn - Rev 1

Subversion Repositories:
Rev:
Changes by Pei:

DONE:
* Those lines marked by /*PYW*/, regarding push/pop input buff stuff
  but havn't checked for any new places where this is requried.

(DONE line by line patch)
* SGML.c
* SGML.h
* HTML.c
* HTML.h

NOT DONE YET: