adding a new API for Christian Glahn: xmlParseBalancedChunkMemoryRecover

* parser.c include/libxml/parser.h: adding a new API for Christian
  Glahn: xmlParseBalancedChunkMemoryRecover
* valid.c: patch from Rick Jones for some grammar cleanup in
  validation messages
* result/VC/* result/valid/*: this slightly change some of the
  regression tests outputs
Daniel
14 files changed