* parser.c: fix various attribute normalisation problems reported
by Ashwin
* result/c14n/without-comments/example-4
result/c14n/with-comments/example-4: this impacted the result of
two c14n tests :-\
* test/att9 test/att10 test/att11 result//att9* result//att10*
result//att11*: added 3 specific regression tests coming from the
XML spec revision and from Ashwin
Daniel
svn path=/trunk/; revision=3715
