rename add_parse_error functions to avoid name conflict so that it can be built with amalgamation into one file
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Merge https://github.com/google/gumbo-parser
Add test for IsIndex duplicate attributes.
Merge remote-tracking branch 'origin/master' into duplicate_attributes
Merge pull request #235 from jdeng/master

rename add_parse_error() to avoid name conflicts and support amalgamation file like sqlite
Revert "rename add_parse_error() to avoid name conflicts and support amalgamation file like sqlite"
Merge pull request #254 from google/revert-235-master

Revert "rename add_parse_error() to avoid name conflicts and support ama...
Fix test to match the spec: name=isindex, not the name on the tag.
rename for amalgamation
Fix the isindex duplicate attribute bug.
Merge pull request #255 from jdeng/rename_for_amalgamation

rename for amalgamation
Merge pull request #256 from nostrademons/duplicate_attributes

Fix duplicate attributes in <isindex>