A for HTMLTidy to prevent it dropping empty elements that have class attributes. Allows it to be used to pre-process HTML containing microformats without stripping out the value-class-pattern.

tidy-value-class-pattern.diff

Index: attrs.h
===================================================================
RCS file: /cvsroot/tidy/tidy/src/attrs.h,v
retrieving revision 1.29
diff -r1.29 attrs.h
325a326
> #define attrGetCLASS( nod )       TY_(AttrGetById)( nod, TidyAttr_CLASS )
Index: parser.c
===================================================================
RCS file: /cvsroot/tidy/tidy/src/parser.c,v
retrieving revision 1.187
diff -r1.187 parser.c
289a290,294
>     /* Microformats value-class-pattern data fix. Allow empty elements 
>      *with a @class attribute to remain (otherwise they would be dropped) */
>     /* attributes */
>     if ( attrGetCLASS(element) )
>         return no;
>