Add new svn_string_t datatype and a bunch of commentary of the two types.
Add new svn_string_t datatype and a bunch of commentary of the two types.

Some simple white space changes (reindenting).


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@839498 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion