Fix methods to get alphabetic and greek counters, they misrepresented 'z'. Use alphabetic style according to PDF specs, i.e. after 'z' use 'aa', 'bb', etc.
Fix methods to get alphabetic and greek counters, they misrepresented 'z'. Use alphabetic style according to PDF specs, i.e. after 'z' use 'aa', 'bb', etc.

git-svn-id: 765db44a9620ed55f4f8addfd3c14fe8cd57f6bb@6779 0fceea05-a30d-0410-8a8b-80ef821fb0a1

nanoant/Skim,nanoant/Skim,nanoant/Skim,nanoant/Skim,nanoant/Skim