* cus/stable:
libzvbi-teletextdec: propagate errors generated in page handler
libzvbi-teletextdec: dont ignore memory allocation error silently
libzvbi-teletextdec: output ass subtitles instead of plain text
ass: move text_event_to_ass from textdec.c to ass.c and export it
ass: fix error handling in ff_ass_add_subrect
ass: factor out ff_ass_bprint_dialog
libzvbi-teletextdec: use AVBPrint for whitespace cleanup
libzvbi-teletextdec: use option constants instead of strings
libzvbi-teletextdec: fix indentation after last commit
libzvbi-teletextdec: support multiple teletext pages in a single packet
Merged-by: Michael Niedermayer <michaelni@gmx.at>