Includes:
- GIF decoding: avoid crash on some images
- Top progress bar: avoid re-computing when not needed
- Top progress bar: allow external filling of marks
- CSS/Text: properly inherit and handle text-align-last
- getRenderedWidths(): fix handling of text-indent
- Reorder some flags to make the sets clearer
- CSS: support more white-space named values
- Text: fix standalone BR not making an empty line (rework)
- CSS: support for pseudo elements ::before & ::after
- CSS: content: open-quote support via TextLangMan
- CSS/Text selection: adds a few "-cr-hint:" tweaks
cre.cpp: adds setHeaderProgressMarks()
Added 2 style tweaks to disable pseudo elements
::before/after and common ligatures.