Address a case where we would end up with missing closing underline tags.  This
results in malformed HTML causing the subpicture to never be rendered in those
cases.

Properly the renderer to properly show the inverted exclamation mark, common
in Spanish.

Validated with the WGBH EIA-608 test stream.

It was broken by f9b664ea.

Signed-off-by: Laurent Aimar <fenrir@videolan.org>

This reverts commit 2224fa03.

FT_Done_Glyph seems needed for shadow. More investigation needed to
work out why libfreetype crashes at this FT_Done_Glyph.

shadow refers to outine or glyph. Only these latter ones need deallocation.

Make them share a common palette and save 41K (78%)

Signed-off-by: Felix Paul Kühne <fkuehne@videolan.org>

Get rid of another vlc.object.find() call!

This gets rid of a broken vlc.object.find() call

There might be a buffer still stored in packetizer buffers
refs: #3178

Close #4883