[librsvg] (18 commits) ...Merge branch 'unicode-bidi' into 'main'

[Marge Bot <marge-bot src gnome org>]

Summary of changes:

  e9d02f7... Rename UnicodeBidi::Override to UnicodeBidi::BidiOverride
  d992bb8... Add all the CSS3 identifiers to unicode-bidi
  af81749... BidiControl: generate the Unicode control characters for un
  bb2c019... (#249): Basic implementation of the unicode-bidi property
  7fdc264... Set a pango::Layout's font description as an attribute
  6f9a5a4... Do not set the PangoAlignment of a layout
  26c4e25... Gather all the pango::Layout mutation in a single place
  29e0e87... Extract function to populate a pango::AttrList from FontPro
  e52ada9... Remove comment that will become irrelevant soon
  a77f175... Do not modify the font description from the pango::Context
  4c21fcd... Create each pango::Attribute with a range within the layout
  6f9b6f1... Fix comment
  f518435... text.rs: Use a mutable DrawingCtx only in Text::draw()
  19f07cd... Require Pango 1.46 for PangoOverline
  80a72e6... (#17): Render text-decoration:overline
  1e53e85... Don't put the writing-mode in FontProperties
  849bb7e... Pass the text writing mode around in a new LayoutContext st
  8b1030b... Merge branch 'unicode-bidi' into 'main'