[librsvg] (20 commits) ...Merge branch '806-text-anchor-chunk' into 'main'

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

Summary of changes:

  3959168... Move the text tests to a separate tests/src/text.rs module
  bcd8d9e... Set up the test fontmap in test_compare_render_output too
  41b43c3... test_svg_reference: new macro to have reftests from two SVG
  890436a... Collect the advance of a chunk's spans until PositionedChun
  d30ce4e... Extract function to compute the baseline offset for a span
  166c054... Gather all the values from the MeasuredSpan as early as pos
  3f4e395... Get the chunk_direction only once
  3fb062b... Create the array for positioned spans right where it is nee
  6ebf845... Apply the anchor offset in a second pass through the chunk'
  54a47c4... Copy the layout_size from the MeasureSpan to the Positioned
  738d609... children_to_chunks() - Only carry over the parent's dx/dy t
  03cc62a... Don't copy the layout size to PositionedSpan after all
  f188ddb... Use the Rect machinery instead of unioning bounds by hand
  bf6bdae... Pass the whole chunk's bounds to text_anchor_offset(), not 
  d789d6c... Use the whole chunk's bounds when computing the anchor offs
  4d61770... Extract the dx/dy from the first span of a chunk and make i
  a2bf360... Add test for #806
  6a5abe5... Test for when a span has a dx larger than its size
  d8d4fd6... Remove superfluous reference
  54c81ee... Merge branch '806-text-anchor-chunk' into 'main'