[pango: 6/6] Merge branch 'empty-line-height-attr-fix' into 'main'

[Matthias Clasen <matthiasc src gnome org>]

commit a0d7555fc00f04d1283acd5cac36feab77433e53
Merge: 5820cc12 1a3c69d3
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Oct 20 10:52:36 2021 +0000

    Merge branch 'empty-line-height-attr-fix' into 'main'
    
    Fix empty line heights
    
    Closes #421
    
    See merge request GNOME/pango!481

 pango/pango-layout.c      |  68 +++++++++++++-----
 pango/pangocairo-fcfont.c |  14 +++-
 pango/pangocairo-font.c   |  43 ++++++------
 tests/testmisc.c          | 174 ++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 260 insertions(+), 39 deletions(-)
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