Log Message:
pango: updated to 1.48.7

Overview of changes in 1.48.7
=============================
- Fix a thread-safety issue in fontmap initialization
- Small documentation improvements

Overview of changes in 1.48.6
=============================
- Avoid attribute index overflow
- Add a new pango-segmentation utility
- Documentation cleanups and fixes
- Update script property data for gravity
- Bring back careful glyph position rounding
- Add a few missing bidi types
- Add more tests

Overview of changes in 1.48.5
=============================
- Only initialize fontconfig once
- Add missing deprecation notices
- Add some missing apis to the markup docs
- Speed up Emoji classification
- win32: Fix msvc build
- Fix hangs and memory leaks
- Don't insert hyphens at word boundaries
- Handle empty lines better
- Avoid width fluctuations with ellipsized text
- Add a utility to show text segmentation