When the user adjusts the left side bearing, move the bearing with the mouse and scroll in order to keep the glyph contours in the same place.
Add a comment explaining a function declaration in cvpointer.c.
Fix the position of the ligature caret relative to the glyph contours rather than to the left side bearing when moving the left side bearing in the CharView.
Merge pull request #1919 from fontforge/lbearing_experiment_1

Alter handling of left side bearing adjustments.