Merged revision(s) r28553 from trunk:
* update to VS2019
bump version to 1.11.1
Merged revision(s) r28561, r28562 from trunk:
* Update to Scintilla 4.1.4
* apply the backgroundcolors patch
The 1.6.x branch now requires XP.
Bump version number to 1.7.15
Merged latest translations from trunk
Bump version to 1.9.8 and svn to 1.9.10
Save the test implementation of git clone.
On 'shelve' branch: catch up with trunk@28055.