[LyX/master] Merge branch 'master' of git.lyx.org:lyx

[Juergen Spitzmueller]

commit f28affd421a30b7c8620b6aedf76bfa665321733
Merge: 0e54e01 234886f
Author: Juergen Spitzmueller <spitz at lyx.org>
Date:   Tue Mar 2 07:04:03 2021 +0100

    Merge branch 'master' of git.lyx.org:lyx

 src/Cursor.cpp                |    9 ++++++---
 src/frontends/qt/GuiAbout.cpp |    2 +-
 src/mathed/InsetMathColor.cpp |    9 ++++++++-
 src/mathed/InsetMathColor.h   |    4 ++++
 4 files changed, 19 insertions(+), 5 deletions(-)