[LyX/master] MathML: Convert HTML entities to XML entities.

[Pavel Sanda]

commit 718eede94bd57b51f6f60cda4c05a68da3dd0d66
Author: Thibaut Cuvelier <cuvelier.thibaut at gmail.com>
Date:   Mon Jun 8 04:07:47 2020 +0200

    MathML: Convert HTML entities to XML entities.

 lib/symbols                         | 1664 +++++++++++++++++------------------
 src/mathed/InsetMathBig.cpp         |    4 +-
 src/mathed/InsetMathChar.cpp        |    5 +-
 src/mathed/InsetMathDecoration.cpp  |   64 +-
 src/mathed/InsetMathDelim.cpp       |   10 +-
 src/mathed/InsetMathDots.cpp        |   37 +-
 src/mathed/InsetMathHull.cpp        |   15 +-
 src/mathed/InsetMathMacro.cpp       |    4 +-
 src/mathed/InsetMathMacroTemplate.h |    1 -
 src/mathed/InsetMathMatrix.cpp      |    4 +-
 src/mathed/InsetMathSymbol.cpp      |   12 +-
 src/mathed/MacroTable.cpp           |    8 +
 src/mathed/MacroTable.h             |    2 +
 src/mathed/MathFactory.cpp          |   23 +-
 src/mathed/MathParser.h             |    2 +
 src/mathed/MathStream.cpp           |   10 +-
 src/mathed/MathStream.h             |    8 +-
 17 files changed, 958 insertions(+), 915 deletions(-)