master updated (3b1fb61 -> b3d310f)

[Glenn Morris]

gm pushed a change to branch master.

      from  3b1fb61   Use lexical-binding in progmodes/icon.el
       new  3984044   Import org source file for modus-themes manual
       new  fddd63f   Distribute the real source for some doc/misc manuals 
(bug#45143)
       new  b3d310f   Fixes for doc/misc org source files


Summary of changes:
 Makefile.in                |    11 +-
 doc/misc/Makefile.in       |    32 +-
 doc/misc/modus-themes.org  |  1955 ++++
 doc/misc/modus-themes.texi |  2834 ------
 doc/misc/org-setup.org     |    53 +
 doc/misc/org.org           | 21904 ++++++++++++++++++++++++++++++++++++++++
 doc/misc/org.texi          | 23148 -------------------------------------------
 lisp/org/ox-texinfo.el     |    17 +
 8 files changed, 23970 insertions(+), 25984 deletions(-)
 create mode 100644 doc/misc/modus-themes.org
 delete mode 100644 doc/misc/modus-themes.texi
 create mode 100644 doc/misc/org-setup.org
 create mode 100644 doc/misc/org.org
 delete mode 100644 doc/misc/org.texi