emacs-29 updated (a4a9ffdd80a -> e4a7d0cd6ea)

[Robert Pluim]

rpluim pushed a change to branch emacs-29.

      from  a4a9ffdd80a Fix the documentation of various aspects of adding Xref 
history
       new  bb3e0ded9eb Don't add a key binding when REMOVE is non-nil
       new  e4a7d0cd6ea Document `keymap-unset' in lispref


Summary of changes:
 doc/lispref/keymaps.texi | 11 +++++++++++
 src/keymap.c             | 31 ++++++++++++++++---------------
 2 files changed, 27 insertions(+), 15 deletions(-)