master updated (c3499b8 -> c30f950)

[Eli Zaretskii]

eliz pushed a change to branch master.

      from  c3499b8   ; Fix a recent change in image.c
      adds  3f998a3   * lisp/textmodes/css-mode.el: Fix typo.  (Bug#51488)
      adds  20ebd91   Improve documentation of string truncation APIs
       new  c30f950   Merge from origin/emacs-28


Summary of changes:
 doc/lispref/display.texi        | 20 +++++++++++++++-----
 doc/lispref/strings.texi        | 18 ++++++++++++------
 lisp/emacs-lisp/subr-x.el       | 12 ++++++------
 lisp/international/mule-util.el | 13 +++++++++----
 lisp/textmodes/css-mode.el      |  4 ++--
 5 files changed, 44 insertions(+), 23 deletions(-)