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Add instructions to 'standard-display-by-replacement-char'

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* lisp/disp-table.el (standard-display-by-replacement-char): Add a
preamble to the generated code with instructions.  Suggested by
Richard Stallman <rms@gnu.org>.
This commit is contained in:
Eli Zaretskii 2022-09-07 16:20:29 +03:00
parent 579eefda36
commit e1282c8c66
1 changed files with 8 additions and 1 deletions
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9
lisp/disp-table.el
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@ -336,7 +336,14 @@ which characters can be displayed and which cannot."
first)
(with-current-buffer buf
(erase-buffer)
(insert "(let ((tbl standard-display-table))\n")
(insert "\
;; Evaluate the Lisp code below to make Emacs show the standard
;; replacement character as a substitute for each undisplayable character.
;; One way to do that is with \"C-x h M-x eval-region RET\".
;; Normally you would put this code in your Emacs initialization file,
;; perhaps conditionally based on the type of terminal, so that
;; this setup happens automatically on each startup.
(let ((tbl standard-display-table))\n")
(while (<= ch to)
(cond
((or (char-displayable-p ch)