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| author | Juri Linkov <juri@linkov.net> | 2020-11-21 21:49:46 +0200 |
|---|---|---|
| committer | Juri Linkov <juri@linkov.net> | 2020-11-21 21:49:46 +0200 |
| commit | 0a8cd0116204354e95fbb4ebde64c58123502aa2 (patch) | |
| tree | 3111349cc32718d7493645b4bd0c381df748ed83 /doc/lispref/minibuf.texi | |
| parent | 789ee3e1d55a86b9ce38d1374c0e01d04f97eb7d (diff) | |
| download | emacs-0a8cd0116204354e95fbb4ebde64c58123502aa2.tar.gz | |
Handle help-form in y-or-n-p and use this in find-file-noselect (bug#5423)
* doc/lispref/help.texi (Help Functions): Mention help-form for
read-char-from-minibuffer and y-or-n-p.
* doc/lispref/minibuf.texi (Yes-or-No Queries): Mention help-form
for y-or-n-p.
(Multiple Queries): Mention help-form for read-char-from-minibuffer.
* lisp/files.el (find-file-noselect): Let-bind multi-line help text
to help-form for y-or-n-p.
* lisp/subr.el (read-char-choice): Mention help-form in docstring.
(read-char-from-minibuffer): Mention help-form in docstring.
(y-or-n-p-map): Remove handling of 'help'.
(y-or-n-p): Mention help-form in docstring.
When help-form is non-nil: add help-char to 'prompt', and bind
help-char to help-form-show in composed-keymap.
Diffstat (limited to 'doc/lispref/minibuf.texi')
| -rw-r--r-- | doc/lispref/minibuf.texi | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/doc/lispref/minibuf.texi b/doc/lispref/minibuf.texi index b6a3434d15e..f1cfd29ef14 100644 --- a/doc/lispref/minibuf.texi +++ b/doc/lispref/minibuf.texi @@ -2109,6 +2109,11 @@ special responses @code{recenter}, @code{scroll-up}, @kbd{C-v}, @kbd{M-v}, @kbd{C-M-v} and @kbd{C-M-S-v} in @code{query-replace-map}), this function performs the specified window recentering or scrolling operation, and poses the question again. + +If you bind @code{help-form} (@pxref{Help Functions}) to +a non-@code{nil} value while calling @code{y-or-n-p}, then pressing +@code{help-char} causes it to evaluate @code{help-form} and display +the result. @code{help-char} is automatically added to @var{prompt}. @end defun @defun y-or-n-p-with-timeout prompt seconds default @@ -2317,6 +2322,11 @@ character. Optionally, it ignores any input that is not a member of @var{chars}, a list of accepted characters. The @var{history} argument specifies the history list symbol to use; if it is omitted or @code{nil}, this function doesn't use the history. + +If you bind @code{help-form} (@pxref{Help Functions}) to +a non-@code{nil} value while calling @code{read-char-from-minibuffer}, +then pressing @code{help-char} causes it to evaluate @code{help-form} +and display the result. @end defun @node Reading a Password |