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Improve documentation of 'read-hide-char'

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* src/minibuf.c (syms_of_minibuf) <Vread_hide_char>: Clarify
documentation and mention where else the variable is used.
* doc/lispref/minibuf.texi (Reading a Password): Add an index
entry for 'read-hide-char'.
This commit is contained in:
Charles A. Roelli 2018-10-03 19:59:34 +02:00
parent 99f45ee42c
commit ac3622c81a
2 changed files with 6 additions and 2 deletions
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1
doc/lispref/minibuf.texi
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@ -2236,6 +2236,7 @@ Here is an example of using this function:
To read a password to pass to another program, you can use the
function @code{read-passwd}.
@vindex read-hide-char
@defun read-passwd prompt &optional confirm default
This function reads a password, prompting with @var{prompt}. It does
not echo the password as the user types it; instead, it echoes

7
src/minibuf.c
View File

@ -2107,8 +2107,11 @@ properties. */);
DEFVAR_LISP ("read-hide-char", Vread_hide_char,
doc: /* Whether to hide input characters in noninteractive mode.
It must be a character, which will be used to mask the input
characters. This variable should never be set globally. */);
If non-nil, it must be a character, which will be used to mask the
input characters. This variable should never be set globally.
This variable also overrides the default character that `read-passwd'
uses to hide passwords. */);
Vread_hide_char = Qnil;
defsubr (&Sactive_minibuffer_window);