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Document 'inhibit-read-only' property

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* doc/lispref/text.texi (Special Properties): Describe the new
'inhibit-read-only' text property.  Add cross-reference to where
read-only buffers are described.
* doc/lispref/buffers.texi (Read Only Buffers): Mention that
'inhibit-read-only' property exempts text from being read-only.
Add cross-reference to "Special Properties".

* etc/NEWS: Move the entry about 'inhibit-read-only' property to
its place and mark it documented.
This commit is contained in:
Eli Zaretskii 2015-12-01 18:11:11 +02:00
parent 628d0063f8
commit e702ab8d84
3 changed files with 11 additions and 8 deletions
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4
doc/lispref/buffers.texi
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@ -716,7 +716,9 @@ The special commands of these modes bind @code{buffer-read-only} to
@defvar buffer-read-only
This buffer-local variable specifies whether the buffer is read-only.
The buffer is read-only if this variable is non-@code{nil}.
The buffer is read-only if this variable is non-@code{nil}. However,
characters that have the @code{inhibit-read-only} text property can
still be modified. @xref{Special Properties, inhibit-read-only}.
@end defvar
@defvar inhibit-read-only

4
doc/lispref/text.texi
View file

@ -3267,8 +3267,8 @@ and then remove the property. @xref{Read Only Buffers}.
@item inhibit-read-only
@kindex inhibit-read-only @r{(text property)}
If a character has the property @code{inhibit-read-only}, and the
buffer is read-only, editing the character in question is allowed.
Characters that have the property @code{inhibit-read-only} can be
edited even in read-only buffers. @xref{Read Only Buffers}.
@item invisible
@kindex invisible @r{(text property)}

11
etc/NEWS
View file

@ -181,9 +181,6 @@ for use in Emacs bug reports.
hiding character but the default `.' can be used by let-binding the
variable `read-hide-char'.
** A new text property `inhibit-read-only' can be used in read-only
buffers to allow certain parts of the text to be writable.
** A new function `directory-files-recursively' returns all matching
files (recursively) under a directory.
@ -1142,8 +1139,12 @@ process filter, sentinel, etc., through keyword arguments (similar to
+++
** New variable `inhibit-message', when bound to non-nil, inhibits
`message' and related functions from displaying messages the Echo
Area. The output is still logged to the *Messages* buffer.
`message' and related functions from displaying messages the Echo
Area. The output is still logged to the *Messages* buffer.
+++
** A new text property `inhibit-read-only' can be used in read-only
buffers to allow certain parts of the text to be writable.
** `read-buffer' takes a new `predicate' argument.