Commit f33095ed authored by Glenn Morris's avatar Glenn Morris
Browse files

Bit more doc for process filter and sentinel changes

* src/process.c (Finternal_default_process_filter)
(Finternal_default_process_sentinel): Doc tweaks.

* doc/lispref/processes.texi: Typo fixes.

* etc/NEWS: Related markup.
parent b7aa5ad6
......@@ -112,7 +112,7 @@ described below.
argument that specifies where the standard output from the program will
go. It should be a buffer or a buffer name; if it is a buffer name,
that will create the buffer if it does not already exist. It can also
be @code{nil}, which says to discard the output unless a custom filter function
be @code{nil}, which says to discard the output, unless a custom filter function
handles it. (@xref{Filter Functions}, and @ref{Read and Print}.)
Normally, you should avoid having multiple processes send output to the
same buffer because their output would be intermixed randomly.
......@@ -1189,7 +1189,7 @@ be sent to the process, but this is not built into Emacs Lisp.
By default, process output is inserted in the associated buffer.
(You can change this by defining a custom filter function,
@pxref{Filter Functions}). The position to insert the output is
@pxref{Filter Functions}.) The position to insert the output is
determined by the @code{process-mark}, which is then updated to point
to the end of the text just inserted. Usually, but not always, the
@code{process-mark} is at the end of the buffer.
......@@ -1453,7 +1453,6 @@ code conversion and the end of line conversion---that is, one like
@c set-process-filter-multibyte and process-filter-multibyte-p,
@cindex filter multibyte flag, of process
@cindex process filter multibyte flag
@c FIXME there is always a filter function now
When Emacs calls a process filter function, it provides the process
output as a multibyte string or as a unibyte string according to the
process's filter coding system. Emacs
......
......@@ -1093,6 +1093,7 @@ errors. You should either convert them to utf-8 or add an explicit
It used to disable the minor mode, major mode, and text-property keymaps,
whereas now it simply has higher precedence.
+++
** Default process filters and sentinels are not nil any more.
Instead they default to a function that does what the nil value used to do.
......
2014-02-22 Glenn Morris <rgm@gnu.org>
* process.c (Finternal_default_process_filter)
(Finternal_default_process_sentinel): Doc tweaks.
2014-02-21 Glenn Morris <rgm@gnu.org>
* process.c (Fprocess_buffer, Faccept_process_output)
......
......@@ -5188,7 +5188,8 @@ read_and_dispose_of_process_output (struct Lisp_Process *p, char *chars,
DEFUN ("internal-default-process-filter", Finternal_default_process_filter,
Sinternal_default_process_filter, 2, 2, 0,
doc: /* Function used as default process filter.
This inserts the process's output into its buffer. */)
This inserts the process's output into its buffer, if there is one.
Otherwise it discards the output. */)
(Lisp_Object proc, Lisp_Object text)
{
struct Lisp_Process *p;
......@@ -6413,7 +6414,7 @@ status_notify (struct Lisp_Process *deleting_process)
DEFUN ("internal-default-process-sentinel", Finternal_default_process_sentinel,
Sinternal_default_process_sentinel, 2, 2, 0,
doc: /* Function used as default sentinel for processes.
This inserts a status message into the process's buffer. */)
This inserts a status message into the process's buffer, if there is one. */)
(Lisp_Object proc, Lisp_Object msg)
{
Lisp_Object buffer, symbol;
......
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