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(Low-Level Kill Ring): interprogram-paste-function can now return a list

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of strings.
This commit is contained in:
Eli Zaretskii 2008-10-15 14:44:02 +00:00
parent a33a1f2ac9
commit 8e8c1a7214
3 changed files with 24 additions and 9 deletions
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3
doc/lispref/ChangeLog
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@ -1,5 +1,8 @@
2008-10-15 Eli Zaretskii <eliz@gnu.org>
* text.texi (Low-Level Kill Ring): interprogram-paste-function can
now return a list of strings.
* control.texi (Handling Errors): Document ignore-errors.
* frames.texi (Creating Frames): Document frame-inherited-parameters.

29
doc/lispref/text.texi
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@ -1054,12 +1054,13 @@ If @var{n} is zero, indicating a request for the latest kill,
@code{current-kill} calls the value of
@code{interprogram-paste-function} (documented below) before
consulting the kill ring. If that value is a function and calling it
returns a string, @code{current-kill} pushes that string onto the kill
ring and returns it. It also sets the yanking pointer to point to
that new entry, regardless of the value of @var{do-not-move}.
Otherwise, @code{current-kill} does not treat a zero value for @var{n}
specially: it returns the entry pointed at by the yanking pointer and
does not move the yanking pointer.
returns a string or a list of several string, @code{current-kill}
pushes the strings onto the kill ring and returns the first string.
It also sets the yanking pointer to point to that new entry,
regardless of the value of @var{do-not-move}. Otherwise,
@code{current-kill} does not treat a zero value for @var{n} specially:
it returns the entry pointed at by the yanking pointer and does not
move the yanking pointer.
@end defun
@defun kill-new string &optional replace yank-handler
@ -1102,9 +1103,19 @@ If the value is a function, @code{current-kill} calls it to get the
then that value is used as the ``most recent kill.'' If it returns
@code{nil}, then the front of the kill ring is used.
The normal use of this hook is to get the window system's primary
To facilitate support for window systems that support multiple
selections, this function may also return a list of strings. In that
case, the first string is used as the ``most recent kill'', and all
the other strings are pushed onto the kill ring, for easy access by
@code{yank-pop}.
The normal use of this function is to get the window system's primary
selection as the most recent kill, even if the selection belongs to
another application. @xref{Window System Selections}.
another application. @xref{Window System Selections}. However, if
the selection was provided by the current Emacs session, this function
should return @code{nil}. (If it is hard to tell whether Emacs or
some other program provided the selection, it should be good enough to
use @code{string=} to compare it with the last text Emacs provided.)
@end defvar
@defvar interprogram-cut-function
@ -1118,7 +1129,7 @@ The second, optional, argument has the same meaning as the @var{push}
argument to @code{x-set-cut-buffer} (@pxref{Definition of
x-set-cut-buffer}) and only affects the second and later cut buffers.
The normal use of this hook is to set the window system's primary
The normal use of this function is to set the window system's primary
selection (and first cut buffer) from the newly killed text.
@xref{Window System Selections}.
@end defvar

1
etc/NEWS
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@ -1131,6 +1131,7 @@ this map rather than to function-key-map now.
+++
** `ignore-errors' is now a standard macro (does not require the CL package).
+++
** `interprogram-paste-function' can now return one string or a list
of strings. In the latter case, Emacs puts the second and following
strings on the kill ring.