[Emacs-diffs] Changes to emacs/doc/lispref/functions.texi,v

[Glenn Morris]

CVSROOT:        /sources/emacs
Module name:    emacs
Changes by:     Glenn Morris <gm>       07/11/29 04:41:17

Index: functions.texi
===================================================================
RCS file: /sources/emacs/emacs/doc/lispref/functions.texi,v
retrieving revision 1.6
retrieving revision 1.7
diff -u -b -r1.6 -r1.7
--- functions.texi      26 Nov 2007 08:48:31 -0000      1.6
+++ functions.texi      29 Nov 2007 04:41:17 -0000      1.7
@@ -1227,6 +1227,7 @@
 @section Telling the Compiler that a Function is Defined
 @cindex function declaration
 @cindex declaring functions
address@hidden declare-function
 
 Byte-compiling a file often produces warnings about functions that the
 compiler doesn't know about (@pxref{Compiler Errors}).  Sometimes this
@@ -1289,6 +1290,11 @@
 of the primitive functions of Emacs are always defined so they will
 never give you a warning.
 
+  Sometimes a file will optionally use functions from an external package.
+If you prefix the filename in the @code{declare-function} statement with
address@hidden:}, then it will be checked if it is found, otherwise skipped
+without error.
+
 @node Function Safety
 @section Determining whether a Function is Safe to Call
 @cindex function safety