Follow-up to [Bug 2983824]: update doc

2 files changed, 8 insertions, 3 deletions

diff --git a/ChangeLog b/ChangeLog
index 5e2e9e3..9366bba 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2010-04-09  Jan Nijtmans  <nijtmans@users.sf.net>
+
+	* doc/photo.n:    Follow-up to [Bug 2983824]: update doc.
+
 2010-04-09  Donal K. Fellows  <dkf@users.sf.net>
 
 	* generic/tkImgPhoto.c (ImgPhotoCmd): [Bug 2983824]: Use the file
diff --git a/doc/photo.n b/doc/photo.n
index 46d9c53..81bffb0 100644
--- a/doc/photo.n
+++ b/doc/photo.n
@@ -9,7 +9,7 @@
 '\"	    Department of Computer Science,
 '\"	    Australian National University.
 '\"
-'\" RCS: @(#) $Id: photo.n,v 1.28 2010/01/13 15:54:03 dkf Exp $
+'\" RCS: @(#) $Id: photo.n,v 1.29 2010/04/09 14:45:35 nijtmans Exp $
 '\" 
 .so man.macros
 .TH photo n 4.0 Tk "Tk Built-In Commands"
@@ -398,8 +398,9 @@ Specifies the name of the image file format handler to be used to
 write the data to the file.  Specifically, this subcommand searches
 for the first handler whose name matches an initial substring of
 \fIformat-name\fR and which has the capability to write an image
-file.  If this option is not given, this subcommand uses the first
-handler that has the capability to write an image file.
+file.  If this option is not given, the format is guessed from
+the file extension. If that cannot be determined, this subcommand
+uses the first handler that has the capability to write an image file.
 .TP
 \fB\-from \fIx1 y1 x2 y2\fR
 .