Add a plumb rules for .yuv TV images and allow '+' in
filenames sent to the editor (e.g. c++).

Reference: /n/sources/patch/applied/plumb-rules
Date: Wed Sep 19 00:58:21 CES 2007
Signed-off-by: steve@quintile.net

--- /sys/lib/plumb/basic	Wed Sep 19 00:56:11 2007
+++ /sys/lib/plumb/basic	Wed Sep 19 00:56:09 2007
@@ -35,7 +35,7 @@
 # image files go to page
 type is text
 data matches '[a-zA-Z¡-￿0-9_\-./]+'
-data matches '([a-zA-Z¡-￿0-9_\-./]+)\.(jpe?g|JPE?G|gif|GIF|tiff?|TIFF?|ppm|PPM|bit|BIT|png|PNG|pgm|PGM|bmp|BMP)'
+data matches '([a-zA-Z¡-￿0-9_\-./]+)\.(jpe?g|JPE?G|gif|GIF|tiff?|TIFF?|ppm|PPM|bit|BIT|png|PNG|pgm|PGM|bmp|BMP|yuv)'
 arg isfile	$0
 plumb to image
 plumb client page -wi
@@ -51,7 +51,7 @@
 
 # existing files, possibly tagged by line number, go to editor
 type is text
-data matches '([.a-zA-Z¡-￿0-9_/\-]*[a-zA-Z¡-￿0-9_/\-])('$addr')?'
+data matches '([.a-zA-Z¡-￿0-9_/\+\-]*[a-zA-Z¡-￿0-9_/\+\-])('$addr')?'
 arg isfile	$1
 data set	$file
 attr add	addr=$3