From b6248299f628d7e93e664beb72c3496edf28803b Mon Sep 17 00:00:00 2001
From: Stefano Sabatini <stefasab@gmail.com>
Date: Tue, 30 Oct 2012 19:45:46 +0100
Subject: [PATCH] doc/filters: itemize examples for drawbox, add an example,
 fix grammar

---
 doc/filters.texi | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/doc/filters.texi b/doc/filters.texi
index 07ae1c9b1c..d7e31bd12e 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -1750,15 +1750,26 @@ interpreted accorinding to the following syntax:
 drawbox=@var{x}:@var{y}:@var{width}:@var{height}:@var{color}
 @end example
 
-Follow some examples:
+Some examples follow:
+@itemize
+@item
+Draw a black box around the edge of the input image:
 @example
-# draw a black box around the edge of the input image
 drawbox
-
-# draw a box with color red and an opacity of 50%
-drawbox=10:20:200:60:red@@0.5"
 @end example
 
+@item
+Draw a box with color red and an opacity of 50%:
+@example
+drawbox=10:20:200:60:red@@0.5
+@end example
+
+The previous example can be specified as:
+@example
+drawbox=x=10:y=20:w=200:h=60:color=red@@0.5
+@end example
+@end itemize
+
 @section drawtext
 
 Draw text string or text from specified file on top of video using the