Add -?, -help, and --help as alternative options to get help.

Originally committed as revision 20906 to svn://svn.ffmpeg.org/ffmpeg/trunk

3 files changed, 3 insertions, 3 deletions

diff --git a/doc/ffmpeg-doc.texi b/doc/ffmpeg-doc.texi
index a0ab60d448..f5c0e64175 100644
--- a/doc/ffmpeg-doc.texi
+++ b/doc/ffmpeg-doc.texi
@@ -228,7 +228,7 @@ specified for the inputs.
 @item -L
 Show license.
 
-@item -h
+@item -h, -?, -help, --help
 Show help.
 
 @item -version
diff --git a/doc/ffplay-doc.texi b/doc/ffplay-doc.texi
index f7b8f87f33..a544d61196 100644
--- a/doc/ffplay-doc.texi
+++ b/doc/ffplay-doc.texi
@@ -29,7 +29,7 @@ ffplay [options] @file{input_file}
 @section Main options
 
 @table @option
-@item -h
+@item -h, -?, -help, --help
 Show help.
 @item -version
 Show version.
diff --git a/doc/ffserver-doc.texi b/doc/ffserver-doc.texi
index aabf33050b..8f0903f04a 100644
--- a/doc/ffserver-doc.texi
+++ b/doc/ffserver-doc.texi
@@ -251,7 +251,7 @@ Show available bitstream filters.
 Show available protocols.
 @item -filters
 Show available libavfilter filters.
-@item -h
+@item -h, -?, -help, --help
 Show help.
 @item -loglevel @var{loglevel}
 Set the logging level used by the library.