X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=m4%2Fgengetopt%2Fprebuffer_filter.m4;h=9e84dcfcea04934a7f5a2f3f776d5afabe0b6bc1;hp=a42889721cb5521e43b9965d71a45fd1738fef5c;hb=b5c6af5c26bbb2b3d0e6928892bd5d915e329136;hpb=533b0303c27fb9ba098bb72e30f41f0939b2dbd2

diff --git a/m4/gengetopt/prebuffer_filter.m4 b/m4/gengetopt/prebuffer_filter.m4
index a4288972..9e84dcfc 100644
--- a/m4/gengetopt/prebuffer_filter.m4
+++ b/m4/gengetopt/prebuffer_filter.m4
@@ -1,5 +1,7 @@
 args "--no-version --no-help"
 
+purpose "Delay processing of an audio stream."
+
 option "duration" d
 #~~~~~~~~~~~~~~~~~~
 "prebuffer time"