X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;f=afh.ggo;fp=afh.ggo;h=c7552ef978e96bcdc0b110cb3d07e7c0e338ab3b;hb=dc6a1021f7f36f5c4379f75492cab82f74e1609d;hp=7fb9d5ac3379010e6eacb59aff359dc5b9ada26b;hpb=b52eab0d4a343b1c5f455bd81032570dea166ec2;p=paraslash.git

diff --git a/afh.ggo b/afh.ggo
index 7fb9d5ac..c7552ef9 100644
--- a/afh.ggo
+++ b/afh.ggo
@@ -75,8 +75,14 @@ default="0"
 dependon="stream"
 optional
 details="
-	The chunk_num argument must be non-negative as chunks start
-	at zero.
+	The chunk_num argument must be between -num_chunks and
+	num_chunks - 1 inclusively where num_chunks is the total number
+	of chunks which is printed when using the --info option. If
+	chunk_num is negative, the given number of chunks are counted
+	backwards from the end of the file. For example --begin_chunk
+	-100 instructs para_afh to start output at chunk num_chunks
+	- 100. This is mainly useful for cutting off the end of an
+	audio file.
 "
 
 option "end_chunk" e
@@ -86,8 +92,8 @@ int typestr="chunk_num"
 dependon="stream"
 optional
 details="
-	The chunk_num argument must be less than the total number of
-	chunks. The default is to write up to the last chunk.
+	For the chunk_num argument the same rules as for --begin_chunk
+	apply.	The default is to write up to the last chunk.
 "
 
 option "just_in_time" j