X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=afh.ggo;h=056a34daa893bebd203d0c7819e25f18972da5da;hp=7fb9d5ac3379010e6eacb59aff359dc5b9ada26b;hb=f41688f647116d0a17513cc86c60cc9729da6502;hpb=97727c2e95cce064e03f495e97119cae447397d7;ds=sidebyside

diff --git a/afh.ggo b/afh.ggo
index 7fb9d5ac..056a34da 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
@@ -111,6 +117,6 @@ details="
 	If an audio format needs information about the audio file
 	in a format-specific header in order to be understood by
 	the decoding software, a suitable header is automatically
-	send. This option changes the default behaviour so that no
-	header is sent.
+	send. This option changes the default behaviour, i.e. no
+	header is written.
 "