--- ray/doc/man/man1/rcollate.1	2020/09/07 17:08:08	1.14
+++ ray/doc/man/man1/rcollate.1	2024/01/25 19:25:50	1.18
@@ -1,5 +1,5 @@
-.\" RCSid "$Id: rcollate.1,v 1.14 2020/09/07 17:08:08 greg Exp $"
-.TH RCOLLATE 1 7/8/97 RADIANCE
+.\" RCSid "$Id: rcollate.1,v 1.18 2024/01/25 19:25:50 greg Exp $"
+.TH RCOLLATE 1 9/5/2013 RADIANCE
 .SH NAME
 rcollate - resize or re-order matrix data
 .SH SYNOPSIS
@@ -71,7 +71,7 @@ The
 .I \-c
 opiton forces the operation to proceed, even if it appears to be a no-op,
 which can be useful to correct a misshapen input matrix or check that
-the data is the proper size.
+the data is the proper size and formatted correctly (in the case of ASCII input).
 .PP
 The input format is assumed to be ASCII, with three white-space separated words
 (typically numbers) in each record.
@@ -113,6 +113,11 @@ and
 .I \-f
 options are not required, but will be checked against the header
 information if provided.
+An exception is made for
+.I \-fbN
+where N>1, when no checks are made against the header,
+and the given length is assumed
+to be the exact size (in bytes) of each data record.
 .PP
 The transpose option,
 .I \-t
@@ -175,5 +180,5 @@ without a transpose or re-ordering,
 .I rcollate
 issues a warning and simply copies its input to its standard output.
 .SH "SEE ALSO"
-cnt(1), histo(1), neaten(1), rcalc(1), rlam(1), rmtxop(1), 
-rsplit(1), tabfunc(1), total(1)
+cnt(1), histo(1), neaten(1), rcalc(1), rcomb(1), rcrop(1), rlam(1),
+rsensor(1), rmtxop(1), rsplit(1), tabfunc(1), total(1)