--- ray/doc/man/man1/pcomb.1	2018/05/04 23:56:49	1.11
+++ ray/doc/man/man1/pcomb.1	2023/12/06 01:27:00	1.13
@@ -1,4 +1,4 @@
-.\" RCSid "$Id: pcomb.1,v 1.11 2018/05/04 23:56:49 greg Exp $"
+.\" RCSid "$Id: pcomb.1,v 1.13 2023/12/06 01:27:00 greg Exp $"
 .TH PCOMB 1 8/31/96 RADIANCE
 .SH NAME
 pcomb - combine RADIANCE pictures
@@ -42,9 +42,10 @@ but an arbitrary mapping can be assigned with the
 and
 .I \-f
 options.
-The variable and function definitions in each
+(The variable and function definitions in each
 .I \-f source
-file are read and compiled from the RADIANCE library where it is found.
+file are read and compiled from the RADIANCE library
+where it is found.)\0
 Negative coefficients and functions are allowed, and
 .I pcomb
 will produce color values of zero where they would be negative.
@@ -118,6 +119,9 @@ give the exposure values for picture
 and
 .I pa(n)
 gives the corresponding pixel aspect ratio.
+Exposure values will be set to 1.0 for inputs with the
+.I \-o
+option set.
 Finally, for pictures with stored view parameters,
 the functions
 .I "Ox(n), Oy(n)"
@@ -225,4 +229,4 @@ RAYPATH		the directories to check for auxiliary files.
 .SH AUTHOR
 Greg Ward
 .SH "SEE ALSO"
-getinfo(1), icalc(1), pcompos(1), pfilt(1), rpict(1)
+getinfo(1), icalc(1), pcompos(1), pfilt(1), rmtxcomb(1), rmtxop(1), rpict(1)