--- ray/doc/man/man1/pvalue.1	2019/07/15 22:39:50	1.9
+++ ray/doc/man/man1/pvalue.1	2022/02/04 20:11:48	1.12
@@ -1,4 +1,4 @@
-.\" RCSid "$Id: pvalue.1,v 1.9 2019/07/15 22:39:50 greg Exp $"
+.\" RCSid "$Id: pvalue.1,v 1.12 2022/02/04 20:11:48 greg Exp $"
 .TH PVALUE 1 1/15/99 RADIANCE
 .SH NAME
 pvalue - convert RADIANCE picture to/from alternate formats
@@ -53,8 +53,9 @@ turns this option off, which is the default.
 .BR \-o
 Print original values, before exposure compensation.
 If the input file is in XYZE format, the Y (green) channel
-will correspond to units of candelas/meter^2.
-Otherwise, the RGB values should be in spectral watts/steradian/meter^2.
+will correspond to units of candelas/meter^2, unless
+.I \-O
+is specified, when watts/sr/meter^2 are always reported.
 Specifying
 .I \+o
 uses final exposed values, which is the default.
@@ -80,7 +81,6 @@ causes the resolution string to be printed, which is t
 Skip the specified number of bytes on the input header.
 This option is useful for skipping unintelligible headers in
 foreign file formats.
-(Does not work when reading from standard input.)
 .TP
 .BI \-e \ exposure
 Adjust the exposure by the amount specified.
@@ -243,12 +243,7 @@ pflip \-v flipped.hdr > final.hdr
 .SH AUTHOR
 Greg Ward
 .SH BUGS
-The
-.I \-r
-option does not work with the
-.I \-u
-option.
-Also, input pixel locations are ignored during a reverse
+Input pixel locations are ignored during a reverse
 conversion, so this information is not used in determining
 the scanline ordering or picture size.
 .SH "SEE ALSO"