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-rw-r--r--pbmtoibm23xx.html11
-rw-r--r--ppmrough.html8
2 files changed, 12 insertions, 7 deletions
diff --git a/pbmtoibm23xx.html b/pbmtoibm23xx.html
index 7abf5ec4..26d1983c 100644
--- a/pbmtoibm23xx.html
+++ b/pbmtoibm23xx.html
@@ -2,7 +2,7 @@
 <html><head><title>Pbmtoibm23xx User Manual</title></head>
 <body>
 <h1>pbmtoibm23xx</h1>
-Updated: 16 October 2004
+Updated: 28 January 2022
 <br>
 <a href="#index">Table Of Contents</a>
 
@@ -12,8 +12,9 @@ pbmtoibm23xx - convert a PBM image to IBM 23XX printer stream
 <h2 id="synopsis">SYNOPSIS</h2>
 
 <b>pbmtoibm23xxx</b>
-[<b>-xres=</b><i>dpi</i>]
-[<b>-yres=</b><i>dpi</i>]
+<b>-xres=</b><i>dpi</i>
+<b>-yres=</b><i>dpi</i>
+[<b>slow</b>
 [<i>pbmfile</i> ...]
 
 <p>Minimum unique abbreviation of option is acceptable.  You may use double
@@ -44,11 +45,15 @@ command line options:
 <dd>This option specifies the horizontal resolution in dots per inch.
 Valid values are 60, 120, and 240.
 
+<p>This option is mandatory.
+
 <dt><b>-yres=</b><i>dpi</i>
 
 <dd>This option specifies the vertical resolution in dots per inch.
 Valid values are 60, 120, and 240.
 
+<p>This option is mandatory.
+
 <dt><b>-slow</b>
 
 <dd>
diff --git a/ppmrough.html b/ppmrough.html
index b0a68bac..0ea76ac5 100644
--- a/ppmrough.html
+++ b/ppmrough.html
@@ -2,7 +2,7 @@
 <html><head><title>Ppmrough User Manual</title></head>
 <body>
 <h1>ppmrough</h1>
-Updated: 13 March 2021
+Updated: 28 January 2022
 <br>
 <a href="#index">Table Of Contents</a>
 
@@ -44,9 +44,9 @@ name and its value with white space instead of an equals sign.
 <p>This program is part of <a href="index.html">Netpbm</a>.
 
 <p><b>ppmrough</b> generates a PPM image of the specified width, height, and
-colors.  <b>ppmrough</b> tiles the image into semi-rectangular regions
-with a ragged borders between them.  It calculates the fluctuations 
-with the <b>rand()</b> standard C library function.
+colors.  <b>ppmrough</b> tiles the image into semi-rectangular regions with a
+ragged borders between them.  It calculates the fluctuations with
+pseudo-random numbers.
 
 <p><b>ppmrough</b> writes the PPM image to Standard Output.