miscellaneous update

git-svn-id: http://svn.code.sf.net/p/netpbm/code/userguide@4820 9d0c8265-081b-0410-96cb-a4ca84ce46f8

2 files changed, 16 insertions, 3 deletions

diff --git a/libsystem.html b/libsystem.html
index 9ef36a14..14f4f25a 100644
--- a/libsystem.html
+++ b/libsystem.html
@@ -50,8 +50,8 @@ pm_system2_lp(const char *  const progName,
              void                stdinFeeder(int, void *),
              void *        const feederParm,
              void                stdoutAccepter(int, void *),
-             int *         const terminationStatusP,
              void *        const accepterParm,
+             int *         const terminationStatusP,
              ...);
 
 pm_system2_vp(const char *  const progName,
diff --git a/pnmindex.html b/pnmindex.html
index 29189d14..65ccc9a3 100644
--- a/pnmindex.html
+++ b/pnmindex.html
@@ -69,13 +69,19 @@ inside a <i>N</i> x <i>N</i> pixel box without changing its aspect ratio.
 
 <p>If the input image is already smaller than this, its size remains the same
 in the output.
+
+<p>The value must be at least 1.
   
 <p>The default is 100.
 
 <dt><b>-across=</b><i>N</i>
 
-<dd>The number of thumbnails in each row.  Default is 6.
+<dd>This is the number of thumbnails in each row.
+
+<p>The value must be at least 1.
 
+<p>The default is 6.
+  
 <dt><b>-black</b>
 
 <dd>This controls the color of the padding between the images; by default it
@@ -119,7 +125,13 @@ no input image is PPM.
 </dl>
 
 
-<h2 id="seealso">SEE ALSO</h2>
+<h2 id="history">HISTORY</h2>
+
+<p>Before Netpbm 11.05 (December 2023), the Netpbm common option <b>-plain</b>
+was not implemented.
+
+
+  <h2 id="seealso">SEE ALSO</h2>
 
 <b><a href="pamscale.html">pamscale</a></b>,
 
@@ -152,6 +164,7 @@ no input image is PPM.
 <li><a href="#synopsis">SYNOPSIS</a>
 <li><a href="#description">DESCRIPTION</a>
 <li><a href="#options">OPTIONS</a>
+<li><a href="#history">HISTORY</a>
 <li><a href="#seealso">SEE ALSO</a>
 <li><a href="#author">AUTHOR</a>
 </ul>