"miscellaneous update"

git-svn-id: http://svn.code.sf.net/p/netpbm/code/userguide@900 9d0c8265-081b-0410-96cb-a4ca84ce46f8

6 files changed, 45 insertions, 21 deletions

diff --git a/pamaddnoise.html b/pamaddnoise.html
index 6e9057c5..48a8413a 100644
--- a/pamaddnoise.html
+++ b/pamaddnoise.html
@@ -38,7 +38,7 @@ pamaddnoise - add noise to a Netpbm image
 
 <B>pamaddnoise</B> <B>-type </B> <B>multiplicative_gaussian</B>
 
-[<B>-msigma</B> <I>value</I>]
+[<B>-mgsigma</B> <I>value</I>]
 
 <BR>
 
@@ -91,6 +91,7 @@ pamaddnoise - add noise to a Netpbm image
 <b>pamaddnoise</b> treats a PPM image as 3 independent planes, not as
 a plane of colors in a color space.
 
+
 <H2 id="options">OPTIONS</H2>
 
 <DL COMPACT>
@@ -102,7 +103,7 @@ a plane of colors in a color space.
 
 <DD>Used for laplacian noise only.  The default value is 10.0.
 
-<DT><B>-msigma</b> <i>value</i>
+<DT><B>-mgsigma</b> <i>value</i>
 
 <DD>Used for mutliplicative gaussian noise only.  The default value is
 0.5.
diff --git a/pamperspective.html b/pamperspective.html
index 0573f8eb..618a6c6f 100644
--- a/pamperspective.html
+++ b/pamperspective.html
@@ -226,7 +226,7 @@ visible part is the smallest possible rectangle that contains the
 parts specified those three ways.
 
 <p>The visible part must have nonzero size.  That means if you specify
-<b>--frame-include=no</b> (overriding the default), you'll need to
+<b>--frame_include=no</b> (overriding the default), you'll need to
 specify other frame options in order to have something in the visible
 part.
 
diff --git a/pamsistoaglyph.html b/pamsistoaglyph.html
index 292e394b..657b842b 100644
--- a/pamsistoaglyph.html
+++ b/pamsistoaglyph.html
@@ -151,6 +151,11 @@ anaglyphs.  The algorithm works as follows:</p>
     message.</li>
 </ol>
 
+<h2 id="history">HISTORY</h2>
+
+<p>Scott Pakin wrote <b>pamsistoaglyph</b> in April 2009.  It first appeared
+in Netpbm in Release 10.47 (June 2009).
+
 
 <h2 id="author">AUTHOR</h2>
 
@@ -160,10 +165,13 @@ Pakin, <a href="mailto:scott+pbm@pakin.org.">scott+pbm@pakin.org.</a></p>
 
 <h2 id="seealso">SEE ALSO</h2>
 
-<p><b><a href="pamstereogram.html">pamstereogram</a></b>,
-<b><a href="ppm3d.html">ppm3d</a></b>,
-&lt;<a href="http://en.wikipedia.org/wiki/Stereogram">
-http://en.wikipedia.org/wiki/Stereogram</a>&gt;</p>
+<ul>
+
+<li><b><a href="pamstereogram.html">pamstereogram</a></b>
+<li><b><a href="ppm3d.html">ppm3d</a></b>,
+<li>&lt;<a href="http://en.wikipedia.org/wiki/Stereogram">http://en.wikipedia.org/wiki/Stereogram</a>&gt;</p>
+
+</ul>
 
 
 <hr />
@@ -174,10 +182,10 @@ http://en.wikipedia.org/wiki/Stereogram</a>&gt;</p>
 <li><a href="#description">DESCRIPTION</a></li>
 <li><a href="#options">OPTIONS</a></li>
 <li><a href="#notes">NOTES</a></li>
+<li><a href="#history">HISTORY</a></li>
 <li><a href="#author">AUTHOR</a></li>
 <li><a href="#seealso">SEE ALSO</a></li>
 </ul>
 
 </body>
 </html>
-
diff --git a/pamstereogram.html b/pamstereogram.html
index 6cd571b7..a2feab0a 100644
--- a/pamstereogram.html
+++ b/pamstereogram.html
@@ -251,8 +251,11 @@ SISes):</p>
 <ul>
 <li><a href="pam.html">pam</a></li>
 
+<li><a href="pamsistoaglyph.html">pamsistoaglyph</a></li>
+
 <li><a href="ppm3d.html">ppm3d</a></li>
 
+
 <li>Harold W. Thimbleby, Stuart Inglis, and Ian H. Witten.
 <em>Displaying 3D Images: Algorithms for Single Image Random Dot
 Stereograms</em>. In IEEE Computer, <strong>27</strong>(10):38-48,
diff --git a/pbmtoepson.html b/pbmtoepson.html
index 7d92d53d..194fc538 100644
--- a/pbmtoepson.html
+++ b/pbmtoepson.html
@@ -18,7 +18,7 @@ pbmtoepson - convert a PBM image into Epson printer graphics
 [<b>-dpi=</b><i>n</i>]
 [<b>-protocol=</b>{<b>escp9</b>|<B>escp</B>}]
 [<b>-adjacent</b>]
-[<b>-noadjacent</b>]
+[<b>-nonadjacent</b>]
 
 [<I>pbmfile</I>]
 
@@ -75,9 +75,9 @@ print density for you consistent with your other options.
 <p>This option was new in Netpbm 10.23 (July 2004).     
 
 <dt><b>-adjacent</b>
-<dt><b>-noadjacent</b>
+<dt><b>-nonadjacent</b>
 
-<dd>These options determine whether the output select &quot;adjacent dot
+<dd>These options determine whether the output uses &quot;adjacent dot
 printing&quot; or not, whatever that is.
 
 <p>If you don't specify this, <b>pbmtoepson</b> selects adjacent dot
diff --git a/pnmremap.html b/pnmremap.html
index 6641929f..d95f9c5c 100644
--- a/pnmremap.html
+++ b/pnmremap.html
@@ -2,7 +2,7 @@
 <HTML><HEAD><TITLE>Pnmremap User Manual</TITLE></HEAD>
 <BODY>
 <H1>pnmremap</H1>
-Updated: 19 February 2009
+Updated: 26 April 2009
 <BR>
 <A HREF="#index">Table Of Contents</A>
 
@@ -185,16 +185,22 @@ This names the file that contains the palette image.
 <DT><B>-fs</B>
 <DT><B>-nofloyd</B>
 <DT><B>-nofs</B>
+
 <DD>
-These options determine whether Floyd-Steinberg dithering is done.
-Without Floyd-Steinberg, the selection of output color of a pixel is based
-on the color of only the corresponding input pixel.  With Floyd-Steinberg,
-multiple input pixels are considered so that the average color of an area
-tends to stay more the same than without Floyd-Steinberg.  For example, 
-if you map an image with a black, gray, gray, and white pixel
-adjacent, to a palette that contains only black and white, it might 
-result in an output of black, black, white, white.  Pixel-by-pixel
-mapping would instead map both the gray pixels to the same color.
+These options determine whether <b>pnmremap</b> does Floyd-Steinberg
+dithering.  Without Floyd-Steinberg, <b>pnmremap</b> selects the output color
+of a pixel based on the color of only the corresponding input pixel.  With
+Floyd-Steinberg, <b>pnmremap</b> considers regions of pixels such that the
+average color of a region is the same in the output as in the input.  The
+dithering effect appears as a dot pattern up close, but from a distance, the
+dots blend so that you see more colors than are present in the color map.
+
+<p>As an example, if your color map contains only black and white, and
+the input image has 4 adjacent pixels of gray, <b>pnmremap</b> with
+Floyd-Steinberg would generate output pixels black, white, black, white,
+which from a distance looks gray.  But without Floyd-Steinberg,
+<b>pnmremap</b> would generate 4 white pixels, white being the single-pixel
+approximation of gray.
 
 <p>Floyd-Steinberg gives vastly better results on images where
 unmodified quantization has banding or other artifacts, especially
@@ -206,6 +212,12 @@ synonym for <B>-nofloyd</B>.
 
 <P>The default is <B>-nofloyd</B>.
 
+<p>Before Netpbm 10.46 (March 2009), dithering doesn't work quite as you
+expect if the color map has a lower maxval than the input.  <b>pnmremap</b>
+reduces the color resolution to the color map's maxval before doing any
+dithering, so the dithering does not have the effect of making the image,
+at a distance, appear to have the original maxval.  In current Netpbm, it
+does.
 
 <dt><b>-norandom</b>