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www/software/plotutils plotutils.html

From: Therese Godefroy
Subject: www/software/plotutils plotutils.html
Date: Wed, 30 Oct 2019 10:04:54 -0400 (EDT)

CVSROOT:        /webcvs/www
Module name:    www
Changes by:     Therese Godefroy <th_g> 19/10/30 10:04:54

Modified files:
        software/plotutils: plotutils.html 

Log message:
        Fix http warning (RT #1441735), dead links and XHTML errors; http > 
https where possible.


Index: plotutils.html
RCS file: /webcvs/www/www/software/plotutils/plotutils.html,v
retrieving revision 1.12
retrieving revision 1.13
diff -u -b -r1.12 -r1.13
--- plotutils.html      29 Apr 2019 09:45:43 -0000      1.12
+++ plotutils.html      30 Oct 2019 14:04:53 -0000      1.13
@@ -13,7 +13,7 @@
     <h1>The <code>plotutils</code> Package</h1>
-      <a href="http://www.gnu.org/graphics/agnuhead.html";><img 
+      <a href="/graphics/agnuhead.html"><img src="/graphics/gnu-head-sm.jpg"
        alt=" [image of the Head of a GNU] "
        width="129" height="122" /></a>
@@ -37,8 +37,8 @@
-      <strong>The package also contains command-line programs for plotting
-      scientific data, such as GNU <code>graph</code> for XY&nbsp;plotting.
+      The package also contains <strong>command-line programs for plotting
+      scientific data</strong>, such as GNU <code>graph</code> for 
       Many of them use <code>libplot</code> to export graphics.  So, they
       can export graphics in any of <code>libplot</code>'s supported
       formats, such as
@@ -46,10 +46,10 @@
       <li style="list-style-image: url(new.jpg); list-style-type: circle">
-        <a href="http://www.w3.org/Graphics/SVG/";>SVG</a> (Scalable
+        <a href="https://www.w3.org/Graphics/SVG/";>SVG</a> (Scalable
        Vector Graphics format), the XML-based format for Web
        graphics, which is standardized by the
-       <a href="http://www.w3.org";>W3&nbsp;Consortium</a>.
+       <a href="https://www.w3.org";>W3&nbsp;Consortium</a>.
       <li style="list-style-image: url(new.jpg); list-style-type: circle">
@@ -61,34 +61,32 @@
       <li style="list-style-image: url(new.jpg); list-style-type: circle">
        The format used by the
-       free <a href="http://epb.lbl.gov/xfig/";><code>xfig</code></a>
+       free <a 
        drawing editor.  (Edit a 2-D drawing with a mouse, after generating
        it programmatically!)
+      </li>
       <li style="list-style-image: url(new.jpg); list-style-type: circle">
        Postscript itself.
-    </strong>
-    </p>
       The current version of the <code>plotutils</code> package
       is&nbsp;2.6, released September 2009.  It&nbsp;can be installed on
       GNU/Linux, FreeBSD, and Unix systems.  
+    </p>
       The <code>plotutils</code> package comes with a 185-page manual.
-      is <a 
+      is an <a href="/software/plotutils/manual/en/index.html">
       English-language version of the manual</a>, and here is
-      <a href="http://www.gnu.org/software/plotutils/manual/jp/index.html";>a
+      <a href="/software/plotutils/manual/jp/index.html">a
       Japanese-language version of the manual</a>.  People working through
       the many examples given in the manual should look at the
-      expected output
-      <a 
+      <a href="/software/plotutils/manual/plotutils_ex.pdf">expected
       output</a> (PDF).  (Thanks to
       <a href="mailto:address@hidden";>Daisuke TOMINAGA</a> for the last
       two items!).
@@ -97,7 +95,7 @@
       The package is free software.  Its source code is distributed as
       a 3.7&nbsp;megabyte gzipped tar file.  Here is <a
-      href="http://www.gnu.org/order/ftp.html";>how you can
+      href="/prep/ftp.html">how you can
@@ -113,21 +111,21 @@
        streams in real time.  Being designed for command-line use, it
        can be used in shell scripts.  It&nbsp;produces output on an
        X&nbsp;Window System display, in <a
-       href="http://www.w3.org/Graphics/SVG";>SVG format</a>, in <a
-       href="http://www.libpng.org/pub/png";>PNG format</a>, in <a 
+       href="https://www.w3.org/Graphics/SVG";>SVG format</a>, in <a
+       href="http://www.libpng.org/pub/png";>PNG format</a>, in <a 
        format</a>, in pseudo-GIF format, in <a
        href="http://www.cgmopen.org";>WebCGM format</a>, in <a
-       format</a>, in Postscript format, in <a 
format, in
-       <a href="http://en.wikipedia.org/wiki/HP-GL";>HP-GL/2</a> format, in <a
+       href="https://wikipedia.org/wiki/Adobe_Illustrator_Artwork";>Illustrator
+       format</a>, in Postscript format, in <a 
format, in
+       <a href="https://wikipedia.org/wiki/HP-GL";>HP-GL/2</a> format, in <a
        href="http://homepage.usask.ca/~ijm451/fig/";>Fig format</a>
        (editable with the <a
-       href="http://epb.lbl.gov/xfig/";><code>xfig</code></a>
-       drawing editor), in <a href="http://en.wikipedia.org/wiki/ReGIS";>ReGIS 
format</a>, in Tektronix format, or in
+       drawing editor), in <a href="https://wikipedia.org/wiki/ReGIS";>ReGIS 
format</a>, in Tektronix format, or in
        GNU Metafile format.  Output in Postscript format may be
        edited with the <code>idraw</code> drawing editor.
        <code>idraw</code> is available in the <a
-       href="http://www.vectaport.com/ivtools/index.html";>ivtools</a>
+       href="http://ivtools.sourceforge.net/ivtools/index.html";>ivtools</a>
        package from Vectaport, Inc.  Both <code>xfig</code> and
        <code>idraw</code> are free software.
@@ -194,14 +192,14 @@
       GNU <code>libplot</code> and <code>libplotter</code> support all
       the output formats mentioned above (X11, <a
-      href="http://www.w3.org/Graphics/SVG";>SVG</a>, <a
-      href="http://www.libpng.org/pub/png";>PNG</a>, <a 
+      href="https://www.w3.org/Graphics/SVG";>SVG</a>, <a
+      href="http://www.libpng.org/pub/png";>PNG</a>, <a 
        format</a>, pseudo-GIF,
       <a href="http://www.cgmopen.org";>WebCGM</a>, <a
-      href="http://en.wikipedia.org/wiki/Adobe_Illustrator_Artwork";>Illustrator
-      format</a>, <code>idraw</code>-editable Postscript, <a 
-      <a href="http://homepage.usask.ca/~ijm451/fig/";>Fig</a> format,
-      <a href="http://en.wikipedia.org/wiki/HP-GL";>HP-GL/2</a>, <a 
+      href="https://wikipedia.org/wiki/Adobe_Illustrator_Artwork";>Illustrator
+      format</a>, <code>idraw</code>-editable Postscript, <a 
+      <a href="https://homepage.usask.ca/~ijm451/fig/";>Fig</a> format,
+      <a href="https://wikipedia.org/wiki/HP-GL";>HP-GL/2</a>, <a 
       Tektronix, and GNU Metafile).  They can produce animated pseudo-GIFs,
       and smooth, double-buffered animations on any X&nbsp;Window System
       display.  The <code>libplot</code> imaging model is similar to
@@ -221,16 +219,16 @@
        Text strings, in many fonts.  Text strings may include
        subscripts and superscripts, and may include characters chosen
-       from more than one font in a typeface.  The X11, <a 
href="http://www.w3.org/Graphics/SVG/";>SVG</a>, WebCGM,
+       from more than one font in a typeface.  The X11, <a 
href="https://www.w3.org/Graphics/SVG/";>SVG</a>, WebCGM,
        Illustrator, Postscript, and <a
-       href="http://epb.lbl.gov/xfig/";><code>xfig</code></a> drivers support
 drivers support
        the 35 standard Postscript fonts, and the SVG, Illustrator,
-       <a 
-       and <a href="http://en.wikipedia.org/wiki/HP-GL";>HP-GL/2</a> drivers 
support the 45 standard
+       <a 
+       and <a href="https://wikipedia.org/wiki/HP-GL";>HP-GL/2</a> drivers 
support the 45 standard
        PCL&nbsp;5 fonts.  All drivers support a set of
        22&nbsp;Hershey vector fonts.  This includes HersheyCyrillic,
        a Russian font that uses the <a
-       href="http://www.nagual.pp.ru/~ache/koi8.html";>KOI8-R
+       href="https://www.nagual.pp.ru/~ache/koi8.html";>KOI8-R
        encoding</a>, and HersheyEUC, a Japanese font that uses the
        8-bit EUC-JP encoding.  Japanese text strings may include both
        syllabic characters (Hiragana and Katakana) and ideographic
@@ -286,12 +284,12 @@
       The two primary authors of the <code>plotutils</code> package
-      are <a href="http://www.math.arizona.edu/~rsm";>Robert Maier</a>
+      are <a href="https://www.math.arizona.edu/~rsm";>Robert Maier</a>
       and Nick Tufillaro
       (who developed <code>ode</code>).  Many other people have also
       contributed.  The rasterization code used by the export
       filters, which is distributed as a <a
-      href="http://www.gnu.org/software/libxmi/";>separate package</a>,
+      href="/software/libxmi/">separate package</a>,
       is based on the scan-conversion code in the sample X&nbsp;Window
       System server.
@@ -299,7 +297,7 @@
     <hr />
-      Visit the <a href="http://www.gnu.org/directory/science/";>Free Software 
Directory's Science section</a> for more utilities and related software.
+      Visit the <a href="https://directory.fsf.org/wiki/Science";>Free Software 
Directory's Science section</a> for more utilities and related software.
     <hr />
@@ -312,7 +310,7 @@
 Please send FSF &amp; GNU inquiries to 
 <a href="mailto:address@hidden";><em>address@hidden</em></a>.
-There are also <a href="/contact">other ways to contact</a> 
+There are also <a href="/contact/">other ways to contact</a> 
 the FSF.
 <br />
 Please send broken links and other corrections (or suggestions) to
@@ -338,7 +336,7 @@
 <!-- timestamp start -->
-$Date: 2019/04/29 09:45:43 $ $Author: th_g $
+$Date: 2019/10/30 14:04:53 $ $Author: th_g $
 <!-- timestamp end -->

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