[Plplot-cvs] SF.net SVN: plplot:[10748] trunk/doc/docbook/src/advanced.xml

[<ai...@us...>]

Revision: 10748
          http://plplot.svn.sourceforge.net/plplot/?rev=10748&view=rev
Author:   airwin
Date:     2010-01-08 02:51:48 +0000 (Fri, 08 Jan 2010)

Log Message:
-----------
Documentation for the PLPLOT_DEV environment variable

  This adds details to the docbook documentation about the newly supported
  PLPLOT_DEV environment variable.
  
  Thanks to David MacMahon for this.

Modified Paths:
--------------
    trunk/doc/docbook/src/advanced.xml

Modified: trunk/doc/docbook/src/advanced.xml
===================================================================
--- trunk/doc/docbook/src/advanced.xml	2010-01-08 02:40:14 UTC (rev 10747)
+++ trunk/doc/docbook/src/advanced.xml	2010-01-08 02:51:48 UTC (rev 10748)
@@ -598,9 +598,10 @@
 	all internal data structures necessary for plotting and initializes
 	the output device driver.  The output device can be a terminal, disk
 	file, window system, pipe, or socket.  If the output device has not
-	already been specified when &plinit; is called, a list of valid
-	output devices is given and the user is prompted for a choice.  For
-	example:
+	already been specified when &plinit; is called, the output device
+	will be taken from the value of the PLPLOT_DEV environment variable.
+	If this variable is not set (or is empty), a list of valid output
+	devices is given and the user is prompted for a choice.  For example:
       </para>
       
       <para>
@@ -651,6 +652,15 @@
 	      &plparseopts;.
 	    </para>
 	  </listitem>
+	  <listitem>
+	    <para>
+	      The value of the <literal>PLPLOT_DEV</literal> environment
+	      variable.  Note that specifying the output device via &plsdev;
+	      or the <literal>-dev</literal> command line argument will
+	      override the value given by the <literal>PLPLOT_DEV</literal>
+	      environment variable.
+	    </para>
+	  </listitem>
 	</itemizedlist>
 	
       </para>


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