Update info files

diff --git a/doc/info/output.html b/doc/info/output.html
index 074e12c3881b90216eb51357e9a07fe4abb474a1..8aa0b8b678c36327afe36c2cacd7f2959e7f8b43 100644 (file)
--- a/doc/info/output.html
+++ b/doc/info/output.html
@@ -9,7 +9,18 @@
 <HR>
 The output format is specified with the <STRONG>-T</STRONG><I>lang</I>
 flag on the <A HREF=command.html>command line</A>, where <I>lang</I>
-is one of the following: 
+is one of the parameters listed below.
+<P>
+Note that the internal coordinate system has the origin 
+in the lower left corner.
+Thus, positions in the
+<A HREF=#d:canon>canon</A>,
+<A HREF=#d:dot>dot</A>,
+<A HREF=#d:xdot>xdot</A>,
+<A HREF=#d:plain>plain</A>, and
+<A HREF=#d:plain-ext>plain-ext</A>
+formats need to be interpreted in this manner.
+<P>
 <TABLE ALIGN=CENTER>
 <TR><TH>Command-line<BR>parameter</TH><TH>Format</TH></TR>
  <TR><TD ALIGN=CENTER><A NAME=a:canon HREF=#d:canon>canon</A>