Started playing around with type extensions and typebound

procedures.
Merged performance fixes from trunk.

docs/html/node86.html

@@ -98,7 +98,7 @@ Specified as: an integer value <!-- MATH
  -->
 <IMG
  WIDTH="146" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img131.png"
+ SRC="img135.png"
  ALT="$0&lt;= src &lt;= np-1$">. 
 <BR></DD>
 <DT><STRONG>m</STRONG></DT>
@@ -115,16 +115,16 @@ Specified as: an integer value <!-- MATH
  -->
 <IMG
  WIDTH="172" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
- SRC="img127.png"
+ SRC="img131.png"
  ALT="$0&lt;= m &lt;= size(dat,1)$">. 
 <BR>
 When <IMG
  WIDTH="26" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
- SRC="img128.png"
+ SRC="img132.png"
  ALT="$dat$"> is a rank 2 array, specifies the number of rows to be sent
 independently of the leading dimension <IMG
  WIDTH="83" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
- SRC="img129.png"
+ SRC="img133.png"
  ALT="$size(dat,1)$">; must have the
 same value on sending and receiving processes.
 </DD>
@@ -147,7 +147,7 @@ Intent: <B>inout</B>.
 Specified as: an integer, real or complex variable, which may be a
 scalar, or a rank 1 or 2 array, or a character or logical scalar.  Type, kind and  rank must agree on sender and receiver process; if <IMG
  WIDTH="18" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
- SRC="img125.png"
+ SRC="img129.png"
  ALT="$m$"> is
 not specified, size must agree as well. 
 </DD>
@@ -160,7 +160,7 @@ not specified, size must agree as well.
 <LI>This subroutine implies a synchronization, but only between the
   calling process and the source  process <IMG
  WIDTH="26" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
- SRC="img132.png"
+ SRC="img136.png"
  ALT="$src$">.
 </LI>
 </OL>