Started playing around with type extensions and typebound

procedures.
Merged performance fixes from trunk.

docs/html/node67.html

@@ -84,7 +84,7 @@ Intent: <B>in</B>.
 <BR>
 Specified as: an integer <IMG
  WIDTH="29" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img103.png"
+ SRC="img107.png"
  ALT="$&gt;0$">.
 </DD>
 <DT><STRONG>a</STRONG></DT>
@@ -120,7 +120,7 @@ Intent: <B>in</B>.
 <BR>
 Specified as: an integer <IMG
  WIDTH="29" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img103.png"
+ SRC="img107.png"
  ALT="$&gt;0$">. When append is true, specifies how many
 entries in the output vectors are already filled. 
 </DD>
@@ -135,10 +135,10 @@ Intent: <B>in</B>.
 <BR>
 Specified as: an integer <IMG
  WIDTH="29" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img103.png"
+ SRC="img107.png"
  ALT="$&gt;0$">, default: <IMG
  WIDTH="31" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
- SRC="img104.png"
+ SRC="img108.png"
  ALT="$row$">.
 
 <P>
@@ -213,12 +213,12 @@ An integer value; 0 means no error has been detected.
 <OL>
 <LI>The output <IMG
  WIDTH="22" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
- SRC="img95.png"
+ SRC="img99.png"
  ALT="$nz$"> is always the size of the output generated by
   the current call; thus, if <code>append=.true.</code>, the total output
   size will be <IMG
  WIDTH="74" HEIGHT="29" ALIGN="MIDDLE" BORDER="0"
- SRC="img105.png"
+ SRC="img109.png"
  ALT="$nzin+nz$">, with the newly extracted coefficients stored in
   entries <code>nzin+1:nzin+nz</code> of the array arguments;
 </LI>