[graphviz-interest] Confused about attributes for graphviz version 2.34.0 (20131125.0033)

Hi

If I run:

ron@zigzag:~/perl.modules/GraphViz2$ dot -T?

I get:

Format: "?" not recognized. Use one of: bmp canon cmap cmapx cmapx_np 
dot eps fig gd gd2 gif gtk gv ico imap imap_np ismap jpe jpeg jpg pdf 
pic plain plain-ext png pov ps ps2 svg svgz tif tiff tk vml vmlz vrml 
wbmp x11 xdot xdot1.2 xdot1.4 xlib

Should this list match the list of output formats on this page:

http://graphviz.org/content/output-formats

For example, gv is in the first list but not the second.

The context is a Perl module, GraphViz2 
(https://metacpan.org/release/GraphViz2), which is a wrapper around 
Graphviz, in which I validate parameters before calling any executables 
in Graphviz.

I'm not sure which list I should use to check user parameters.

-- 
Ron Savage
http://savage.net.au/
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