element-to-attribute changes in ACI

All --

>         h.) ACI formulation of dashLength [9]
>                 -- Proposed closure:  XML attribute coded as 
> list-of-number [9b]
>                 -- (Comments unanimously support this closure.)

This is now implemented in the current editors draft, 9.3.3.9 [1], 9.3.3.10 
[2] 9.4 [3], and external DTD file [4]:

[1] 
http://www.w3.org/Graphics/WebCGM/drafts/current-editor-21/WebCGM21-Config.html#ACI-ledtdef
[2] 
http://www.w3.org/Graphics/WebCGM/drafts/current-editor-21/WebCGM21-Config.html#ACI-hatchdef
[3] 
http://www.w3.org/Graphics/WebCGM/drafts/current-editor-21/WebCGM21-Config.html#ACI-dtd
[4] 
http://www.w3.org/Graphics/WebCGM/drafts/current-editor-21/webcgmConfig21.dtd

Note that the fix is implemented for 4 element-to-attribute changes, as 
detailed in Change Log [5], per WG resolution.

-Lofton.

[5] 
http://www.w3.org/Graphics/WebCGM/drafts/current-editor-21/WebCGM21-Appendix.html#webcgm_changelog