There are some places where svg needs to parse things into a list or parse a special list, namely
value followed by optional value.
Created attachment 12118 [details]
This should be a simple change. I think the existing testcases are enough for this functionality.
Comment on attachment 12118 [details]
Looks good to me. The only nit is that you should remove this line from the ChangeLog,
+ WARNING: NO TEST CASES ADDED OR CHANGED
Landed in r18487.