Hello,

according to the SVG 1.1 specification the glyph-name attribute of 
glyph elements, and the g1 and g2 attributes of hkern and vkern 
elements both have the format
"<name> [, <name> ]* "
which would imply a comma separated list.
In the section Basic Data Types under <list of xxx> the SVG 1.1 
specification states that
"Unless explicitly described differently, lists within SVG's XML 
attributes can be either comma-separated, with optional white space 
before or after the comma, or white space-separated."
(Which maybe doesn't apply here, since the expression <list of names> 
is not used.)

The SVG Tiny 1.2 Draft defines the attributes glyph-name, g1, and g2 
to be of the format
"<list-of-strings>"
which in the Basic Data Types section is defined as white space 
separated:
"A <list-of-strings> consists of a separated sequence of <string>s. 
String lists are white space-separated, where white space is defined 
as one or more of the following consecutive characters: "space" (U
+0020), "tab" (U+0009), "line feed" (U+000A) and "carriage return" (U
+000D)."

With comma separated lists kerning works in Apache Batik, the Adobe 
SVG Viewer, and (though not always correctly) in Opera, and from my 
understanding this behavior is standards compliant and should remain 
so for backwards compatibility.
Other opinions?


Regards
Frank


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