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This attribute defines the distance from the origin to the top of accent characters, measured by a distance within the font coordinate system.
If the attribute is not specified, the effect is as if the attribute were set to the value of the
|Normative document||SVG 1.1 (2nd Edition)|
Real numbers are specified in one of two ways. When used in a stylesheet, a <number> is defined as follows:
number ::= integer | [+-]? [0-9]* "." [0-9]+
This syntax is the same as the definition in CSS (CSS2, section 4.3.1).
When used in an SVG attribute, a <number> is defined differently, to allow numbers with large magnitudes to be specified more concisely:
number ::= integer ([Ee] integer)? | [+-]? [0-9]* "." [0-9]+ ([Ee] integer)?
The following elements can use the