This attribute defines the maximum unaccented depth of the font within the font coordinate system.
If the attribute is not specified, the effect is as if the attribute were set to the
vert-origin-y value for the corresponding font.
|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