y-size Y Size of the Glyph

The number of rows in the bit-mapped glyph that has been declared with a <glyph-data> element as part of a <private-char> element.
OPTIONAL on element: <glyph-data>
Value Meaning
Number The number of rows (for example, “25”) used to define the glyph in a <glyph-data> element.
Restriction This is an optional attribute; there is no default.