Name of the image format for the bitmap that is provided with a <glyph-data> element. This element is used to define a private use character when the <private-char> contains a bitmap.
| Value | Meaning |
|---|---|
| A word | A word naming the format of the bitmap. The word may not contain any spaces, and the characters of the word are limited to letters, numbers, and these special characters: period, hyphen, underscore, and colon. |