resolution Resolution of the Glyph Bitmap

Resolution of a bitmap in dots per inch, expressed as a decimal integer (for example, “72” or “300”).
OPTIONAL on element: <glyph-data>
Value Meaning
Decimal integer The number of dots per inch of the bitmap.
Restriction @resolution is an optional attribute; there is no default.
Tagged Sample

Resolution of a bitmap (for a type of arrow)

<private-char name="NORTHWEST SOUTHEAST ARROW" description="Arrow,
  normal weight, single line, two-headed, Northwest to Southeast">
 <glyph-data id="NWSEArr" format="PBM" resolution="300"
   x-size="34" y-size="34">