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format Format

Name of the image format for the bitmap that is provided with a <glyph-data> element. (The <glyph-data> element is used to define a private use character when the <private-char> contains a bitmap.)

Usage/Remarks

If a plain bitmap is included inline, the value of this attribute should be “PBM”, indicating that the plain text bitmap will be a human-readable matrix of zeros and ones.
OPTIONAL on element: <glyph-data>
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.
Restriction @format is an optional attribute; there is no default.
Tagged Sample

A PBM bitmap format (for a <glyph-data>) 

...
<p>... The map symbol indicating these conditions will be a
 <private-char name="BentArrow" 
   description="Symbol - right arrow bending up over right arrow bending down">
  <glyph-data id="pc5001" format="PBM" resolution="300" x-size="15" y-size="28">
   000000000001000
   000000000011100
   000000000111110
   000000001111111
   000000000001000
   000000000001000
   000000000001000
   000000000001000
   000000000001000
   000000000001000
   000000000001000
   000000000001000
   111111111110000
   000000000000000
   000000000000000
   111111111110000
   000000000001000
   000000000001000
   000000000001000
   000000000001000
   000000000001000
   000000000001000
   000000000001000
   000000000001000
   000000001111111
   000000000111110
   000000000011100
   000000000001000
  </glyph-data>
 </private-char>. The NOAA 1993 standard definition of
 <private-char name="BentArrow" 
   description="Symbol - right arrow bending up over right arrow bending down">
  <glyph-ref glyph-data="pc5001"/>
 </private-char> will apply.</p>
...