Improve documentation.
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@ -155,11 +155,15 @@ FT_BEGIN_HEADER
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/* add data from AFM or PFM files on a Type 1 */
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/* face, or a CIDMap on a CID-keyed face. */
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/* */
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/* get_advances :: A function handle used to return the advances */
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/* of 'count' glyphs, starting at `index'. the */
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/* `vertical' flags must be set when vertical */
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/* advances are queried. The advances buffer is */
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/* caller-allocated. */
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/* get_advances :: A function handle used to return advance */
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/* widths of 'count' glyphs (in font units), */
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/* starting at `first'. The `vertical' flag must */
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/* be set to get vertical advance heights. The */
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/* `advances' buffer is caller-allocated. */
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/* Currently not implemented. The idea of this */
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/* function is to be able to perform */
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/* device-independent text layout without loading */
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/* a single glyph image. */
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/* */
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/* <Note> */
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/* Most function pointers, with the exception of `load_glyph' and */
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