Definitions for "Preprogram"
An optional program in a TrueType font, executed by the TrueType *rasterizer whenever the point-size, *resolution, or *transformation matrix of a font changes. The preprogram typically sets up values that are used by many characters in the font, for maintaining consistency, including those in the *CVT. The preprogram is the *'prep' table in the TrueType font file.
Keywords:  halts, finite, partial
a finite partial state that halts