15. A system comprising: a computing device comprising: a memory configured to store instructions; and a processor to execute the instructions to perform operations comprising: receiving data representing a glyph in a font to present the glyph on a display; in response to operations being executed to present the glyph on the display, identifying one or more values shared by glyphs of the font for adjusting the appearance of the glyph, from a data table stored with the glyph in the font, either one or multiple instructions being executed based upon a comparison of adjusted versions of the glyph to identify the one or more shared values; and adjusting a representation of the glyph using the identified one or more shared values for presentation on the display.
15. A system comprising: a computing device comprising: a memory configured to store instructions; and a processor to execute the instructions to perform operations comprising: receiving data representing a glyph in a font to present the glyph on a display; in response to operations being executed to present the glyph on the display, identifying one or more values shared by glyphs of the font for adjusting the appearance of the glyph, from a data table stored with the glyph in the font, either one or multiple instructions being executed based upon a comparison of adjusted versions of the glyph to identify the one or more shared values; and adjusting a representation of the glyph using the identified one or more shared values for presentation on the display. 24. The system of claim 15 , wherein identifying the one or more control values is initiated by executing multiple instructions.