1. A method, comprising: receiving a textual data set comprising a plurality of character codes, each respective character code comprising a code value indicating at least one respective text character to be visually rendered; and determining, based on the textual data set, a drawing instruction set comprising, for each respective code value within the plurality of character codes, a respective at least one drawing instruction in a rendering language to draw at least part of a glyph of the respective code value, wherein each respective at least one drawing instruction excludes an indication of a correspondence with the respective character code, wherein each respective at least one drawing instruction for a specified text character excludes instructions to repeat drawing instructions specified for other instances of the specified text character.
5. The method of claim 1 , wherein the textual data set comprises: a first character code indicating a first presentation of a first text character at a first location; and a second character code indicating a second presentation of a second text character at a second location different from the first location, and wherein the drawing instruction set comprises one single drawing instruction in the rendering language that comprises instructions for drawing at least part of the first presentation and the second presentation.