Readers interested in my progress with this research might like to know of the following web page.
I have now started to try to make a font of authoring-time glyphs for the commands in the paper_draft_005.pdf document, mapping them into plane 15, using the substitution of F for the X used in the document and A for the Y used in the document.
This means that the glyphs need to be placed within U+FA000 to U+FA10A and U+FA200 to U+FA20F.
I have started with a copy of my Quest text font, version 2.211.
I am referring to the thread High Plane Unicode Mapping as I proceed.
Designing the font is interesting as I am trying to have clear glyphs that are each indicative of a command of the portable interpretable object code without displaying the whole expression. For example, using w{ within a rounded square for the glyph for the while command and maybe }w within a rounded square for the glyph for the endwhile; command. Maybe just a d on its own within a rounded square for the glyph for the do command. The glyphs for the repeat loop commands and the glyphs for the if statement commands could be designed in a similar manner. There is an interesting design problem regarding the glyphs for the elsif and else commands. For example, maybe an e on its own for the glyph for the else command and maybe ei for the glyph for the elsif command.
William Overington
10 June 2010