Ricty Diminished is a font based on Inconsolata and Circle M+ 1m, optimized for the programming usage.

- Use Inconsolata for the Latin character glyphs and "Circle M+ 1m" font for other glyphs. - Adjust the width of full-width and normal-width character glyphs to 2:1 ratio exactly full and half. - Design the comma, period, colon, semicolon and bracket character glyphs to differentiate each other clearly to prevent confusions. - Design the high visibility p-sound sign attached Kana character glyphs. - Design the En-dash and Em-dash glyphs show them as the broken line to prevent input failures for LaTeX. - It shows Em-size space as "box" character because Em-size space often. prevents debugging since users usually miss it. With Ricty Diminished font, users can find and fix it easily.