This font is a modified version of Dejavu sans, which is a derivative of Bitstream Vera.
All glyphs by Tavmjong Bah (Arev Fonts) have been removed, but just in case I forgot 
something, I left that part of the license file intact.

Changes made by S. Parkin, 2026/09/16

Visible ASCII only - all others scrubbed. Capital 'I' and small 'a' are modified
to modified to add serifs (to I) and use a single-storey 'a'.