You claim is not clear. "Unicode with various ways to represent é" is a shit show to parse using shell tools. e.g. Try scraping Spanish language Twitter feeds.

You claim is not clear. "Unicode with various ways to represent é" is a shit show to parse using shell tools. e.g. Try scraping Spanish language Twitter feeds. When I have done this kind of work, I made a tool to canonicalize glyphs and had to put it between every step of a pipeline.