Then you run into ASCII art some end user made, or pre-Unicode text from Scandinavia where 0x7C was the code point of a letter. Commas make it pretty obvious wh

Then you run into ASCII art some end user made, or pre-Unicode text from Scandinavia where 0x7C was the code point of a letter. Commas make it pretty obvious which tools are unusably broken, where very rare characters let these bugs go undetected far too long.