shithub: mc

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Don't loop infinitely computing cellwidth of bad chars.

--- a/lib/std/utf.myr

+++ b/lib/std/utf.myr

@@ -143,7 +143,7 @@

 	while s.len > 0

 		(c, s) = charstep(s)

-		if c == Badchar

+		if s.len != 0 && c == Badchar

 			/* Something will probably be printed as U+FFFD */

 			n++

 		elif c < 0x20