Is the offending character perhaps slanting single quote (`) ?
EDIT: Normal
Single quote ('),
Grave [backwards slant] (`),
Acute [forwards slant] (ˊ).
EDIT: Patman, post your actual problem filename.
EDIT: I note these new functions in Avs+:-
http://avisynth.nl/index.php/Interna...ring_functions
Code:
StrToUtf8
StrToUtf8(string) AVS+
Converts string from ANSI to UTF8.
StrFromUtf8
StrFromUtf8(string) AVS+
Converts string from UTF8 to ANSI