[patch #6869] fgrep/egrep returns wrong matched none UTF-8 chars

[Norihirio Tanaka]

Follow-up Comment #1, patch #6869 (project grep):

The usage of `echo' is incorrect.  Instead, use `printf'.

$ /bin/echo -e "x81x30x89x38"
x81x30x89x38
$ /bin/echo -e "x81x30x89x38" | od -tx1 -Ax
000000 5c 78 38 31 5c 78 33 30 5c 78 38 39 5c 78 33 38
000010 0a
000011
$ printf "x81x30x89x38" | od -tx1 -Ax
000000 81 30 89 38
000004

$ printf "x81x30x89x38" | LANG=zh_CN.gb18030 grep -o '0'
$ printf "x81x30x89x38" | LANG=C grep -o '0'
0
$ grep --version
GNU grep 2.5.4

Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.


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