Bug on GNUWin32 sed 4.1.4

Hi,

I think it is a bug. But I hope someone can tell why it is not
a bug? Or, if it does is a bug, please advise what kind of info
should also be provided before submitting it?

Windows sp1
GnuWin32 sed 4.1.4

lost response when:
echo 中aaa| gsed "s/[a-z]//g; s/./a/g"

Here is the script,
gsed "s/[a-z ]//g; s/./a/g"
to strip English letters from input which contains Chinese
character (double byte)and replace Chinese chars with "a"s.

-------------------------------------------------
E:\tmp>echo 中a| gsed "s/[a-z]//g; s/./a/g"
a              <- one Chinese char follows a letter

E:\tmp>echo 中aa| gsed "s/[a-z]//g; s/./a/g"
a              <- follows 2 letters

E:\tmp>echo 中aaa| gsed "s/[a-z]//g; s/./a/g"
^C             <- follows 3 letters  ** without response **
E:\tmp>echo 中aaaa| gsed "s/[a-z]//g; s/./a/g"
a              <- follows 4 letters

E:\tmp>echo 中aaaaa| gsed "s/[a-z]//g; s/./a/g"
^C             <- follows 5 letters   ** without response **
E:\tmp>echo a中aaa| gsed "s/[a-z]//g; s/./a/g"
a              <- OK if the Chinese char doesn't come first

E:\tmp>echo a中aa| gsed "s/[a-z]//g; s/./a/g"
a

-------------------------------------------------

gsed 4.1.1 DJGPP port, ssed 3.62, csed is OK with the
same command, though they replace the Chinese char with
2 "a"s instead of 1.

E:\tmp>echo 中aaa| gsed411 "s/[a-z]//g; s/./a/g"
aa

I tried to put the script and input into files and invoked
gsed -f shouldnotcrash.sed test.file
but it lose response again.

-- 
Regards,
hq00e



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