[PATCH] fix UTF-8 issues in read() builtin

[Alexey Zinovyev]

Hello, I think there is a bug in read() builtin.

$ cat test
echo 'ρ'|while read i; do echo $i; done
$ dash test

$ bash test
ρ

Same with some japanese symbols.
Looks like dash strips 0x81 byte. 

diff --git a/src/miscbltin.c b/src/miscbltin.c
index 5ab1648..f8c5655 100644
--- a/src/miscbltin.c
+++ b/src/miscbltin.c
@@ -101,7 +101,6 @@ readcmd_handle_line(char *line, char **ap, size_t len)
                         * will not modify the length of the string */
                        offset = sl->text - s;
                        remainder = backup + offset;
-                       rmescapes(remainder);
                        setvar(*ap, remainder, 0);
 
                        return;