Hi,
why single-quote characters in my man pages all become "<A1><AF>" stuffs?
anyone has any idea? in fact, if I use "info" command or even directly open the man file, nothing gets wrong.

Below is an example of "man perl":
==================================================
PERL(1) Perl Programmers Reference Guide PERL(1)

NAME
perl - Practical Extraction and Report Language

SYNOPSIS
perl [ -sTuU ] [ -hv ] [ -V[:configvar] ]
[ -cw ] [ -d[:debugger] ] [ -D[number/list]]
[ -pna ] [ -Fpattern ] [ -l[octal] ] [ -0[octal] ]
[ -Idir ] [ -m[-]module ] [ -M[-]<AF>module...<AF> ]
[ -P ] [ -S ] [ -x[dir] ]
[ -i[extension] ] [ -e <AF>command<AF> ] [ -- ] [ programfile ] [ argument ]...

If you<A1><AF>re new to Perl, you should start with perlintro, which is a general intro for beginners and provides some background to help you navigate
the rest of Perl<A1><AF>s extensive documentation.

For ease of access, the Perl manual has been split up into several sections.

...