HP-UX 11i Installation and Update Guide, March 2003

Known Problems and Troubleshooting
Problems Affecting non-C Locales
Appendix B192
For example, when you try to convert a double-byte Hiragana
character to a double-byte Katakana character, you may find the
character itself has been changed, not just the type.
What To Do Get the patch jperl5.005_03 and apply it to Perl. This patch is open
source and available at a number of non-HP FTP sites.
Follow these steps:
Step 1. Get the Perl 5.005_03 source files from: http://devresource.hp.com
Step 2. Download patch jperl5.005_03 from an open-source Perl site.
Step 3. Apply the patch to the source code, and build it.
NOTE Once patched with jperl5.005_003, Perl cannot be used as Mod_perl
under the Apache server.