Accented characters in name unsupported in invitation email subject

Summary

Accented characters in the user's name are unsupported in JIRA invitation email subject

Steps to Reproduce

1. Add an accented character to your full name in your Atlassian account.
2. In JIRA, send an invitation request to a user

Expected Results

Email subject: Test Test has invited you to Jira

Actual Results

Email subject: Tést Tèst has invited you to Jira

Workaround

There is none...simply replace the accented character in your full name.