LDAP VCard template should not replace non-placeholders

When configuring Openfire to work with an LDAP directory service, a VCard is constructed based on a template, that has placeholders to be replaced with LDAP data.

A simplified example:

In this example, values surrounded by { and } characters should be replaced by corresponding LDAP values.

There's an issue in Openfire where it also replaces (some) values that are not (such as the 'type' element in the above example.

Openfire should only replace values surrounded by { and }