Bukkit/CraftBukkit — pull request #964 by t00thpick1 (2012-12-21 01:10:57+00:00)
Title: Access to allowedCharacters field  adds Bukkit-3225

Adds method to retrieve allowedCharacters field from SharedConstants in net.minecraft.server

Ticket: https://bukkit.atlassian.net/browse/BUKKIT-3225
Bukkit PR: https://github.com/Bukkit/Bukkit/pull/741