Source of my Battle for Wesnoth Campaign, Journey of a Frost Mage

• War of Legends era
• WISh, the War of Legends Inventory System

From the add-ons directory : path/to/wmlxgettext --directory="Frost_Mage" --domain="wesnoth-Frost_Mage" -o Frost_Mage/translations/wesnoth-Frost_Mage --recursive

Then cd to Frost_Mage/translations/wesnoth-Frost_Mage and update the po file with the new strings from the pot file : msgmerge -vU bn.po wesnoth-Frost_Mage.pot (change bn.po to the correct name for your po file)