How to update a lua script from 3.1 to 3.2

This document describes how to convert freeciv-3.1 compatible lua script to one compatible with freeciv-3.2. Please check these carefully to avoid your script mis-behaving, maybe in some rarely reached special case. These are changes to scripting API requiring special attention. Additions to the API that do not affect old scripts are not listed.

Version functions

fc_version() method has been deprecated. Replace uses with one of name_version(), comparable_version(), or version_string() depending on what exactly you need.