[mkgmap-dev] Commit r4825: 2nd try to throw exception when invalid --code-page parameter is given

Version mkgmap-r4825 was committed by gerd on Wed, 01 Dec 2021 2nd try to throw exception when invalid --code-page parameter is given http://www.mkgmap.org.uk/websvn/revision.php?repname=mkgmap&rev=4825