That is correct as it applies to the techs that use the dice interface provided (tech buying/rolling). Which is 99% of maps.
The other 1% use triggers to activate techs and triggers to place an x in the technology list.
Re: XML option browser
...to add a link to this tool to the User Guide page?
The "View the tool so far" link is far too easy to miss and/or overlook! Trust me, that makes it very frustrating.
At the very least, you should make that link a lot bolder.
@schulz With version 2.6, now in prerelease, all xml's in the same folder must use the same map.
@lafayette Yes, but they have common everything except their XML files. I mean for stand alone games without common files.
@schulz yes, there are a number of maps that have multiple XML files.