I just eradicated a pretty embarrassing and confusing typo: In Escort Warcor (a pretty cool mission which took me a while to hammer out, so please give it a try!) the warcors are of course deployed together with the other troopers of each army.
Also I noticed that I had not specified in every mission that objective markers are placed before deployment. But I guess that is obvious to everyone.
20x20 is a one man show. I have learned to read very quickly during my university time just scanning for the most important bits. This has the unfortunate side effect that I may overlook details, especially if I have written the text myself and know what it should mean.