Units crab walking

[slowbro]

I read first 10 pages and did a search but found nothing.My question:
I wondered, in Vanilla M2TW units spread out in combat walking backwards from the line doing the actual fighting. In mods like TATW the cohesion is much better units retain their formation in combat . Which file/files govern that and what parameters need changing? Hope its not animations cos that's lot of work. If this has been answered please point me to right thread. Thank you

[Taiji]

It's animations. Switching the animation for shuffle backwards with the one for shuffle forwards. That's what gives improved cohesion at the expense of units getting stuck walking into one another occasionally.

[slowbro]

thanks for quick answer does one have to change them all around for all melee units?