dwim as the value of TeX-master

[Hongyi Zhao]

The AUCTeX document on
<https://www.gnu.org/software/auctex/manual/auctex/Multifile.html>
says the following:

If the variable is dwim, AUCTeX will try to avoid querying by
attempting to “do what I mean”; and then change the file.

But I'm still not so clear on the specific mechanism/algorithm denoted
by “do what I mean”.

Any hints will be highly appreciated.

Regards
-- 
Assoc. Prof. Hongyi Zhao <hongyi.zhao@gmail.com>
Theory and Simulation of Materials
Hebei Vocational University of Technology and Engineering
No. 473, Quannan West Street, Xindu District, Xingtai, Hebei province