How can we make it easier to experiment with the compiler?

[Walter Bright]

On 5/26/2021 8:06 PM, Walter Bright wrote:
> On 5/25/2021 6:25 PM, Nicholas Wilson wrote:
>> ...Illusions of Progress provide no actual utility, hence illusions.
>> Packaging DMD otoh, provides _lots_ of utility: exploration and navigation is 
>> greatly eased, moreso for people who are less familiar with the codebase.
> 
> Creating a FILES.md file, the content of which is each source file with a brief 
> description, will accomplish the same thing.

I see this has already been done:

https://github.com/dlang/dmd/blob/master/src/dmd/README.md

It's a bit out of date, files like typesem.d are missing.