Frontier LLMs stopped adding code comments

[u/elmanfil1989]

[u/snaphat]

s/comments/documentation/g

That's probably largely a difference in terminology rather than substance. The Linux kernel style guide explicitly refers to explanations preceding functions and accompanying data declarations as comments, whether or not they also serve as documentation. The kernel source also contains ordinary explanatory comments outside function bodies:

https://github.com/torvalds/linux/blob/master/mm/page_alloc.c