They can be really useful, but it’s worth bearing in mind that these are all inherently inaccessible to people browsing your source code using a screen reader o

They can be really useful, but it’s worth bearing in mind that these are all inherently inaccessible to people browsing your source code using a screen reader of some other non-visual presentation mechanism. By all means include them if you want, but it’s also good to use them as an enhancement to your textual representation rather than the only source.