Cumulative ignore reader macros

[helins]

Not top priority but Clojure allows to chain several #_. For instance, the following fails with the Convex Reader while the Clojure Reader would effectively ignore both forms:

#_ #_ :foo :bar

Sometimes useful.

[mikera]

Hmmm the intention is to ignore both? Makes sense I guess if the inner ignore is considered as "nested".

[helins]

Yes, you can't "ignore ignoring", they have a cumulative effect. Since there are 2 #_ in the example, the next 2 forms afterwards should be ignored.

Subtle touch, granted, but sometimes useful during dev. Allows for quickly ignoring forms in a row.