Brian Schott wrote:
        Coincidentally, just before reading this thread, I
was exploring the code (below) you contributed in your plot
question thread and had difficulty removing the NB.'s in
that code using ctrl+shift+B. It appears that ctrl+shift+B
does not remove and indented NB. , either.

 demo=:3 :0
  ts=:32e5*2044791 2044818 2044845 2044872 2044899 2044926
  ht=:-584 594 572 583 572 572
  pd'reset'
  NB.pd'xticpos ',":ts
  NB.pd'xlabel ',label 3' -'&charsub&.>@<@":@{."1]1 tsrep ts
  pd'color blue,red'
  pd ts;ht,:_587
  pd'show'
)

This is intentionally so. The idea is that you can select a block of lines, then add and remove NB.s from them, where add/remove just toggles the state.

NB.s that are indented are not removed - there is no way to restore them afterwards, moreover it is most likely that you want to preserve any such even after commenting out, and then uncommenting a block of code.
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