Not MicroSoft Word (Clippy, say it isn't true!).
Suggestions posted to the NEURON Forum include NoteTab, CREdit, and emacs--see
https://www.neuron.yale.edu/phpBB2/viewtopic.php?t=148
Here are some recent suggestions for OS X
https://www.neuron.yale.edu/phpBB2/viewtopic.php?t=874
Which editing program to use?
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