vim "modifiable" is off

vim vi macvim nerdtree
wesbos picture wesbos · Apr 21, 2011 · Viewed 87.5k times · Source

Trying to create a new file with nerd tree. I hit the a key to create a new file and i get the message:

E21: Cannot make changes, 'Modifiable' is off

I'm using MacVim and Janus (almost out of the box)

Answer

Adam Soltys picture Adam Soltys · Mar 14, 2012 
:set ma

which is short for 

:set modifiable

will make a buffer modifiable. And

:set noma

does the opposite.

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