The "-" key goes up a line in vim -


when hit "-" key on keyboard vim goes line. .vimrc blank , when type in :map - vim says "no mappings found." have no idea causing this. using mac—could terminal.app problem?

thanks

from :help - (it isn't mapped, motion command) 

-  <minus>      [count] lines upward, on first non-blank             character |linewise|.

and + same downward.


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