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Every time I edit a Markdown file I cannot use the Enter key because the following characters are inserted instead:
I have to use fn+Enter (Apple keyboard) or o and O in command mode, but it's really annoying.
I do not know if this is specific to Markdown, but until now is the only file type which I have had problems with.
Anyone has the same issue?
After further investigation I think this is an issue related to Vimwiki, like issue #479. I've just fixed this behavior by disabling vimwiki in .gvimrc.before: