Set c++-mode in Emacs

[mdjurfeldt]

The commonly used editor Emacs has editing modes for different programming languages. It usually determines the programming mode based on file extension, but .ino is not recognized by default. By adding the following comment at the end of the file (where it doesn't disturb anyone), C++ mode will be automatically set.

[thomasloven]

The right way to fix this issue is to configure emacs to recognize ALL .ino files as c++. There's probably even an arduino specific plugin or something.

[sm6yvr]

As tomasloven said, is it possible to set that in emacs instead of having it in the code? I think I will close this PR..

[mdjurfeldt]

Well, the advantage of having this innocuous comment in the file is that it will immediately work for any unconfigured emacs.

Den fre 11 maj 2018 00:26sm6yvr notifications@github.com skrev:

As tomasloven said, is it possible to set that in emacs instead of having it in the code? I think I will close this PR..

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[thomasloven]

Using a plugin has several other advantages, such as

• consistency across all arduino projects
• The ability to compile from inside emacs
• Syntax highlighting of arduino-specific keywords, such as Serial, delay etc.

... you know, the kind of thing vim does by default... :stuck_out_tongue_winking_eye:

That's not an argument against the idea, just food for thought.