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Mac OS: How to remove black underline when typi...

Hi,

I'm using Mac Mini (mid 2011) with OS X Yosemite 10.10.3. Since yesterday, suddenly when I'm typing anywhere, be it Chrome, Sublime Text, Safari, etc. black underline will appear under the words I'm typing. The underline will be gone once I press space/tab. I think I accidentally press some shortcut that allow this to happen. I'm a developer and I found this annoying, as this causes my Code Completion not working properly. The word that I'm typing is not recognised until I press Space/Tab, whereas pressing the Tab will auto-complete the code already and didn't get to choose the auto-complete code properly.

Below are some examples:

SAFARI (underline)

Sublime Text 2 (boxed)

Please help advise how to disable this! Thank you!

In Safari, go to Edit on the menu bar -> Spelling and Grammar -> Uncheck Check spelling while typing. It works for me though.

最后更新：2017-09-21 07:55:29

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