New answers tagged company-mode
2
Depending on what causes the duplicates, you might be talking about https://github.com/company-mode/company-mode/issues/413, https://github.com/company-mode/company-mode/issues/285 (which are actual bugs/design problems, though they only should come up with certain customizations), or about having the same symbols show up twice coming from different backends,...
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If you can't put your cursor on a character that has the face (which I'm guessing is the case for a Company popup menu), then use M-x list-faces-display.
That shows you all of the currently defined faces - what they look like - with links to customizing them.
You can usually tell by the appearance of a face and looking for its name (e.g. company- something) ...
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