Show errors from quickfix

[drbeco]

If you have only coc to manage lint, it seems the signcolumn only shows errors from the coc list, not from the quickfix list.

For example, in this image bellow:

• line 37 is a COC / lint error shown with >>
• line 56 and 57 shows no error

Bellow in the image one can read that int i and char s[SBUFF] got an warning for never being used, in the quickfix window.

Also, if I move from error to error with COC shortcuts, it does not stops at those lines 56 and 57.

If I move with unimpaired [q and ]q shortcuts, on the other hand, it stops ONLY on the quickfix errors, and not on lines from COC / lint errors.

I wonder if we can unify this and make it a single list of errors, so the shortcuts and the signcolumn works.

Thanks