I think some of the empty lines were removed in a recent PR by @lafriks

@techknowlogick this is most common usage. easy to find a selector.

No empty lines if no selector/ attribute is in between. eg.

  }
}

i try to get an linter into lessc - it has an plugin (i mostly use sass and a gulp build pipeline). Source map is the next goal. Is only loaded if Development console is open

Btw:
Current, but single selector per line is a nice rule

footer {
	.ui.container .left, .ui.container .right {
		@media only screen and (max-width: 880px) {
			display: block;
			text-align: center;
			float: none;
		}
	}
}

Single line (and max-depth to avoid very large selectors):

footer {
    .ui {
        &.container {
            .left,
            .right {
                @media only screen and (max-width: 880px) {
                    display: block;
                    text-align: center;
                    float: none;
                }
            }
        }
    }
}

Codecov Report

Merging #6921 into master will increase coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #6921      +/-   ##
==========================================
+ Coverage   41.38%   41.38%   +<.01%     
==========================================
  Files         440      440              
  Lines       59703    59703              
==========================================
+ Hits        24709    24710       +1     
  Misses      31755    31755              
+ Partials     3239     3238       -1

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Sounds good. If you could get that linter in here as well that'd be awesome.

Thanks for all your contributions recently.

@techknowlogick nope, I also added some newlines :) But only in one file that I was changing

@lafriks ah ok. I just remembered something about empty lines. Thanks for clarification.