Modern code/Extra: add sniff to check for single blank line after namespace declaration #1156
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Related to #764
For now, I've added this as a separate section to
Extra
, but I'd like to use this to (re-)open the discussion on having separate (sub-)standards which only deal with code style or best practices (not mixed).Please add your voice to the discussions on this in #740 and #1067 (and let's make the discussion not be a blocker for this PR).