Part period, part comma:
Punctuation marking drama ;
What emotion is wrought in
The halls of punctuative thought?
Stop here a little longer ;

Accepted uses :
— Between non–conjunct, closely–connected
Clauses main
— Between main clauses when transitions
Hold central positions
— Between main clauses with commas contained .

Detractors, however, focus on its abuses,
Feeling the mark should be cut ;
They only ‘show you’ve been to college,’
Snarked Vonnegut ;  conversely,
Remarking on marks of punctuation,
Dickens found a mark of sophistication .

Countering the colon half’s wanton abhorrence ;
A glorious glyph of punctuative nuance .