Punctuational

Homage to the fullstop

Not to put a too finer point on the matter but without it this sentence would not end .
Cherry

Colonectomy

Colonectomy : In for a spell, Hospital, Nothing serious, Just a colonectomy, ;

Comma Chameleon

, , , , , Cha-me-leon (admit it, you counted the commas didn't you?)

Non-identifying Relative Causes

I'm writing to clarify a usually unacknowledged but much abused point of grammar, Not discuss an ex-girlfriend, That/which, In indeterminate clauses, which is acceptable after a comma,