However, they do agree that one should not capitalize the first letter after the colon. Lynne Truss (one of my heroes) does use a capital letter sometimes after ...
Do not capitalize after a colon if you're introducing a list. · When a colon introduces an incomplete sentence, do not capitalize the first letter unless it is a ...
Use a capital letter after a colon when the text to the right is the main point, a complete sentence, or two full sentences. This page explains when to use ...
If a complete sentence follows a colon, it is up to the writer to decide whether to capitalize the first word. Capitalizing a sentence after a colon is ...
When a colon introduces a phrase or an incomplete sentence that is meant to add information to the sentence before it, do not capitalize the first word after ...
A colon is nearly always preceded by a complete sentence; what follows the colon may or may not be a complete sentence, and it may be a mere list or even a ...