Originally Posted by Gillianren

They use a question mark and let the words demonstrate the rest, or else they clearly phrase it as a question and end it with a period. (I prefer the former.) However, you get one punctuation mark to end a sentence. Using more than one is like using both x and * at the same time to represent multiplication. It's wrong and silly-looking.

And trying to write without a fundamental understanding of grammar is like trying to do physics without a fundamental understanding of arithmetic. You may be on the right track, but at the heart, you're still wrong.

ETA--oh, yeah. And "proofread" is one word.