1. Space once after a comma. ,
2. Space once after a semi-colon. ;
3. Do not space before or after a hyphen. -
4. Space twice after a colon. :
5. Space twice after the punctuation at the end of a sentence.
6. Space once after a period used with initials or titles.
7. Space once before an open parenthesis but do not space after it. (
8. Space once after a closed parenthesis but do not space before it. )
9. Do not space between the number and the number sign. #
(The sign before a number means number and after a number it means pounds.)
10. Space before and after the ampersand (the and symbol &).
11. Do not space between the dollar sign and the number. $
12. Space once before and after the "at" symbol, except in e-mail addresses. @
13. Do not space between the number and the percent sign. %
14. Do not space before or after the forward slash. /
15. Punctuation goes before the closing quote marks. Example: He said, "Hi there, Ana."