6
votes
2answers
302 views

What is the difference between `-` and `--` [duplicate]

Possible Duplicate: When should I use an em-dash, an en-dash, and a hyphen? Is there any difference between: - and -- or in some cases, a long dash I have seen these two used lots of ...
12
votes
3answers
4k views

Parentheses vs. double commas vs. dashes to provide additional detail

When do you use commas and when do you use parentheses to provide more detail about something? For example: The suspect, Tom Wilson, is now being charged with murder. The suspect (Tom Wilson) is ...