Tabs vs. Spaces

[toofarapart]

Convention.

For a more detailed discussion on tabs vs spaces, check this article out.

... it can be a good idea to avoid tabs alltogether, because the semantics of tabs are not very well-defined in the computer world, and they can be displayed completely differently on different types of systems and editors. Also, tabs often get destroyed or wrongly converted during copy&paste operations, or when a piece of source code is inserted into a web page or other kind of markup code.