How do I make Emacs show blank spaces?

Question

How can I make Emacs show blank spaces (like a space, a tab, a line-jump, etc). Many other editors like Kate and Eclipse have this feature and I find it very useful to see when

Answer 1

WhiteSpace mode is an Emacs minor mode for visualizing all white space characters in the current buffer. It can be activated with M-x whitespace-mode.

Here is a screenshot of WhiteSpace in action taken directly from the Emacs wiki,

Note: WhiteSpaceMode has now replaced BlankMode