[joegahona]

"White space" is two words, not one.

[tshaddox]

In computing it is widely used as a single word "whitespace." For example:

- The XML W3C Rec: https://www.w3.org/TR/xml/

- The HTTP 1.0 RFC: https://tools.ietf.org/html/rfc1945

However, there are exception. The Unicode character database has a property called "White_Space" which implies it is two words: http://www.unicode.org/reports/tr44/#White_Space

[nanis]

> a property called "White_Space" which implies it is two words

<tongue-in-cheek> Except that `_` is a "word" character by default. </tongue-in-cheek>

[tobr]

As far as I can tell, both are common, but “white space” is more common as a synonym to negative space, and “whitespace” is more common to refer to the characters. If so, the “white-space” property controls whitespace, not white space.

[scubbo]

"White" and "space" are two words, and "Whitespace" is one word.