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Why don't we have a // comment in CSS?

Possible Duplicate:
Why do /**/ comments work in stylesheets but // comments don't?

In CSS there is only one way to create comments: /* I'm a comment */

The problem is that it isn't nestable.

Why don't we have an alternative comment syntax like //?

Solution

  • I think the real answer is that CSS treats newlines like any other whitespace, so it wouldn't make sense to have comments that are terminated by a newline. This is from the CSS1 spec: http://www.w3.org/TR/REC-CSS1

    A CSS style sheet, for any version of CSS, consists of a list of statements. There are two kinds of statements: at-rules and rulesets. There may be whitespace (spaces, tabs, newlines) around the statements.

    Of course, this also makes a lot of sense in the context of minification, as mentioned here: Why do /**/ comments work in stylesheets but // comments don't?.