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bug#9259: extra line in "unless" docstring?

From: Juanma Barranquero
Subject: bug#9259: extra line in "unless" docstring?
Date: Mon, 8 Aug 2011 15:51:15 +0200

> (unless COND BODY...)
> If COND yields nil, do BODY, else return nil. <--------what is this line 
> doing here?

The same happens for `when', BTW.

It's not a bug. Most docstrings are written so the first line provides
a summary of the corresponding function/macro/special form/variable.
This makes the output of apropos more useful.


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