`assert' macro

[Johan Bockgård]

The `assert' macro from cl-macs is used in several files in Emacs. It
expands into the following code.

    (macroexpand '(assert x))
     =>
    (progn (or x (signal 'cl-assertion-failed (list 'x))) nil)

Unless cl is loaded `cl-assertion-failed' is not a known error symbol
though, so if the assertion fails it will produce a "peculiar error"
that is impossible to catch. It should signal a known condition.

-- 
Johan Bockgård