> While we're at it, below is somewhat ugly sparse patch for detecting
quoted text
> "&& 0x" typos.

Excellent idea, and there is something to be said about a low-footprint patch
like that.  However, if you really want to capture this kind of bugs, you would
need to have some kind "not a boolean" or "bitfield" attribute that
can propagate.
For example, you would want

    if (foo && (BAR | BAZ)) ...;

with BAR and BAZ being hex constants to produce the same warning.

Incidentally, it is probably not just hex constants that deserve this treatment:
octal constants and variations of (1 << cst) are of the same nature.  As well
as enums defined in such manners.

Morten
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