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CD-ROM Today - The Disc! 5
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CD-ROM Today - The Disc (Issue 5)(November 1994).ISO
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KEYWORDS
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1994-09-21
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809b
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35 lines
KEYWORDS:
There are a few keywords in the RLaB language. They are:
if
else
while
for
in
break
continue
function
local
static
return
help
rfile
quit
$self
$$
These words, when seen are instantly recognized as keywords.
There use as anything else is an error. To get help on any of
the keywords type `help KEYWORD' (the keyword in upper-case).
Builtin functions are not the same as keywords, although you
will have some trouble if you try to use one of them as an
ordinary variable. In fact, builtin functions are ordinary
variables, with one exception; users cannot change them. Thus,
if you try to re-assign a builtin function you will get an
error message.
On the other hand, user-functions are exactly like ordinary
functions, they can be re-assigned or deleted altogether.