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Re: UFO (Unidentified Formatting Observation) on the web....

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Jon Molin
February 1, 2002 07:50
Re: UFO (Unidentified Formatting Observation) on the web....
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it's pod, do 'perldoc module' and 'perldoc perldoc'


Ron Goral wrote:
> I have a very beginner's question.  I've just been looking at the code for a
> library file and noticed some, to me, very peculiar things.  First, there is
> text that is not commented, it is just typed in place.  Why does this not
> interfere with the script?  Second, there are expressions like "=pod" and
> "=cut" and "=head1".  What do these mean?  Third, there is a "1;" at the
> very end of the file.  I've seen that before, but what is the purpose?
> Fourth, there is text like "I<delete_cookie> blah blah" and "B<MUST>" (I
> assume that this last is a comment on text decoration).  Can anyone tell me
> what these mean?  Is there a difference in a library file and a regular
> script file that allows for this?   Is there some tutorial or documentation
> about the differences in writing a library/module versus a normal script
> file?
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