[fpc-pascal] differences between .pp and .pas files
Michael Van Canneyt
michael at freepascal.org
Mon Feb 25 09:30:54 CET 2013
On Mon, 25 Feb 2013, Sven Barth wrote:
> Am 25.02.2013 07:14 schrieb "Eric Kom" <erickom at metropolitancollege.co.za>:
> > Good day,
> > Please what is a difference between .pp and .pas files extension?
> It's mostly a historical difference..pas are units that could (originally) be compiled with Turbo Pascal as well (which is why all
> units of the compiler use .pas) while .pp was designated for units that can only be compiled by FPC (which is why the old units of
> the RTL are called .pp). There is no technical difference between them. And for compatibility with Mac or Apple Pascal FPC also
> supports .p (this extension can be seen in the Photoshop 1.0 source for example).
> Today .pp is used for example for FPC's test files (also for new ones) out if habit.
I think you are under a misapprehension. It is not 'out of habit'.
I use .pp for all my contributions, out of principle.
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