On Mar 25, 2007, at 3:16 PM, Alvin wrote:

>
> I'm only guessing, but what I have assumed is that the naming  
> scheme is:
>
>    Fl_ denotes classes
>    fl_ denotes functions
>
> As for the .H, I'm not sure what the convention for using .H or .h  
> in the
> FL/ directory. However, in Linux, the installation of the library  
> creates
> the corresponding .h symlinks along with a Fl/ directory symlink.

The .h files originally created functions that could be used in a "C"  
environment whereas the ".H" files could only be included by "C++"  
files. This is a leftover from times where header files for C++ would  
get extensions like .hh and .h++ as well.

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