[Patch, Fortran] Documentation for type-bound procedures

[Daniel Kraft]

Hi,

here's my follow-up patch to document type-bound procedures in a new 
chapter about F2003 OOP internals in gfc-internals.texi and to extend 
dump-parse-tree.c to output procedure bindings (type-bound procedures 
and finalizers).  I also included code to output EXPR_COMPCALL and 
EXEC_COMPCALL nodes; but as those are currently always transformed into 
ordinary calls this code is never executed at the moment.  I still think 
it is best to put it in and adapt it if needed later when those 
expressions will stay until trans for dynamic dispatch (or whatever 
might come).

I will regression-test (and make pdf html) tomorrow.  Ok to commit if no 
errors?

I'm of course happy about comments on my text on spelling or "more 
English" sentences if you've got any :)

Yours,
Daniel

-- 
Done:     Arc-Bar-Cav-Sam-Val-Wiz, Dwa-Elf-Gno-Hum-Orc, Law-Neu-Cha, Fem-Mal
To go:    Hea-Kni-Mon-Pri-Ran-Rog-Tou
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