[bug-grep] PARAMS, gnulib update and const

[Claudio Fontana]

Hello,

two suggestions for review:

gnulib has removed PARAMS and thus support for pre-c89
compilers in 2003.
By importing gnulib, we will have some code using
PARAMS and some code assuming c89 or better compiler.
I would suggest following the gnulib and removing the
PARAMS clutter entirely. The alternative of importing
gnulib, then patching it to add PARAMS seems
unpratical to me.

In grep we have a pervasive use of const. It might be
a matter of taste, but personally I find const
useless, but what matters more is that the current
code casts away const when needed. I would suggest a
hunt-the-const.

If you generally agree, I would like to prepare two
patches addressing these issues.

Claudio



                
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