[gfortran] Various spelling fixes and comment updates

[Diego Novillo]

On Sat, 2004-05-08 at 13:54, Tobias Schlüter wrote:

> 	* array.c (match_subscript, match_array_ref): Add comments
> 	explaining argument 'init'.
> 	* decl.c, f95-lang.c, match.c, resolve.c, trans-array.c,
> 	trans-expr.c, trans.c: Fix some typos in comments.
> 	* dump-parse-tree.c (gfc_show_expr): Remove wrong comment.
> 	* primary.c (match_digits, match_integer_constant): Add comment
> 	explaining signflag.
> 
OK.  Any documentation, spelling and minor fixes are pre-approved before
the merge.


Diego.