[gfortran] Various spelling fixes and comment updates

[Tobias Schlüter]

Diego Novillo wrote:
> 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.
> 
Can someone commit this then please, as I don't have write access.

Thanks,
- Tobi