Re: diffseq: Introduce EQUAL_IDX for comparing indexes instead of elements

[Bruno Haible]

Hi Eric,

Eric Blake wrote:
> > +   It is also possible to you this file with abstract arrays.  In this 
> > case,
> 
> s/you/use/

Oops, thanks. Corrected.

> > +#ifdef ELEMENT
> >    ELEMENT const *const xv = ctxt->xvec; /* Still more help for the 
> > compiler. */
> >    ELEMENT const *const yv = ctxt->yvec; /* And more and more . . . */
> > +  #define XREF_YREF_EQUAL(x,y)  EQUAL (xv[x], yv[y])
> 
> Isn't the more typical style:
> 
> # define XREF...
> 
> rather than the leading whitespace?

Yes, the more typical style is based on K&R C, which didn't allow the '#' to be
indented like the rest. This is fixed in ANSI C, and all ANSI C compilers
support indented preprocessor directives. I am deliberately experimenting, in
order to see where this freedom of formatting can yield more legible code.

Bruno