Re: [wwwdocs, PATCH] gcc-15/porting_to: add section on new C23 keywords

[Joseph Myers]

On Wed, 15 Jan 2025, David Malcolm wrote:

> +<p>
> +  In C99 and later you can use <code>#include &lt;stdbool.h&gt;</code>
> +  which provides a definition of <code>bool</code> compatible with C23.
> +</p>
> +  Note that the <code>bool</code> type is <b>not</b> the same
> +  as <code>int</code> at ABI level, and so care may be needed porting
> +  declarations that appear at an ABI boundary (or serialized to the
> +  filesystem.
> +</p>

OK, though this last paragraph should probably have an opening <p>, and as 
discussed on IRC it might make sense to mention that C99/C23 bool can only 
store values 0 and 1.  Maybe also mention that <stdbool.h> provides all of 
bool, true and false (not just bool).

-- 
Joseph S. Myers
josmy...@redhat.com