Assigning to ReadOnly properties

[Jonathan Watt]

T. Michael Keesey wrote:
> On Nov 12, 2007 2:22 PM, Jonathan Watt <jwatt at jwatt.org> wrote:
>> I'm not sure what maintaining case convention gives you here. Using |use
>> ReadOnlyError| is about as intuitive and easy to remember as it could be I think.
> 
> Since the existing pragma directives are all single words, they could
> be camel-humped or underscored for all we know.
> 
> Actually, no, I guess there's "use xml namespace [string or Namespace
> object]", which might suggest "use error [Class reference or object]".
> The latter could be used for other types of errors as well.

use error ReadOnlyError

seems fine to me, if a little redundant.