keeping track of the open cards for update

[Richard Gaskin]

Monte Goulding wrote:
 > On 27/07/2013, at 6:38 AM, Richard Gaskin wrote:
 >
 >> Yes, I've always believed that name was the slowest option, but
 >> it's the iteration that made me thinking that ordinal references
 >> would be at least as fast, and possibly faster since the lookup
 >> is ordinal by nature anyway but ordinal references require no
 >> additional ID comparison.
 >
 > I'm not really sure what you mean by ordinal references.

ordinal = order = "button 1", "field 4", etc.

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