1. An edit selection control article of manufacture comprising: a combo box coupled to a list of entries of full textual length; an edit box coupled to said combo box within the edit selection control and configured to display a selected one of said entries; and, list management logic executing in memory of a computer coupled to said edit box and programmed to accept through said edit box as an alternative selection to said list of entries, a manually specified entry; the edit selection control having a structure defined by a dynamic markup language for use in a markup language document; and, selection transformation logic coupled to said edit box and programmed to transform said selected one of said entries into a hidden value and to return the computed value to a calling application based upon the selected one of the entries.