Fixes #2434 Tagging support allows creation of tags that are only whitespace
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@ -2953,7 +2953,7 @@ the specific language governing permissions and limitations under the Apache Lic
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// multi
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onSelect: function (data, options) {
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if (!this.triggerSelect(data)) { return; }
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if (!this.triggerSelect(data) || data.text === "") { return; }
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this.addSelectedChoice(data);
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