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				@@ -1968,7 +1968,9 @@ $(document).ready(() => { 
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				                         try { 
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				                             const exprInfo = getExprInfo(colSetting.field, true); 
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				                             posData[exprInfo.expr] = trimInvalidChar(info.sheet.getText(curRow, curCol)); 
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				-                            posData[exprInfo.qty] = math.evaluate(transExpr(posData[exprInfo.expr])); 
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				+                            if (posData[exprInfo.expr] || !posData[exprInfo.qty]) { 
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				+                                posData[exprInfo.qty] = math.evaluate(transExpr(posData[exprInfo.expr])); 
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				+                            } 
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				                             bPaste = true; 
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				                         } catch (err) { 
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				                             toastMessageUniq(hint.expr); 
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