请提供XSLT逻辑（可以使用XSLT 1.0或XSLT 2.0版本），以将下面格式不正确的xml输入转换为格式正确的XML数据。
输入：
<?xml version="1.0" encoding="UTF-8"?>
<ns0:Messages xmlns:ns0="http://sap.com/xi/XI/SplitAndMerge">
<ns0:Message1>
<ns0:invoiceOrder xmlns:ns0="http://cts.com"
type="ABCD"
businessDivision="X0"
salesOrganization="XYZ10"
Channel="Y0">
<ns0:references>
<ns0:key type="Source System">ABC</ns0:key>
<ns0:relationship scheme="Customer" schemeAgency="APAC" role="Sell to">703760000</ns0:relationship>
<ns0:document type="Purchase Order">AB123</ns0:document>
</ns0:references>
<ns0:notes>
<ns0:note type="XY67" language="EN">package1</ns0:note>
</ns0:notes>
<ns0:orderLines>
<ns0:orderLine>
<ns0:identifiers>
<ns0:identifier scheme="Item" schemeAgency="ABC">100411</ns0:identifier>
</ns0:identifiers>
<ns0:amounts>
<ns0:amount type="credit Amount">274.50</ns0:amount>
</ns0:amounts>
</ns0:orderLine>
<ns0:orderLine>
<ns0:identifiers>
<ns0:identifier scheme="Item" schemeAgency="ABC">140072</ns0:identifier>
</ns0:identifiers>
<ns0:amounts>
<ns0:amount type="credit Amount">58.41</ns0:amount>
</ns0:amounts>
</ns0:orderLine>
</ns0:orderLines>
<ns0:terms>
<ns0:term type="Reason Code">D19</ns0:term>
<ns0:term type="Payment Terms">Y000</ns0:term>
</ns0:terms>
<ns0:billingInfo>
<ns0:paymentMethod/>
</ns0:billingInfo>
<ns0:flags>
<ns0:flag type="1099 Payment Flag">Y</ns0:flag>
</ns0:flags>
<ns0:dates>
<ns0:date type="Proposed Invoice Date">2018-11-02</ns0:date>
</ns0:dates>
</ns0:invoiceOrder>
</ns0:Message1>
</ns0:Messages>
<ns0:Messages xmlns:ns0="http://sap.com/xi/XI/SplitAndMerge">
<ns0:Message1>
<ns0:invoiceOrder xmlns:ns0="http://cts.com"
type="ABCD"
businessDivision="X0"
salesOrganization="ABC10"
Channel="Y0">
<ns0:references>
<ns0:key type="Source System">ABC</ns0:key>
<ns0:relationship scheme="Customer" schemeAgency="APAC" role="Sell to">702390000</ns0:relationship>
<ns0:document type="Purchase Order">AB123</ns0:document>
</ns0:references>
<ns0:notes>
<ns0:note type="XY34" language="EN">package2</ns0:note>
</ns0:notes>
<ns0:orderLines>
<ns0:orderLine>
<ns0:identifiers>
<ns0:identifier scheme="Item" schemeAgency="ABC">100411</ns0:identifier>
</ns0:identifiers>
<ns0:amounts>
<ns0:amount type="Rebate Amount">76.25</ns0:amount>
</ns0:amounts>
</ns0:orderLine>
<ns0:orderLine>
<ns0:identifiers>
<ns0:identifier scheme="Item" schemeAgency="ABC">140072</ns0:identifier>
</ns0:identifiers>
<ns0:amounts>
<ns0:amount type="Rebate Amount">9.74</ns0:amount>
</ns0:amounts>
</ns0:orderLine>
</ns0:orderLines>
<ns0:terms>
<ns0:term type="Reason Code">Y19</ns0:term>
<ns0:term type="Payment Terms">Y000</ns0:term>
</ns0:terms>
<ns0:billingInfo>
<ns0:paymentMethod/>
</ns0:billingInfo>
<ns0:flags>
<ns0:flag type="1099 Payment Flag">Y</ns0:flag>
</ns0:flags>
<ns0:dates>
<ns0:date type="Proposed Invoice Date">2018-11-02</ns0:date>
</ns0:dates>
</ns0:invoiceOrder>
</ns0:Message1>
</ns0:Messages>
预期输出：
<?xml version="1.0" encoding="UTF-8"?>
<ns0:Messages xmlns:ns0="http://sap.com/xi/XI/SplitAndMerge">
<ns0:Message1>
<ns0:invoiceOrder xmlns:ns0="http://cts.com"
type="ABCD"
businessDivision="X0"
salesOrganization="XYZ10"
Channel="Y0">
<ns0:references>
<ns0:key type="Source System">ABC</ns0:key>
<ns0:relationship scheme="Customer" schemeAgency="APAC" role="Sell to">703760000</ns0:relationship>
<ns0:document type="Purchase Order">AB123</ns0:document>
</ns0:references>
<ns0:notes>
<ns0:note type="XY67" language="EN">package1</ns0:note>
</ns0:notes>
<ns0:orderLines>
<ns0:orderLine>
<ns0:identifiers>
<ns0:identifier scheme="Item" schemeAgency="ABC">100411</ns0:identifier>
</ns0:identifiers>
<ns0:amounts>
<ns0:amount type="credit Amount">274.50</ns0:amount>
</ns0:amounts>
</ns0:orderLine>
<ns0:orderLine>
<ns0:identifiers>
<ns0:identifier scheme="Item" schemeAgency="ABC">140072</ns0:identifier>
</ns0:identifiers>
<ns0:amounts>
<ns0:amount type="credit Amount">58.41</ns0:amount>
</ns0:amounts>
</ns0:orderLine>
</ns0:orderLines>
<ns0:terms>
<ns0:term type="Reason Code">D19</ns0:term>
<ns0:term type="Payment Terms">Y000</ns0:term>
</ns0:terms>
<ns0:billingInfo>
<ns0:paymentMethod/>
</ns0:billingInfo>
<ns0:flags>
<ns0:flag type="1099 Payment Flag">Y</ns0:flag>
</ns0:flags>
<ns0:dates>
<ns0:date type="Proposed Invoice Date">2018-11-02</ns0:date>
</ns0:dates>
</ns0:invoiceOrder>
<ns0:invoiceOrder xmlns:ns0="http://cts.com"
type="ABCD"
businessDivision="X0"
salesOrganization="ABC10"
Channel="Y0">
<ns0:references>
<ns0:key type="Source System">ABC</ns0:key>
<ns0:relationship scheme="Customer" schemeAgency="APAC" role="Sell to">702390000</ns0:relationship>
<ns0:document type="Purchase Order">AB123</ns0:document>
</ns0:references>
<ns0:notes>
<ns0:note type="XY34" language="EN">package2</ns0:note>
</ns0:notes>
<ns0:orderLines>
<ns0:orderLine>
<ns0:identifiers>
<ns0:identifier scheme="Item" schemeAgency="ABC">100411</ns0:identifier>
</ns0:identifiers>
<ns0:amounts>
<ns0:amount type="Rebate Amount">76.25</ns0:amount>
</ns0:amounts>
</ns0:orderLine>
<ns0:orderLine>
<ns0:identifiers>
<ns0:identifier scheme="Item" schemeAgency="ABC">140072</ns0:identifier>
</ns0:identifiers>
<ns0:amounts>
<ns0:amount type="Rebate Amount">9.74</ns0:amount>
</ns0:amounts>
</ns0:orderLine>
</ns0:orderLines>
<ns0:terms>
<ns0:term type="Reason Code">Y19</ns0:term>
<ns0:term type="Payment Terms">Y000</ns0:term>
</ns0:terms>
<ns0:billingInfo>
<ns0:paymentMethod/>
</ns0:billingInfo>
<ns0:flags>
<ns0:flag type="1099 Payment Flag">Y</ns0:flag>
</ns0:flags>
<ns0:dates>
<ns0:date type="Proposed Invoice Date">2018-11-02</ns0:date>
</ns0:dates>
</ns0:invoiceOrder>
</ns0:Message1>
</ns0:Messages>
只希望在XML输出（如上所述）中有一次开始和结束标记，以便XML格式正确并符合我的要求
开始标签：
<ns0:Messages xmlns:ns0="http://sap.com/xi/XI/SplitAndMerge">
<ns0:Message1>
对应的结束标签：
</ns0:Message1>
</ns0:Messages>
任何帮助将不胜感激。