<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" targetNamespace="http://josm.openstreetmap.de/maps-1.0"
    xmlns:tns="http://josm.openstreetmap.de/maps-1.0" elementFormDefault="qualified">

    <xs:simpleType name="latitude">
        <xs:restriction base="xs:decimal">
            <xs:minInclusive value="-90" />
            <xs:maxInclusive value="+90" />
        </xs:restriction>
    </xs:simpleType>

    <xs:simpleType name="longitude">
        <xs:restriction base="xs:decimal">
            <xs:minInclusive value="-180" />
            <xs:maxInclusive value="+180" />
        </xs:restriction>
    </xs:simpleType>
    
    <xs:simpleType name="id">
        <!-- exclude white space characters and characters that are not valid for file names in Windows -->
        <xs:restriction base="xs:string">
            <xs:pattern value='[^\s/\\:*?"&lt;>|,;]+' />
        </xs:restriction>
    </xs:simpleType>

    <xs:complexType name="oldid">
        <xs:simpleContent>
            <xs:extension base="tns:id">
                <!-- date of the retirement of this ID -->
                <xs:attribute name="date" type="xs:date" use="required" />
            </xs:extension>
        </xs:simpleContent>
    </xs:complexType>

    <xs:simpleType name="type">
        <xs:restriction base="xs:string">
            <xs:enumeration value="wms" />
            <xs:enumeration value="wms_endpoint" />
            <xs:enumeration value="wmts" />
            <xs:enumeration value="tms" />
            <xs:enumeration value="mvt" />
            <xs:enumeration value="bing" />
            <xs:enumeration value="scanex" />
        </xs:restriction>
    </xs:simpleType>

    <xs:simpleType name="zoom">
        <xs:restriction base="xs:integer">
            <xs:minInclusive value="0" />
            <xs:maxInclusive value="24" />
        </xs:restriction>
    </xs:simpleType>

    <xs:complexType name="eula">
        <xs:simpleContent>
            <xs:extension base="xs:anyURI" >
                <xs:attribute name="mandatory" type="xs:boolean" use="optional" />
            </xs:extension>
        </xs:simpleContent>
    </xs:complexType>

    <xs:complexType name="attribution-text">
        <xs:simpleContent>
            <xs:extension base="xs:string">
                <xs:attribute name="mandatory" type="xs:boolean" use="optional" />
            </xs:extension>
        </xs:simpleContent>
    </xs:complexType>

    <xs:complexType name="description">
        <xs:simpleContent>
            <xs:extension base="xs:string">
                <xs:attribute name="lang" type="xs:string" use="required" />
            </xs:extension>
        </xs:simpleContent>
    </xs:complexType>

    <xs:complexType name="name">
        <xs:simpleContent>
            <xs:extension base="xs:string">
                <xs:attribute name="lang" type="xs:string" use="optional" />
            </xs:extension>
        </xs:simpleContent>
    </xs:complexType>

    <xs:complexType name="point">
        <xs:attribute name="lat" type="tns:latitude" use="required" />
        <xs:attribute name="lon" type="tns:longitude" use="required" />
    </xs:complexType>

    <xs:complexType name="shape">
        <xs:sequence>
            <xs:element name="point" minOccurs="3" maxOccurs="999" type="tns:point" />
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="bounds">
        <xs:sequence>
            <xs:element name="shape" minOccurs="0" maxOccurs="100" type="tns:shape" />
        </xs:sequence>
        <xs:attribute name="min-lat" type="tns:latitude" use="required" />
        <xs:attribute name="min-lon" type="tns:longitude" use="required" />
        <xs:attribute name="max-lat" type="tns:latitude" use="required" />
        <xs:attribute name="max-lon" type="tns:longitude" use="required" />
    </xs:complexType>

    <xs:complexType name="projections">
        <xs:sequence>
            <!-- TODO: find an easy way to validate projections codes -->
            <xs:element name="code" minOccurs="0" maxOccurs="unbounded" type="xs:string" />
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="defaultLayers">
        <xs:sequence>
            <xs:element name="layer" maxOccurs="unbounded">
                <xs:complexType>
                    <xs:attribute name="name" type="xs:string" use="optional" />
                    <xs:attribute name="style" type="xs:string" use="optional" />
                    <xs:attribute name="tile-matrix-set" type="xs:string" use="optional" />
                </xs:complexType>
            </xs:element>
        </xs:sequence>
    </xs:complexType>

    <!-- ISO3166-1, taken from https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2#Current_codes + "EU" for Europe -->
    <xs:simpleType name="iso3166">
        <xs:restriction base="xs:string">
            <!-- EUROPE (JOSM ONLY) -->
            <xs:enumeration value="EU" />
            <!-- KOSOVO (TEMPORARY USER-ASSIGNED CODE) -->
            <xs:enumeration value="XK" />
            <!-- AFGHANISTAN -->
            <xs:enumeration value="AF" />
            <!-- ÅLAND ISLANDS -->
            <xs:enumeration value="AX" />
            <!-- ALBANIA -->
            <xs:enumeration value="AL" />
            <!-- ALGERIA -->
            <xs:enumeration value="DZ" />
            <!-- AMERICAN SAMOA -->
            <xs:enumeration value="AS" />
            <!-- ANDORRA -->
            <xs:enumeration value="AD" />
            <!-- ANGOLA -->
            <xs:enumeration value="AO" />
            <!-- ANGUILLA -->
            <xs:enumeration value="AI" />
            <!-- ANTARCTICA -->
            <xs:enumeration value="AQ" />
            <!-- ANTIGUA AND BARBUDA -->
            <xs:enumeration value="AG" />
            <!-- ARGENTINA -->
            <xs:enumeration value="AR" />
            <!-- ARMENIA -->
            <xs:enumeration value="AM" />
            <!-- ARUBA -->
            <xs:enumeration value="AW" />
            <!-- AUSTRALIA -->
            <xs:enumeration value="AU" />
            <!-- AUSTRIA -->
            <xs:enumeration value="AT" />
            <!-- AZERBAIJAN -->
            <xs:enumeration value="AZ" />
            <!-- BAHAMAS -->
            <xs:enumeration value="BS" />
            <!-- BAHRAIN -->
            <xs:enumeration value="BH" />
            <!-- BANGLADESH -->
            <xs:enumeration value="BD" />
            <!-- BARBADOS -->
            <xs:enumeration value="BB" />
            <!-- BELARUS -->
            <xs:enumeration value="BY" />
            <!-- BELGIUM -->
            <xs:enumeration value="BE" />
            <!-- BELIZE -->
            <xs:enumeration value="BZ" />
            <!-- BENIN -->
            <xs:enumeration value="BJ" />
            <!-- BERMUDA -->
            <xs:enumeration value="BM" />
            <!-- BHUTAN -->
            <xs:enumeration value="BT" />
            <!-- BOLIVIA, PLURINATIONAL STATE OF -->
            <xs:enumeration value="BO" />
            <!-- BONAIRE, SINT EUSTATIUS AND SABA -->
            <xs:enumeration value="BQ" />
            <!-- BOSNIA AND HERZEGOVINA -->
            <xs:enumeration value="BA" />
            <!-- BOTSWANA -->
            <xs:enumeration value="BW" />
            <!-- BOUVET ISLAND -->
            <xs:enumeration value="BV" />
            <!-- BRAZIL -->
            <xs:enumeration value="BR" />
            <!-- BRITISH INDIAN OCEAN TERRITORY -->
            <xs:enumeration value="IO" />
            <!-- BRUNEI DARUSSALAM -->
            <xs:enumeration value="BN" />
            <!-- BULGARIA -->
            <xs:enumeration value="BG" />
            <!-- BURKINA FASO -->
            <xs:enumeration value="BF" />
            <!-- BURUNDI -->
            <xs:enumeration value="BI" />
            <!-- CAMBODIA -->
            <xs:enumeration value="KH" />
            <!-- CAMEROON -->
            <xs:enumeration value="CM" />
            <!-- CANADA -->
            <xs:enumeration value="CA" />
            <!-- CAPE VERDE -->
            <xs:enumeration value="CV" />
            <!-- CAYMAN ISLANDS -->
            <xs:enumeration value="KY" />
            <!-- CENTRAL AFRICAN REPUBLIC -->
            <xs:enumeration value="CF" />
            <!-- CHAD -->
            <xs:enumeration value="TD" />
            <!-- CHILE -->
            <xs:enumeration value="CL" />
            <!-- CHINA -->
            <xs:enumeration value="CN" />
            <!-- CHRISTMAS ISLAND -->
            <xs:enumeration value="CX" />
            <!-- COCOS (KEELING) ISLANDS -->
            <xs:enumeration value="CC" />
            <!-- COLOMBIA -->
            <xs:enumeration value="CO" />
            <!-- COMOROS -->
            <xs:enumeration value="KM" />
            <!-- CONGO -->
            <xs:enumeration value="CG" />
            <!-- CONGO, THE DEMOCRATIC REPUBLIC OF THE -->
            <xs:enumeration value="CD" />
            <!-- COOK ISLANDS -->
            <xs:enumeration value="CK" />
            <!-- COSTA RICA -->
            <xs:enumeration value="CR" />
            <!-- CÔTE D'IVOIRE -->
            <xs:enumeration value="CI" />
            <!-- CROATIA -->
            <xs:enumeration value="HR" />
            <!-- CUBA -->
            <xs:enumeration value="CU" />
            <!-- CURAÇAO -->
            <xs:enumeration value="CW" />
            <!-- CYPRUS -->
            <xs:enumeration value="CY" />
            <!-- CZECH REPUBLIC -->
            <xs:enumeration value="CZ" />
            <!-- DENMARK -->
            <xs:enumeration value="DK" />
            <!-- DJIBOUTI -->
            <xs:enumeration value="DJ" />
            <!-- DOMINICA -->
            <xs:enumeration value="DM" />
            <!-- DOMINICAN REPUBLIC -->
            <xs:enumeration value="DO" />
            <!-- ECUADOR -->
            <xs:enumeration value="EC" />
            <!-- EGYPT -->
            <xs:enumeration value="EG" />
            <!-- EL SALVADOR -->
            <xs:enumeration value="SV" />
            <!-- EQUATORIAL GUINEA -->
            <xs:enumeration value="GQ" />
            <!-- ERITREA -->
            <xs:enumeration value="ER" />
            <!-- ESTONIA -->
            <xs:enumeration value="EE" />
            <!-- ETHIOPIA -->
            <xs:enumeration value="ET" />
            <!-- FALKLAND ISLANDS (MALVINAS) -->
            <xs:enumeration value="FK" />
            <!-- FAROE ISLANDS -->
            <xs:enumeration value="FO" />
            <!-- FIJI -->
            <xs:enumeration value="FJ" />
            <!-- FINLAND -->
            <xs:enumeration value="FI" />
            <!-- FRANCE -->
            <xs:enumeration value="FR" />
            <!-- FRENCH GUIANA -->
            <xs:enumeration value="GF" />
            <!-- FRENCH POLYNESIA -->
            <xs:enumeration value="PF" />
            <!-- FRENCH SOUTHERN TERRITORIES -->
            <xs:enumeration value="TF" />
            <!-- GABON -->
            <xs:enumeration value="GA" />
            <!-- GAMBIA -->
            <xs:enumeration value="GM" />
            <!-- GEORGIA -->
            <xs:enumeration value="GE" />
            <!-- GERMANY -->
            <xs:enumeration value="DE" />
            <!-- GHANA -->
            <xs:enumeration value="GH" />
            <!-- GIBRALTAR -->
            <xs:enumeration value="GI" />
            <!-- GREECE -->
            <xs:enumeration value="GR" />
            <!-- GREENLAND -->
            <xs:enumeration value="GL" />
            <!-- GRENADA -->
            <xs:enumeration value="GD" />
            <!-- GUADELOUPE -->
            <xs:enumeration value="GP" />
            <!-- GUAM -->
            <xs:enumeration value="GU" />
            <!-- GUATEMALA -->
            <xs:enumeration value="GT" />
            <!-- GUERNSEY -->
            <xs:enumeration value="GG" />
            <!-- GUINEA -->
            <xs:enumeration value="GN" />
            <!-- GUINEA-BISSAU -->
            <xs:enumeration value="GW" />
            <!-- GUYANA -->
            <xs:enumeration value="GY" />
            <!-- HAITI -->
            <xs:enumeration value="HT" />
            <!-- HEARD ISLAND AND MCDONALD ISLANDS -->
            <xs:enumeration value="HM" />
            <!-- HOLY SEE (VATICAN CITY STATE) -->
            <xs:enumeration value="VA" />
            <!-- HONDURAS -->
            <xs:enumeration value="HN" />
            <!-- HONG KONG -->
            <xs:enumeration value="HK" />
            <!-- HUNGARY -->
            <xs:enumeration value="HU" />
            <!-- ICELAND -->
            <xs:enumeration value="IS" />
            <!-- INDIA -->
            <xs:enumeration value="IN" />
            <!-- INDONESIA -->
            <xs:enumeration value="ID" />
            <!-- IRAN, ISLAMIC REPUBLIC OF -->
            <xs:enumeration value="IR" />
            <!-- IRAQ -->
            <xs:enumeration value="IQ" />
            <!-- IRELAND -->
            <xs:enumeration value="IE" />
            <!-- ISLE OF MAN -->
            <xs:enumeration value="IM" />
            <!-- ISRAEL -->
            <xs:enumeration value="IL" />
            <!-- ITALY -->
            <xs:enumeration value="IT" />
            <!-- JAMAICA -->
            <xs:enumeration value="JM" />
            <!-- JAPAN -->
            <xs:enumeration value="JP" />
            <!-- JERSEY -->
            <xs:enumeration value="JE" />
            <!-- JORDAN -->
            <xs:enumeration value="JO" />
            <!-- KAZAKHSTAN -->
            <xs:enumeration value="KZ" />
            <!-- KENYA -->
            <xs:enumeration value="KE" />
            <!-- KIRIBATI -->
            <xs:enumeration value="KI" />
            <!-- KOREA, DEMOCRATIC PEOPLE'S REPUBLIC OF -->
            <xs:enumeration value="KP" />
            <!-- KOREA, REPUBLIC OF -->
            <xs:enumeration value="KR" />
            <!-- KUWAIT -->
            <xs:enumeration value="KW" />
            <!-- KYRGYZSTAN -->
            <xs:enumeration value="KG" />
            <!-- LAO PEOPLE'S DEMOCRATIC REPUBLIC -->
            <xs:enumeration value="LA" />
            <!-- LATVIA -->
            <xs:enumeration value="LV" />
            <!-- LEBANON -->
            <xs:enumeration value="LB" />
            <!-- LESOTHO -->
            <xs:enumeration value="LS" />
            <!-- LIBERIA -->
            <xs:enumeration value="LR" />
            <!-- LIBYAN ARAB JAMAHIRIYA -->
            <xs:enumeration value="LY" />
            <!-- LIECHTENSTEIN -->
            <xs:enumeration value="LI" />
            <!-- LITHUANIA -->
            <xs:enumeration value="LT" />
            <!-- LUXEMBOURG -->
            <xs:enumeration value="LU" />
            <!-- MACAO -->
            <xs:enumeration value="MO" />
            <!-- MACEDONIA, THE FORMER YUGOSLAV REPUBLIC OF -->
            <xs:enumeration value="MK" />
            <!-- MADAGASCAR -->
            <xs:enumeration value="MG" />
            <!-- MALAWI -->
            <xs:enumeration value="MW" />
            <!-- MALAYSIA -->
            <xs:enumeration value="MY" />
            <!-- MALDIVES -->
            <xs:enumeration value="MV" />
            <!-- MALI -->
            <xs:enumeration value="ML" />
            <!-- MALTA -->
            <xs:enumeration value="MT" />
            <!-- MARSHALL ISLANDS -->
            <xs:enumeration value="MH" />
            <!-- MARTINIQUE -->
            <xs:enumeration value="MQ" />
            <!-- MAURITANIA -->
            <xs:enumeration value="MR" />
            <!-- MAURITIUS -->
            <xs:enumeration value="MU" />
            <!-- MAYOTTE -->
            <xs:enumeration value="YT" />
            <!-- MEXICO -->
            <xs:enumeration value="MX" />
            <!-- MICRONESIA, FEDERATED STATES OF -->
            <xs:enumeration value="FM" />
            <!-- MOLDOVA, REPUBLIC OF -->
            <xs:enumeration value="MD" />
            <!-- MONACO -->
            <xs:enumeration value="MC" />
            <!-- MONGOLIA -->
            <xs:enumeration value="MN" />
            <!-- MONTENEGRO -->
            <xs:enumeration value="ME" />
            <!-- MONTSERRAT -->
            <xs:enumeration value="MS" />
            <!-- MOROCCO -->
            <xs:enumeration value="MA" />
            <!-- MOZAMBIQUE -->
            <xs:enumeration value="MZ" />
            <!-- MYANMAR -->
            <xs:enumeration value="MM" />
            <!-- NAMIBIA -->
            <xs:enumeration value="NA" />
            <!-- NAURU -->
            <xs:enumeration value="NR" />
            <!-- NEPAL -->
            <xs:enumeration value="NP" />
            <!-- NETHERLANDS -->
            <xs:enumeration value="NL" />
            <!-- NEW CALEDONIA -->
            <xs:enumeration value="NC" />
            <!-- NEW ZEALAND -->
            <xs:enumeration value="NZ" />
            <!-- NICARAGUA -->
            <xs:enumeration value="NI" />
            <!-- NIGER -->
            <xs:enumeration value="NE" />
            <!-- NIGERIA -->
            <xs:enumeration value="NG" />
            <!-- NIUE -->
            <xs:enumeration value="NU" />
            <!-- NORFOLK ISLAND -->
            <xs:enumeration value="NF" />
            <!-- NORTHERN MARIANA ISLANDS -->
            <xs:enumeration value="MP" />
            <!-- NORWAY -->
            <xs:enumeration value="NO" />
            <!-- OMAN -->
            <xs:enumeration value="OM" />
            <!-- PAKISTAN -->
            <xs:enumeration value="PK" />
            <!-- PALAU -->
            <xs:enumeration value="PW" />
            <!-- PALESTINIAN TERRITORY, OCCUPIED -->
            <xs:enumeration value="PS" />
            <!-- PANAMA -->
            <xs:enumeration value="PA" />
            <!-- PAPUA NEW GUINEA -->
            <xs:enumeration value="PG" />
            <!-- PARAGUAY -->
            <xs:enumeration value="PY" />
            <!-- PERU -->
            <xs:enumeration value="PE" />
            <!-- PHILIPPINES -->
            <xs:enumeration value="PH" />
            <!-- PITCAIRN -->
            <xs:enumeration value="PN" />
            <!-- POLAND -->
            <xs:enumeration value="PL" />
            <!-- PORTUGAL -->
            <xs:enumeration value="PT" />
            <!-- PUERTO RICO -->
            <xs:enumeration value="PR" />
            <!-- QATAR -->
            <xs:enumeration value="QA" />
            <!-- RÉUNION -->
            <xs:enumeration value="RE" />
            <!-- ROMANIA -->
            <xs:enumeration value="RO" />
            <!-- RUSSIAN FEDERATION -->
            <xs:enumeration value="RU" />
            <!-- RWANDA -->
            <xs:enumeration value="RW" />
            <!-- SAINT BARTHÉLEMY -->
            <xs:enumeration value="BL" />
            <!-- SAINT HELENA, ASCENSION AND TRISTAN DA CUNHA -->
            <xs:enumeration value="SH" />
            <!-- SAINT KITTS AND NEVIS -->
            <xs:enumeration value="KN" />
            <!-- SAINT LUCIA -->
            <xs:enumeration value="LC" />
            <!-- SAINT MARTIN (FRENCH PART) -->
            <xs:enumeration value="MF" />
            <!-- SAINT PIERRE AND MIQUELON -->
            <xs:enumeration value="PM" />
            <!-- SAINT VINCENT AND THE GRENADINES -->
            <xs:enumeration value="VC" />
            <!-- SAMOA -->
            <xs:enumeration value="WS" />
            <!-- SAN MARINO -->
            <xs:enumeration value="SM" />
            <!-- SAO TOME AND PRINCIPE -->
            <xs:enumeration value="ST" />
            <!-- SAUDI ARABIA -->
            <xs:enumeration value="SA" />
            <!-- SENEGAL -->
            <xs:enumeration value="SN" />
            <!-- SERBIA -->
            <xs:enumeration value="RS" />
            <!-- SEYCHELLES -->
            <xs:enumeration value="SC" />
            <!-- SIERRA LEONE -->
            <xs:enumeration value="SL" />
            <!-- SINGAPORE -->
            <xs:enumeration value="SG" />
            <!-- SINT MAARTEN (DUTCH PART) -->
            <xs:enumeration value="SX" />
            <!-- SLOVAKIA -->
            <xs:enumeration value="SK" />
            <!-- SLOVENIA -->
            <xs:enumeration value="SI" />
            <!-- SOLOMON ISLANDS -->
            <xs:enumeration value="SB" />
            <!-- SOMALIA -->
            <xs:enumeration value="SO" />
            <!-- SOUTH AFRICA -->
            <xs:enumeration value="ZA" />
            <!-- SOUTH GEORGIA AND THE SOUTH SANDWICH ISLANDS -->
            <xs:enumeration value="GS" />
            <!-- SOUTH SUDAN -->
            <xs:enumeration value="SS" />
            <!-- SPAIN -->
            <xs:enumeration value="ES" />
            <!-- SRI LANKA -->
            <xs:enumeration value="LK" />
            <!-- SUDAN -->
            <xs:enumeration value="SD" />
            <!-- SURINAME -->
            <xs:enumeration value="SR" />
            <!-- SVALBARD AND JAN MAYEN -->
            <xs:enumeration value="SJ" />
            <!-- SWAZILAND -->
            <xs:enumeration value="SZ" />
            <!-- SWEDEN -->
            <xs:enumeration value="SE" />
            <!-- SWITZERLAND -->
            <xs:enumeration value="CH" />
            <!-- SYRIAN ARAB REPUBLIC -->
            <xs:enumeration value="SY" />
            <!-- TAIWAN, PROVINCE OF CHINA -->
            <xs:enumeration value="TW" />
            <!-- TAJIKISTAN -->
            <xs:enumeration value="TJ" />
            <!-- TANZANIA, UNITED REPUBLIC OF -->
            <xs:enumeration value="TZ" />
            <!-- THAILAND -->
            <xs:enumeration value="TH" />
            <!-- TIMOR-LESTE -->
            <xs:enumeration value="TL" />
            <!-- TOGO -->
            <xs:enumeration value="TG" />
            <!-- TOKELAU -->
            <xs:enumeration value="TK" />
            <!-- TONGA -->
            <xs:enumeration value="TO" />
            <!-- TRINIDAD AND TOBAGO -->
            <xs:enumeration value="TT" />
            <!-- TUNISIA -->
            <xs:enumeration value="TN" />
            <!-- TURKEY -->
            <xs:enumeration value="TR" />
            <!-- TURKMENISTAN -->
            <xs:enumeration value="TM" />
            <!-- TURKS AND CAICOS ISLANDS -->
            <xs:enumeration value="TC" />
            <!-- TUVALU -->
            <xs:enumeration value="TV" />
            <!-- UGANDA -->
            <xs:enumeration value="UG" />
            <!-- UKRAINE -->
            <xs:enumeration value="UA" />
            <!-- UNITED ARAB EMIRATES -->
            <xs:enumeration value="AE" />
            <!-- UNITED KINGDOM -->
            <xs:enumeration value="GB" />
            <!-- UNITED STATES -->
            <xs:enumeration value="US" />
            <!-- UNITED STATES MINOR OUTLYING ISLANDS -->
            <xs:enumeration value="UM" />
            <!-- URUGUAY -->
            <xs:enumeration value="UY" />
            <!-- UZBEKISTAN -->
            <xs:enumeration value="UZ" />
            <!-- VANUATU -->
            <xs:enumeration value="VU" />
            <!-- VENEZUELA, BOLIVARIAN REPUBLIC OF -->
            <xs:enumeration value="VE" />
            <!-- VIET NAM -->
            <xs:enumeration value="VN" />
            <!-- VIRGIN ISLANDS, BRITISH -->
            <xs:enumeration value="VG" />
            <!-- VIRGIN ISLANDS, U.S. -->
            <xs:enumeration value="VI" />
            <!-- WALLIS AND FUTUNA -->
            <xs:enumeration value="WF" />
            <!-- WESTERN SAHARA -->
            <xs:enumeration value="EH" />
            <!-- YEMEN -->
            <xs:enumeration value="YE" />
            <!-- ZAMBIA -->
            <xs:enumeration value="ZM" />
            <!-- ZIMBABWE -->
            <xs:enumeration value="ZW" />
        </xs:restriction>
    </xs:simpleType>

    <xs:complexType name="imagery">
        <xs:sequence>
            <xs:element name="entry" minOccurs="0" maxOccurs="unbounded">
                <xs:complexType>
                    <!-- this is actually not fully correct, but XSD does not allow multiple time the
                        same argument in one xs:all, so this sequence/choice combination, which
                        actually allows to much, only description and mirror can appear more than once! -->
                    <xs:sequence>
                        <xs:choice minOccurs="1" maxOccurs="unbounded">
                            <!-- The name of the imagery source -->
                            <xs:element name="name" minOccurs="1" type="tns:name" />
                            <!-- A description of the imagery source -->
                            <xs:element name="description" minOccurs="0" type="tns:description" />
                            <!-- A unique id for the imagery source -->
                            <xs:element name="id" minOccurs="1" maxOccurs="1" type="tns:id" />
                            <!-- Historic id for the imagery source -->
                            <xs:element name="oldid" minOccurs="0" maxOccurs="unbounded" type="tns:oldid" />
                            <!-- The type. Can be mvt, tms, wms and html. In addition, there are the special types bing and scanex
                                with hardcoded behaviour. -->
                            <xs:element name="type" minOccurs="1" maxOccurs="1" type="tns:type" />
                            <!-- To define as default server for this type -->
                            <xs:element name="default" minOccurs="0" maxOccurs="1" type="xs:boolean" />
                            <!-- The URL of the service. Can contain templates, e.g. {zoom} will be replaced by the current 
                                zoom level (see below). The list of services is a XML document, so the '&' character is represented by 
                                '&amp;'. Alternatively, the URL can be wrapped in a <![CDATA[...]]> section. -->
                            <xs:element name="url" minOccurs="1" maxOccurs="1" type="xs:string" />
                            <!-- A list of supported projections (inside <code> tags) -->
                            <xs:element name="projections" minOccurs="0" maxOccurs="1" type="tns:projections" />
                            <!-- TMS only: The minimum zoom level -->
                            <xs:element name="min-zoom" minOccurs="0" maxOccurs="1" type="tns:zoom" />
                            <!-- TMS only: The maximum zoom level. For higher scales, the images of the maximum level is enlarged. -->
                            <xs:element name="max-zoom" minOccurs="0" maxOccurs="1" type="tns:zoom" />
                            <!-- The area of use, e.g. <bounds min-lat='45.7' min-lon='5.9' max-lat='55.0' max-lon='17.3'/> -->
                            <xs:element name="bounds" minOccurs="0" maxOccurs="1" type="tns:bounds" />
                            <!-- A link to the privacy policy of the operator -->
                            <xs:element name="privacy-policy-url" minOccurs="0" maxOccurs="1" type="xs:anyURI" />
                            <!-- Provide a source that this background can be used for OSM. A page on the OSM-wiki with additional explanation and further references is preferred, but other sources (for example the license text) can also be linked. -->
                            <xs:element name="permission-ref" minOccurs="0" maxOccurs="1" type="xs:anyURI" />
                            <!-- A link to an EULA text that has to be accepted by the user, before the imagery source is added. -->
                            <xs:element name="eula" minOccurs="0" maxOccurs="1" type="tns:eula" />
                            <!-- The attribution text to be shown all the time on the map. -->
                            <xs:element name="attribution-text" minOccurs="0" maxOccurs="1" type="tns:attribution-text" />
                            <!-- A link that is opened, when the user clicks on the attribution text -->
                            <xs:element name="attribution-url" minOccurs="0" maxOccurs="1" type="xs:anyURI" />
                            <!-- A image that is displayed as attribution for the imagery background -->
                            <xs:element name="logo-image" minOccurs="0" maxOccurs="1" type="xs:string" />
                            <!-- A link that is opened, when the user clicks on the logo image -->
                            <xs:element name="logo-url" minOccurs="0" maxOccurs="1" type="xs:anyURI" />
                            <!-- terms-of-use text (if missing, default tou text will be used, unless terms-of-use-url is also missing) -->
                            <xs:element name="terms-of-use-text" minOccurs="0" maxOccurs="1" type="xs:string" />
                            <!-- A link that is opened, when the user clicks on the terms-of-use text -->
                            <xs:element name="terms-of-use-url" minOccurs="0" maxOccurs="1" type="xs:string" />
                            <!-- The image category, don't use enumeration, so future extension is possible -->
                            <!-- Currently defined values are: "photo", "elevation", "map", "historicmap", "osmbasedmap", "historicphoto", "qa" and "other" -->
                            <xs:element name="category" minOccurs="1" maxOccurs="1" type="xs:string" />
                            <!-- The ISO 3166 country code -->
                            <xs:element name="country-code" minOccurs="0" maxOccurs="1" type="tns:iso3166" />
                            <!-- A base64-encoded image that is displayed as menu/toolbar icon -->
                            <xs:element name="icon" minOccurs="0" maxOccurs="1" type="xs:string" />
                            <!-- Date in form YYYY-MM-DD;YYYY-MM-DD (each element after first year is optional, a single - marks an unknown or open timespan like -;2015) -->
                            <xs:element name="date" minOccurs="0" maxOccurs="1" type="xs:string" />
                            <xs:element name="mirror" minOccurs="0">
                                <xs:complexType>
                                    <xs:all>
                                        <xs:element name="type" minOccurs="1" maxOccurs="1" type="tns:type" />
                                        <xs:element name="id" minOccurs="0" maxOccurs="1" type="tns:id" />
                                        <xs:element name="url" minOccurs="1" maxOccurs="1" type="xs:string" />
                                        <xs:element name="projections" minOccurs="0" maxOccurs="1" type="tns:projections" />
                                        <xs:element name="min-zoom" minOccurs="0" maxOccurs="1" type="tns:zoom" />
                                        <xs:element name="max-zoom" minOccurs="0" maxOccurs="1" type="tns:zoom" />
                                        <xs:element name="tile-size" minOccurs="0" maxOccurs="1" type="xs:positiveInteger" />
                                        <xs:element name="privacy-policy-url" minOccurs="0" maxOccurs="1" type="xs:anyURI" />
                                    </xs:all>
                                </xs:complexType>
                            </xs:element>
                            <!-- list of HTTP headers, that indicate "no tile at this zoom level" situation -->
                            <xs:element name="no-tile-header" minOccurs="0" maxOccurs="unbounded">
                                <xs:complexType>
                                    <xs:attribute name="name" type="xs:string" />
                                    <xs:attribute name="value" type="xs:string" />
                                </xs:complexType>
                            </xs:element>
                            <!-- list of checksums, that indicate "no tile at this zoom level" situation -->
                            <xs:element name="no-tile-checksum" minOccurs="0" maxOccurs="unbounded">
                                <xs:complexType>
                                    <xs:attribute name="type" type="xs:string" />
                                    <xs:attribute name="value" type="xs:string" />
                                </xs:complexType>
                            </xs:element>
                            <!-- tile size provided by imagery source. Default - 256 -->
                            <xs:element name="tile-size" minOccurs="0" maxOccurs="1" type="xs:positiveInteger" />
                            <!--  HTTP headers that contain valuable information and that will be shown on "Shown Tile Info" dialog -->
                            <xs:element name="metadata-header" minOccurs="0" maxOccurs="unbounded">
                                <xs:complexType>
                                    <xs:attribute name="header-name" type="xs:string" />
                                    <xs:attribute name="metadata-key" type="xs:string" />
                                </xs:complexType>
                            </xs:element>
                            <!--  is imagery properly georeferenced (i.e. no need to check offsets). Defaults to false. Affects showing warnings. -->
                            <xs:element name="valid-georeference" minOccurs="0" maxOccurs="1" type="xs:boolean" />
                            <!-- old unused feature, ignored -->
                            <xs:element name="epsg4326to3857Supported" minOccurs="0" maxOccurs="1" type="xs:boolean" />
                            <xs:element name="default-layers" type="tns:defaultLayers" minOccurs="0" maxOccurs="1" />
                            <xs:element name="custom-http-header" minOccurs="0" maxOccurs="unbounded">
                                <xs:complexType>
                                    <xs:attribute name="header-name" type="xs:string" />
                                    <xs:attribute name="header-value" type="xs:string" />
                                </xs:complexType>
                            </xs:element>
                            <xs:element name="transparent" type="xs:boolean" minOccurs="0" maxOccurs="1"/>
                            <xs:element name="format" type="xs:string" minOccurs="0" maxOccurs="1"/>
                            <!-- does imagery server supports "/status" and tile re-rendering using "/dirty". Defaults to false. -->
                            <xs:element name="mod-tile-features" minOccurs="0" maxOccurs="1" type="xs:boolean" />
                            <!--  minimum time in seconds for which tile will be considered valid -->
                            <xs:element name="minimum-tile-expire" minOccurs="0" maxOccurs="1" type="xs:positiveInteger" />
                        </xs:choice>
                    </xs:sequence>
                    <xs:attribute name="eli-best" type="xs:boolean" use="optional" />
                    <xs:attribute name="overlay" type="xs:boolean" use="optional" />
                </xs:complexType>
            </xs:element>
        </xs:sequence>
    </xs:complexType>

    <xs:element name="imagery" type="tns:imagery" />
</xs:schema>
