I have worked with HTML in the past, but am new to XML. I think my code is mostly correct however I cannot figure out how to fix the remaining errors. I think my brain is stuck on HTML mode. Any help would be great. This form just has to validate.
Here is the .XML code
<!DOCTYPE League SYSTEM "teams.dtd"
[
<!ENTITY Tigers SYSTEM "Tigers.bmp" NDATA Graphics>
<!ENTITY Raiders SYSTEM "Raiders.bmp" NDATA Graphics>
<!ENTITY Storm SYSTEM "Storm.bmp" NDATA Graphics>
]>
<League>
<League LName="Eastern Developmental League">
<Team>
<Team_Name>Tigers</Team_Name>
<City>Toledo</City>
<Logo Source="Tigers"/>
<Players>
<Player Position="Centers" PPG="21.2" RPG="11.1">Lionel Diggs</Player>
<Player Position="Forward" PPG="18.9" RPG="8.4">Andrew Case</Player>
<Player Position="Forward" PPG="14.4" RPG="5.0">Casey Lewis</Player>
<Player Position="Guard" PPG="15.4" RPG="3.1" Assists="9.4">Andrew Case</Player>
<Player Position="Guard" PPG="7.2" RPG="2.5" Assists="3.9">Ray Kee</Player>
</Players>
</Team>
<Team>
<Team_Name>Raiders</Team_Name>
<City>Central City</City>
<Logo Source="Raiders"/>
<Players>
<Player Position="Center" PPG="17.2" RPG="14.2">David Thesus</Player>
<Player Position="Forward" PPG="28.3" RPG="7.0">Troy Thompson</Player>
<Player Position="Forward" PPG="10.4" RPG="5.3">Gary Coles</Player>
<Player Position="Guard" PPG="19.2" RPG="5.2" Assists="4.4">Michael Burns</Player>
<Player Position="Guard" PPG="5.1" RPG="2.1" Assists="12.9">Patrick Dawson</Player>
</Players>
</Team>
<Team>
<Team_Name>Lightning</Team_Name>
<City>Philadelphia</City>
<Players>
<Player Position="Center" PPG="12.2" RPG="14.2">Tim White</Player>
<Player Position="Forward" PPG="21.7" RPG="7.8">Michael Keyes</Player>
<Player Position="Forward" PPG="8.4" RPG="9.4">Bobby Phillips</Player>
<Player Position="Guard" PPG="13.1" RPG="1.4" Assists="10.3">David Rice</Player>
<Player Position="Guard" PPG="10.2" RPG="4.1" Assists="8.4">Elroy Watson</Player>
</Players>
</Team>
<Team>
<Team_Name>Hoopsters</Team_Name>
<City>Hill County</City>
<Players>
<Player Position="Center" PPG="36.8" RPG="14.8">Tim Brubeck</Player>
<Player Position="Forward" PPG="13.9" RPG="7.2">Steve True</Player>
<Player Position="Forward" PPG="5.2" RPG="7.9">David Dannon</Player>
<Player Position="Guard" PPG="12.4" RPG="5.8" Assists="7.3">Kevin Cleveland</Player>
<Player Position="Guard" PPG="9.5" RPG="6.2" Assists="12.3">Doug Kaufman</Player>
</Players>
</Team>
<Team>
<Team_Name>Jaguars</Team_Name>
<City>Jersey City</City>
<Players>
<Player Position="Center" PPG="9.4" RPG="15.1">Scott Plank</Player>
<Player Position="Forward" PPG="24.1" RPG="8.1">Bill Avidman</Player>
<Player Position="Forward" PPG="10.2" RPG="8.7">Dan Smith</Player>
<Player Position="Guard" PPG="24.8" RPG="2.9" Assists="9.7">Brett Dickson</Player>
<Player Position="Guard" PPG="8.1" RPG="6.7" Assists="8.8">Paul Thompson</Player>
</Players>
</Team>
<Team>
<Team_Name>Storm</Team_Name>
<City>Rockaway</City>
<Logo Source="Storm"/>
<Players>
<Player Position="Center" PPG="21.4" RPG="14.8">Tom Jay</Player>
<Player Position="Forward" PPG="16.8" RPG="8.7">Alan Jackson</Player>
<Player Position="Forward" PPG="8.4" RPG="7.8">Alan Jones</Player>
<Player Position="Guard" PPG="19.2" RPG="1.8" Assists="14.3">Kevin Browne</Player>
<Player Position="Guard" PPG="14.8" RPG="5.1" Assists="7.2">Ian Larson</Player>
<Player Position="Center"></Player>
</Players>
</Team>
</League>
Here is the .DTD Code
<!ELEMENT League (Team+)>
<!ATTLIST League LName CDATA #IMPLIED>
<!ELEMENT Team (Team_Name, City, Logo, Players+)>
<!ELEMENT Team_Name (#PCDATA)>
<!ELEMENT City (#PCDATA)>
<!ELEMENT Logo EMPTY>
<!ATTLIST Logo Source CDATA #REQUIRED>
<!ELEMENT Players (Player, Player, Player, Player, Player)>
<!ELEMENT Player (#PCDATA)>
<!ATTLIST Player Position CDATA #REQUIRED>
<!ATTLIST Player PPG CDATA #IMPLIED>
<!ATTLIST Player RPG CDATA #IMPLIED>
<!ATTLIST Player Assists CDATA #IMPLIED>
<!NOTATION BMP SYSTEM "image/bmp">
ERRORS
Description: The notation "Graphics" must be declared when referenced in the unparsed entity declaration for "Storm".
Description: The notation "Graphics" must be declared when referenced in the unparsed entity declaration for "Tigers".
Description: The notation "Graphics" must be declared when referenced in the unparsed entity declaration for "Raiders".
Description: Unexpected element "Players". The content of the parent element type must match "(Team_Name,City,Logo,Players+)".
Description: Unexpected element "Players". The content of the parent element type must match "(Team_Name,City,Logo,Players+)".
Description: Unexpected element "Players". The content of the parent element type must match "(Team_Name,City,Logo,Players+)".
Description: Unexpected element "Player". The content of the parent element type must match "(Player,Player,Player,Player,Player)".
Description: Unexpected element "League". The content of the parent element type must match "(Team)+".
Description: XML document structures must start and end within the same entity.