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xml-grammar.txt
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xml-grammar.txt
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[1] document ::= prolog element Misc*
[2] Char ::= #x9 | #xA | #xD
| [#x20-#xD7FF]
| [#xE000-#xFFFD]
| [#x10000-#x10FFFF]
[3] S ::= (#x20 | #x9 | #xD | #xA)+
[4] NameStartChar ::= ":" | [A-Z] | "_" | [a-z]
| [#xC0-#xD6]
| [#xD8-#xF6]
| [#xF8-#x2FF]
| [#x370-#x37D]
| [#x37F-#x1FFF]
| [#x200C-#x200D]
| [#x2070-#x218F]
| [#x2C00-#x2FEF]
| [#x3001-#xD7FF]
| [#xF900-#xFDCF]
| [#xFDF0-#xFFFD]
| [#x10000-#xEFFFF]
[4a] NameChar ::= NameStartChar
| "-" | "." | [0-9]
| #xB7
| [#x0300-#x036F]
| [#x203F-#x2040]
[5] Name ::= NameStartChar (NameChar)*
[6] Names ::= Name (#x20 Name)*
[7] Nmtoken ::= (NameChar)+
[8] Nmtokens ::= Nmtoken (#x20 Nmtoken)*
[9] EntityValue ::= '"' ([^%&"] | PEReference | Reference)* '"'
| "'" ([^%&'] | PEReference | Reference)* "'"
[10] AttValue ::= '"' ([^<&"] | Reference)* '"'
| "'" ([^<&'] | Reference)* "'"
[11] SystemLiteral ::= ('"' [^"]* '"') | ("'" [^']* "'")
[12] PubidLiteral ::= '"' PubidChar* '"' | "'" (PubidChar - "'")* "'"
[13] PubidChar ::= #x20 | #xD | #xA
| [a-zA-Z0-9]
| [-'()+,./:=?;!*#@$_%]
[14] CharData ::= [^<&]* - ([^<&]* ']]>' [^<&]*)
[15] Comment ::= '<!--' ((Char - '-') | ('-' (Char - '-')))* '-->'
[16] PI ::= '<?' PITarget (S (Char* - (Char* '?>' Char*)))? '?>'
[17] PITarget ::= Name - (('X' | 'x') ('M' | 'm') ('L' | 'l'))
[18] CDSect ::= CDStart CData CDEnd
[19] CDStart ::= '<![CDATA['
[20] CData ::= (Char* - (Char* ']]>' Char*))
[21] CDEnd ::= ']]>'
[22] prolog ::= XMLDecl? Misc* (doctypedecl Misc*)?
[23] XMLDecl ::= '<?xml' VersionInfo EncodingDecl? SDDecl? S? '?>'
[24] VersionInfo ::= S 'version' Eq ("'" VersionNum "'" | '"' VersionNum '"')
[25] Eq ::= S? '=' S?
[26] VersionNum ::= '1.' [0-9]+
[27] Misc ::= Comment | PI | S
[28] doctypedecl ::= '<!DOCTYPE' S Name (S ExternalID)? S? ('[' intSubset ']' S?)? '>'
[28a] DeclSep ::= PEReference | S
[28b] intSubset ::= (markupdecl | DeclSep)*
[29] markupdecl ::= elementdecl
| AttlistDecl
| EntityDecl
| NotationDecl
| PI
| Comment
[30] extSubset ::= TextDecl? extSubsetDecl
[31] extSubsetDecl ::= ( markupdecl | conditionalSect | DeclSep)*
[32] SDDecl ::= S 'standalone' Eq (("'" ('yes' | 'no') "'") | ('"' ('yes' | 'no') '"'))
[39] element ::= EmptyElemTag
| STag content ETag
[40] STag ::= '<' Name (S Attribute)* S? '>'
[41] Attribute ::= Name Eq AttValue
[42] ETag ::= '</' Name S? '>'
[43] content ::= CharData? ((element | Reference | CDSect | PI | Comment) CharData?)*
[44] EmptyElemTag ::= '<' Name (S Attribute)* S? '/>'
[45] elementdecl ::= '<!ELEMENT' S Name S contentspec S? '>'
[46] contentspec ::= 'EMPTY' | 'ANY' | Mixed | children
[47] children ::= (choice | seq) ('?' | '*' | '+')?
[48] cp ::= (Name | choice | seq) ('?' | '*' | '+')?
[49] choice ::= '(' S? cp ( S? '|' S? cp )+ S? ')'
[50] seq ::= '(' S? cp ( S? ',' S? cp )* S? ')'
[51] Mixed ::= '(' S? '#PCDATA' (S? '|' S? Name)* S? ')*'
| '(' S? '#PCDATA' S? ')'
[52] AttlistDecl ::= '<!ATTLIST' S Name AttDef* S? '>'
[53] AttDef ::= S Name S AttType S DefaultDecl
[54] AttType ::= StringType | TokenizedType | EnumeratedType
[55] StringType ::= 'CDATA'
[56] TokenizedType ::= 'ID'
| 'IDREF'
| 'IDREFS'
| 'ENTITY'
| 'ENTITIES'
| 'NMTOKEN'
| 'NMTOKENS'
[57] EnumeratedType ::= NotationType | Enumeration
[58] NotationType ::= 'NOTATION' S '(' S? Name (S? '|' S? Name)* S? ')'
[59] Enumeration ::= '(' S? Nmtoken (S? '|' S? Nmtoken)* S? ')'
[60] DefaultDecl ::= '#REQUIRED' | '#IMPLIED'
| (('#FIXED' S)? AttValue)
[61] conditionalSect ::= includeSect | ignoreSect
[62] includeSect ::= '<![' S? 'INCLUDE' S? '[' extSubsetDecl ']]>'
[63] ignoreSect ::= '<![' S? 'IGNORE' S? '[' ignoreSectContents* ']]>'
[64] ignoreSectContents ::= Ignore ('<![' ignoreSectContents ']]>' Ignore)*
[65] Ignore ::= Char* - (Char* ('<![' | ']]>') Char*)
[66] CharRef ::= '&#' [0-9]+ ';'
| '&#x' [0-9a-fA-F]+ ';'
[67] Reference ::= EntityRef | CharRef
[68] EntityRef ::= '&' Name ';'
[69] PEReference ::= '%' Name ';'
[70] EntityDecl ::= GEDecl | PEDecl
[71] GEDecl ::= '<!ENTITY' S Name S EntityDef S? '>'
[72] PEDecl ::= '<!ENTITY' S '%' S Name S PEDef S? '>'
[73] EntityDef ::= EntityValue | (ExternalID NDataDecl?)
[74] PEDef ::= EntityValue | ExternalID
[75] ExternalID ::= 'SYSTEM' S SystemLiteral
| 'PUBLIC' S PubidLiteral S SystemLiteral
[76] NDataDecl ::= S 'NDATA' S Name
[77] TextDecl ::= '<?xml' VersionInfo? EncodingDecl S? '?>'
[78] extParsedEnt ::= TextDecl? content
[80] EncodingDecl ::= S 'encoding' Eq ('"' EncName '"' | "'" EncName "'" )
[81] EncName ::= [A-Za-z] ([A-Za-z0-9._] | '-')*
[82] NotationDecl ::= '<!NOTATION' S Name S (ExternalID | PublicID) S? '>'
[83] PublicID ::= 'PUBLIC' S PubidLiteral
# Extensions for namespaces
[1] NSAttName ::= PrefixedAttName
| DefaultAttName
[2] PrefixedAttName ::= 'xmlns:' NCName
[3] DefaultAttName ::= 'xmlns'
[4] NCName ::= Name - (Char* ':' Char*)
[7] QName ::= PrefixedName
| UnprefixedName
[8] PrefixedName ::= Prefix ':' LocalPart
[9] UnprefixedName ::= LocalPart
[10] Prefix ::= NCName
[11] LocalPart ::= NCName
[12] STag ::= '<' QName (S Attribute)* S? '>'
[13] ETag ::= '</' QName S? '>'
[14] EmptyElemTag ::= '<' QName (S Attribute)* S? '/>'
[15] Attribute ::= NSAttName Eq AttValue
| QName Eq AttValue
[16] doctypedecl ::= '<!DOCTYPE' S QName (S ExternalID)? S? ('[' (markupdecl | PEReference | S)* ']' S?)? '>'
[17] elementdecl ::= '<!ELEMENT' S QName S contentspec S? '>'
[18] cp ::= (QName | choice | seq) ('?' | '*' | '+')?
[19] Mixed ::= '(' S? '#PCDATA' (S? '|' S? QName)* S? ')*'
| '(' S? '#PCDATA' S? ')'
[20] AttlistDecl ::= '<!ATTLIST' S QName AttDef* S? '>'
[21] AttDef ::= S (QName | NSAttName) S AttType S DefaultDecl