xml: prolog element Comment

prolog: XMLDDecl? Comment (doctypedecl Comment)?

element: EmptyElementTag | stag content etag

Comment: ''
Char_: qualquer caracter exceto '-'

XMLDecl: <'?'xml VersionInfo EncodingDecl? SDDecl? '?'>

doctypedecl: <'!'DOCTYPE Name ExternalID? ('[' intSubset ']')? >

EmptyElementTag: '<' Name Attribute* '/>'

stag: '<' Name Attribute* '>'

content: CharData? ((element | Reference | CDSect | Comment) CharData?)*

VersionInfo: 'version''='("'" VersionNum "'" | '"' VersionNum '"')

EncodingDecl: 'encoding''='('"' EncName '"' | "'" EncName "'" )

SDDecl: 'standalone''='(("'" ('yes' | 'no') "'") | ('"' ('yes' | 'no') '"'))

ExternalID: 'SYSTEM' SystemLiteral | 'PUBLIC' PubidLiteral SystemLiteral

intSubset: (markupdecl | DeclSep)*

Attribute: Name '=' AttValue

Reference: EntityRef | CharRef

markupdecl: elementdecl | AttlistDecl | EntityDecl | NotationDecl | Comment

DeclSep: PEReference | ['WFC: PE Between Declarations']

EntityRef: '&' Name ';'

elementdecl: ''

AttlistDecl: ''

EntityDecl: GEDecl | PEDecl

NotationDecl: ''

PEReference: '%' Name ';'

contentspec: 'EMPTY' | 'ANY' | Mixed | children

AttDef: Name AttType DefaultDecl

GEDecl: ''

PEDecl: ''

Mixed: '(' '#PCDATA' Name* ')*' | '(' '#PCDATA' ')'

children: (choice | seq) ('?' | '*' | '+')?

AttType: 'CDATA' | 'ID' | 'IDREF' | 'IDREFS' | 'ENTITY' | 'ENTITIES' | 'NMTOKEN' | 'NMTOKENS' | 'NOTATION' '(' Name* ')' | '(' Nmtoken* ')'

DefaultDecl: '#REQUIRED' | '#IMPLIED' | ('#FIXED'? AttValue)

EntityDef: EntityValue | ExternalID ('NDATA' Name)?

PEDef: EntityValue | ExternalID

choice: '(' cp+ ')'

seq: '(' cp ( ',' cp )* ')'

EntityValue: '"' ([^%&"] | PEReference | Reference)* '"'

cp: (Name | choice | seq) ('?' | '*' | '+')?

extSubset: TextDecl? extSubsetDecl

TextDecl: ''

extSubsetDecl: ( markupdecl | conditionalSect | DeclSep)*

conditionalSect: '' | ''

ignoreSectContents: Ignore ('' Ignore)*

Ignore: Char* '-' (Char* ('') Char*)

extParsedEnt: TextDecl? content

symbol: expression

CharRef: '&#' ['0-9']+ ';' | '&# x' ['0-9a-fA-F']+ ';'

VersionNum: '1.' ['0-9']+

EncName: ['A-Za-z'] (['A-Za-z0-9._'] | '-')*