# Prefixes:
# `_` means to lowercase accumulate.
# `<` means to accumulate transition pattern as part of current state.
# `+` means to accumulate transition pattern as part of next state.
# `?` means to look ahead but don't accumulate transition pattern and allow next state to reconsume.

Text:
  '\w': ?TextWhitespace
  '\<': +OpeningTagStart
  '\</': +ClosingTag
  '\<!--': +Comment
  '&': ?TextEntity
  '': Text

TextWhitespace:
  '\w': TextWhitespace
  '&': ?TextEntity
  '': ?Text

Comment:
  '-->': <Text
  '': Comment

ClosingTag:
  '<tagName>': _ClosingTag
  '>': <Text

OpeningTagStart:
  '\w': ?OpeningTagWhitespace
  '<tagName>': _OpeningTagStart

OpeningTagWhitespace:
  '\w': OpeningTagWhitespace
  '<attrName>': ?AttrName
  '>': <Text

AttrName:
  '[>=\w]': ?AttrAfterName
  '<attrName>': _AttrName

AttrAfterName:
  '\w': AttrAfterName
  '>': ?OpeningTagWhitespace
  '=': +AttrBeforeValue

AttrBeforeValue:
  '\w': AttrBeforeValue
  "'": +AttrSingleQuotedValue
  '"': +AttrDoubleQuotedValue
  '': ?AttrUnquotedValue

AttrSingleQuotedValue:
  "'": <OpeningTagWhitespace
  '&': ?AttrValueEntity
  '\w': ?AttrSingleQuotedValueWhitespace
  '': AttrSingleQuotedValue

AttrSingleQuotedValueWhitespace:
  '\w': AttrSingleQuotedValueWhitespace
  '&': ?AttrValueEntity
  '': ?AttrSingleQuotedValue

AttrDoubleQuotedValue:
  '"': <OpeningTagWhitespace
  '&': ?AttrValueEntity
  '\w': ?AttrDoubleQuotedValueWhitespace
  '': AttrDoubleQuotedValue

AttrDoubleQuotedValueWhitespace:
  '\w': AttrDoubleQuotedValueWhitespace
  '&': ?AttrValueEntity
  '': ?AttrDoubleQuotedValue

AttrUnquotedValue:
  '\w': ?OpeningTagWhitespace
  '&': ?AttrValueEntity
  '': AttrUnquotedValue