'function'    Keyword
' '           Text
'sample_page' Text
'()'          Operator
' '           Text
'{'           Operator
'\n  '        Text
'<'           Literal.String.Single
'header'      Literal.String.Single
'>'           Literal.String.Single
'\n    '      Literal.String.Single
'<'           Literal.String.Single
'h3'          Literal.String.Single
'>'           Literal.String.Single
'HTML in Opa' Literal.String.Single
'</'          Literal.String.Single
'h3>'         Literal.String.Single
'\n  '        Literal.String.Single
'</'          Literal.String.Single
'header>'     Literal.String.Single
'\n  '        Text
'<'           Literal.String.Single
'article'     Literal.String.Single
'>'           Literal.String.Single
'\n    '      Literal.String.Single
'<'           Literal.String.Single
'div'         Literal.String.Single
' '           Text
'class='      Literal.String.Single
'container'   Literal.String.Single
'>'           Literal.String.Single
'\n      '    Literal.String.Single
'<'           Literal.String.Single
'p'           Literal.String.Single
'>'           Literal.String.Single
'Learning by examples.' Literal.String.Single
'</'          Literal.String.Single
'p>'          Literal.String.Single
'\n    '      Literal.String.Single
'</'          Literal.String.Single
'div>'        Literal.String.Single
'\n  '        Literal.String.Single
'</'          Literal.String.Single
'article>'    Literal.String.Single
'\n'          Text

'}'           Operator
'\n'          Text