'{'           Punctuation
' '           Text
':old_syntax' Literal.String.Symbol
' '           Text
'='           Operator
'>'           Operator
' '           Text
"'"           Literal.String.Single
'ok'          Literal.String.Single
"'"           Literal.String.Single
' '           Text
'}'           Punctuation
'\n'          Text

'{'           Punctuation
' '           Text
"'"           Literal.String.Single
'stings as key' Literal.String.Single
"'"           Literal.String.Single
' '           Text
'='           Operator
'>'           Operator
' '           Text
"'"           Literal.String.Single
'should be ok' Literal.String.Single
"'"           Literal.String.Single
' '           Text
'}'           Punctuation
'\n'          Text

'{'           Punctuation
' '           Text
'new_syntax'  Literal.String.Symbol
':'           Punctuation
' '           Text
"'"           Literal.String.Single
'broken until now' Literal.String.Single
"'"           Literal.String.Single
' '           Text
'}'           Punctuation
'\n'          Text

'{'           Punctuation
' '           Text
'withoutunderscore' Literal.String.Symbol
':'           Punctuation
' '           Text
"'"           Literal.String.Single
'should be ok' Literal.String.Single
"'"           Literal.String.Single
' '           Text
'}'           Punctuation
'\n'          Text

'{'           Punctuation
' '           Text
'_underscoreinfront' Literal.String.Symbol
':'           Punctuation
' '           Text
"'"           Literal.String.Single
'might be ok, if I understand the pygments code correct' Literal.String.Single
"'"           Literal.String.Single
' '           Text
'}'           Punctuation
'\n'          Text