---input---
import std.stdio;

void main() {
    // Nesting delimited strings
    auto a = q"{foo " {bar} baz}";
    auto b = q"[foo [bar] " baz]";
    auto c = q"(foo " (bar) baz)";
    auto d = q"<foo <bar> " baz>";
    // Non-nesting delimited strings
    auto e = q"/foo " bar/";
    auto f = q"-Another " string-";
    // "heredoc" strings
    auto g = q"FOO
        This is a string!
FOO";
    // Token strings (only the q{} should be highlighted as a string)
    auto h = q{
        int i;
        void foo() { writefln("Hello, world!"); }
    };
}

---tokens---
'import'      Keyword
' '           Text
'std'         Name
'.'           Punctuation
'stdio'       Name
';'           Punctuation
'\n'          Text

'\n'          Text

'void'        Keyword.Type
' '           Text
'main'        Name
'('           Punctuation
')'           Punctuation
' '           Text
'{'           Punctuation
'\n'          Text

'    '        Text
'// Nesting delimited strings\n' Comment.Single

'    '        Text
'auto'        Keyword
' '           Text
'a'           Name
' '           Text
'='           Punctuation
' '           Text
'q"{'         Literal.String
'foo " '      Literal.String
'{'           Literal.String
'bar'         Literal.String
'}'           Literal.String
' baz'        Literal.String
'}"'          Literal.String
';'           Punctuation
'\n'          Text

'    '        Text
'auto'        Keyword
' '           Text
'b'           Name
' '           Text
'='           Punctuation
' '           Text
'q"['         Literal.String
'foo '        Literal.String
'['           Literal.String
'bar'         Literal.String
']'           Literal.String
' " baz'      Literal.String
']"'          Literal.String
';'           Punctuation
'\n'          Text

'    '        Text
'auto'        Keyword
' '           Text
'c'           Name
' '           Text
'='           Punctuation
' '           Text
'q"('         Literal.String
'foo " '      Literal.String
'('           Literal.String
'bar'         Literal.String
')'           Literal.String
' baz'        Literal.String
')"'          Literal.String
';'           Punctuation
'\n'          Text

'    '        Text
'auto'        Keyword
' '           Text
'd'           Name
' '           Text
'='           Punctuation
' '           Text
'q"<'         Literal.String
'foo '        Literal.String
'<'           Literal.String
'bar'         Literal.String
'>'           Literal.String
' " baz'      Literal.String
'>"'          Literal.String
';'           Punctuation
'\n'          Text

'    '        Text
'// Non-nesting delimited strings\n' Comment.Single

'    '        Text
'auto'        Keyword
' '           Text
'e'           Name
' '           Text
'='           Punctuation
' '           Text
'q"/foo " bar/"' Literal.String
';'           Punctuation
'\n'          Text

'    '        Text
'auto'        Keyword
' '           Text
'f'           Name
' '           Text
'='           Punctuation
' '           Text
'q"-Another " string-"' Literal.String
';'           Punctuation
'\n'          Text

'    '        Text
'// "heredoc" strings\n' Comment.Single

'    '        Text
'auto'        Keyword
' '           Text
'g'           Name
' '           Text
'='           Punctuation
' '           Text
'q"FOO\n        This is a string!\nFOO"' Literal.String
';'           Punctuation
'\n'          Text

'    '        Text
'// Token strings (only the q{} should be highlighted as a string)\n' Comment.Single

'    '        Text
'auto'        Keyword
' '           Text
'h'           Name
' '           Text
'='           Punctuation
' '           Text
'q{'          Literal.String
'\n'          Text

'        '    Text
'int'         Keyword.Type
' '           Text
'i'           Name
';'           Punctuation
'\n'          Text

'        '    Text
'void'        Keyword.Type
' '           Text
'foo'         Name
'('           Punctuation
')'           Punctuation
' '           Text
'{'           Punctuation
' '           Text
'writefln'    Name
'('           Punctuation
'"Hello, world!"' Literal.String
')'           Punctuation
';'           Punctuation
' '           Text
'}'           Punctuation
'\n'          Text

'    '        Text
'}'           Literal.String
';'           Punctuation
'\n'          Text

'}'           Punctuation
'\n'          Text