private SyntaxToken XmlMakeDoubleQuoteToken(
SyntaxList<SyntaxNode> leadingTrivia,
char spelling,
bool isOpening)
{
Debug.Assert(PeekChar() == spelling);
AdvanceChar();
SyntaxNode followingTrivia = null;
if (!isOpening)
{
var ws = ScanXmlWhitespace();
followingTrivia = ws;
}
return MakePunctuationToken(
SyntaxKind.DoubleQuoteToken,
"\"",
leadingTrivia,
followingTrivia);
}