in lib/src/highlighter.dart [556:575]
static SourceSpanWithContext _normalizeNewlines(SourceSpanWithContext span) {
final text = span.text;
if (!text.contains('\r\n')) return span;
var endOffset = span.end.offset;
for (var i = 0; i < text.length - 1; i++) {
if (text.codeUnitAt(i) == $cr && text.codeUnitAt(i + 1) == $lf) {
endOffset--;
}
}
return SourceSpanWithContext(
span.start,
SourceLocation(endOffset,
sourceUrl: span.sourceUrl,
line: span.end.line,
column: span.end.column),
text.replaceAll('\r\n', '\n'),
span.context.replaceAll('\r\n', '\n'));
}