fix line length check for windows

src/verify_markup.rs

@@ -282,7 +282,7 @@ impl Database {
             let mut iter = seg.buffer.iter().enumerate();
             while let Some((i, &c)) = iter.next() {
                 match c {
-                    b'\n' => {
+                    b'\r' | b'\n' => {
                         eol_check(&mut diags, &seg, line_start, i);
                         line_start = i + 1;
                     }