fix regression caused by https://github.com/brson/rust-skeptic/pull/40

case with single "#" in given line not being stripped

src/skeptic/lib.rs

@@ -404,6 +404,9 @@ fn clean_omitted_line(line: &String) -> &str {
 
     if trimmed.starts_with("# ") {
         &trimmed[2..]
+    } else if trimmed.trim_right() == "#" {
+    // line consists of single "#" which might not be followed by newline on windows
+        &trimmed[1..]
     } else {
         line
     }

tests/hashtag-test.md

@@ -7,6 +7,17 @@ fn main() {
 }
 ```
 
+Rust code that includes lines with single "`#`" should be tested by skeptic without error.
+
+```rust
+#
+struct Person<'a>(&'a str);
+#
+fn main() {
+  let _ = Person("#bors");
+}
+```
+
 Rust code with hidden parts "`# `" should be tested by skeptic without error.
 
 ```rust