For example, consider the following markup:

  C1#m(a, b)

Before this patch, it generated this HTML:

  <p><a href=\"C1.html#method-i-m\"><code>C1#m</code></a>(a, b)</p>

Which places the method arguments outside of the link.

Now it generates this HTML:

  <a href=\"C1.html#method-i-m\"><code>C1#m(a, b)</code></a>

https://github.com/ruby/rdoc/commit/05a2b2222b