<span class="ruby-regexp re">/^\%(.*?\r?\n)/</span>) <span class="ruby-keyword kw">do</span>
        <span class="ruby-identifier">line</span>  = <span class="ruby-identifier">$1</span>
        <span class="ruby-identifier">match</span> = <span class="ruby-constant">Regexp</span>.<span class="ruby-identifier">last_match</span>
        <span class="ruby-identifier">len</span>   = <span class="ruby-identifier">match</span>.<span class="ruby-identifier">begin</span>(<span class="ruby-value">0</span>) <span cla