+<span id="LC9" class="line"> <span class="k">raise</span> <span class="no">RuntimeError</span><span class="p">,</span> <span class="s2">"System commands must be given as an array of strings"</span></span>
+<span id="LC9" class="line"> <span class="k">raise</span> <span class="no"><span class='idiff'>RuntimeError</span></span><span class="p"><span class='idiff'>,</span></span> <span class="s2">"System commands must be given as an array of strings"</span></span>
code=%Q{+<span id="LC9" class="line"> <span class="k">raise</span> <span class="no">RuntimeError</span><span class="p">,</span> <span class="s2">"System commands must be given as an array of strings"</span></span>\n}
code=%Q{-<span id="LC9" class="line"> <span class="k">raise</span> <span class="s2">"System commands must be given as an array of strings"</span></span>\n}
it'should highlight removed lines'do
code=%Q{-<span id="LC9" class="line"> <span class="k">raise</span> <span class="s2">"System commands must be given as an array of strings"</span></span>\n}
code=%Q{+<span id="LC9" class="line"> <span class="k">raise</span> <span class="no"><span class='idiff'>RuntimeError</span></span><span class="p"><span class='idiff'>,</span></span> <span class="s2">"System commands must be given as an array of strings"</span></span>\n}