title: Unable to quit debug/browser mode
body: <p>In Rstudio console, I ran the following commands </p>
  
  <pre><code>&gt; debug(ls)
  &gt; ls()
  </code></pre>
  
  <p>Then, I could not quit/leave the debug mode. I tried the following:</p>
  
  <p>1, "Q" + "enter key" 
  2, "c" + "enter key" 
  3. the red "Stop" button.</p>
  
  <p>but it does not leave debug mode. </p>
  
  <hr>
  
  <pre><code>Browse[2]&gt; Q
  debugging in: ls(.Internal(getNamespaceRegistry()), all.names = TRUE)
  debug: {
      if (!missing(name)) {
  </code></pre>
  
  <hr>
  
  <pre><code>Error: unable to quit when browser is active
  Browse[2]&gt; c
  exiting from: ls(.Internal(getNamespaceRegistry()), all.names = TRUE)
  debugging in: ls(.Internal(getNamespaceRegistry()), all.names = TRUE)
  debug: {
      if (!missing(name)) {
  </code></pre>
  
  <p>.....</p>
  
  <hr>
  
  <p>The Rstudio version: Version 0.98.1060 – © 2009-2013 RStudio, Inc.</p>
  
  <p>The R version: R i386.3.1.1</p>
  
  <p>Has anyone had this issue in Rstudio? 
  Thanks.
  Ang</p>