hunk.code_window:         Client.updateChannelHeader(data,
               () => {
                   this.setState({serverError: ''});
  
hunk.labels: keep replace replace keep
hunk.after_edit:     handleSubmit() {
           Client.updateChannelHeader(
               this.props.channel.id,
               this.state.header,
               (channel) => {
  
hunk.file_path: web/react/components/edit_channel_header_modal.jsx
hunk.type: replace
file: <logging>
    <filter enabled="true">
      <tag>stdout</tag>
      <type>console</type>
      <!-- level is (:?FINEST|FINE|DEBUG|TRACE|INFO|WARNING|ERROR) -->
      <level>DEBUG</level>
    </filter>
    <filter enabled="true">
      <tag>file</tag>
      <type>file</type>
      <level>FINEST</level>
      <property name="filename">test.log</property>
      <!--
         %T - Time (15:04:05 MST)
         %t - Time (15:04)
         %D - Date (2006/01/02)
         %d - Date (01/02/06)
         %L - Level (FNST, FINE, DEBG, TRAC, WARN, EROR, CRIT)
         %S - Source
         %M - Message
         It ignores unknown format strings (and removes them)
         Recommended: "[%D %T] [%L] (%S) %M"
      -->
      <property name="format">[%D %T] [%L] (%S) %M</property>
      <property name="rotate">false</property> <!-- true enables log rotation, otherwise append -->
      <property name="maxsize">0M</property> <!-- \d+[KMG]? Suffixes are in terms of 2**10 -->
      <property name="maxlines">0K</property> <!-- \d+[KMG]? Suffixes are in terms of thousands -->
      <property name="daily">true</property> <!-- Automatically rotates when a log message is written after midnight -->
    </filter>
    <filter enabled="true">
      <tag>xmllog</tag>
      <type>xml</type>
      <level>TRACE</level>
      <property name="filename">trace.xml</property>
      <property name="rotate">true</property> <!-- true enables log rotation, otherwise append -->
      <property name="maxsize">100M</property> <!-- \d+[KMG]? Suffixes are in terms of 2**10 -->
      <property name="maxrecords">6K</property> <!-- \d+[KMG]? Suffixes are in terms of thousands -->
      <property name="daily">false</property> <!-- Automatically rotates when a log message is written after midnight -->
    </filter>
    <filter enabled="false"><!-- enabled=false means this logger won't actually be created -->
      <tag>donotopen</tag>
      <type>socket</type>
      <level>FINEST</level>
      <property name="endpoint">192.168.1.255:12124</property> <!-- recommend UDP broadcast -->
      <property name="protocol">udp</property> <!-- tcp or udp -->
    </filter>
  </logging>
  