hunk.code_window:                             createMessage={Utils.localizeMessage('edit_channel_header.editHeader', 'Edit the Channel Header...')}
                               previewMessageLink={Utils.localizeMessage('edit_channel_header.previewHeader', 'Edit Header')}
                               handlePostError={this.handlePostError}
                               id='edit_textbox'
                               ref='editChannelHeaderTextbox'
                           />
                           <br/>
                           {serverError}
  
hunk.labels: keep keep keep keep add keep keep keep
hunk.after_edit:                             characterLimit={1024}
  
hunk.file_path: webapp/components/edit_channel_header_modal.jsx
hunk.type: add
file: {{define "username_change_body"}}
  
  <table align="center" border="0" cellpadding="0" cellspacing="0" width="100%" style="margin-top: 20px; line-height: 1.7; color: #555;">
      <tr>
          <td>
              <table align="center" border="0" cellpadding="0" cellspacing="0" width="100%" style="max-width: 660px; font-family: Helvetica, Arial, sans-serif; font-size: 14px; background: #FFF;">
                  <tr>
                      <td style="border: 1px solid #ddd;">
                          <table align="center" border="0" cellpadding="0" cellspacing="0" width="100%" style="border-collapse: collapse;">
                              <tr>
                                  <td style="padding: 20px 20px 10px; text-align:left;">
                                      <img src="{{.Props.SiteURL}}/static/images/logo-email.png" width="130px" style="opacity: 0.5" alt="">
                                  </td>
                              </tr>
                              <tr>
                                  <td>
                                      <table border="0" cellpadding="0" cellspacing="0" style="padding: 20px 50px 0; text-align: center; margin: 0 auto">
                                          <tr>
                                              <td style="border-bottom: 1px solid #ddd; padding: 0 0 20px;">
                                                  <h2 style="font-weight: normal; margin-top: 10px;">{{.Props.Title}}</h2>
                                                  <p>{{.Html.Info}}</p>
                                              </td>
                                          </tr>
                                          <tr>
                                              {{template "email_info" . }}
                                          </tr>
                                      </table>
                                  </td>
                              </tr>
                              <tr>
                                  {{template "email_footer" . }}
                              </tr>
                          </table>
                      </td>
                  </tr>
              </table>
          </td>
      </tr>
  </table>
  
  {{end}}
  