Found the following validation problem for the NEWS.Rd HTML conversion:
NEWS.html:639:1 (inst/NEWS.Rd:324): Warning: missing </ul> before </div>
NEWS.html:65:1 (inst/NEWS.Rd:30): Warning: <h4> anchor "Changed" already defined
NEWS.html:86:1 (inst/NEWS.Rd:40): Warning: <h4> anchor "Fixed" already defined
NEWS.html:98:1 (inst/NEWS.Rd:46): Warning: <h4> anchor "Changed" already defined
NEWS.html:113:1 (inst/NEWS.Rd:54): Warning: <h4> anchor "Fixed" already defined
NEWS.html:125:1 (inst/NEWS.Rd:60): Warning: <h4> anchor "Changed" already defined
NEWS.html:140:1 (inst/NEWS.Rd:68): Warning: <h4> anchor "Changed" already defined
NEWS.html:164:1 (inst/NEWS.Rd:81): Warning: <h4> anchor "Fixed" already defined
NEWS.html:177:1 (inst/NEWS.Rd:88): Warning: <h4> anchor "Changed" already defined
NEWS.html:196:1 (inst/NEWS.Rd:99): Warning: <h4> anchor "Added" already defined
NEWS.html:213:1 (inst/NEWS.Rd:109): Warning: <h4> anchor "Changed" already defined
NEWS.html:248:1 (inst/NEWS.Rd:125): Warning: <h4> anchor "Changed" already defined
NEWS.html:267:1 (inst/NEWS.Rd:135): Warning: <h4> anchor "Changed" already defined
NEWS.html:284:1 (inst/NEWS.Rd:145): Warning: <h4> anchor "Changed" already defined
NEWS.html:307:1 (inst/NEWS.Rd:157): Warning: <h4> anchor "Fixed" already defined
NEWS.html:321:1 (inst/NEWS.Rd:163): Warning: <h4> anchor "Changed" already defined
NEWS.html:332:1 (inst/NEWS.Rd:168): Warning: <h4> anchor "Added" already defined
NEWS.html:354:1 (inst/NEWS.Rd:179): Warning: <h4> anchor "Fixed" already defined
NEWS.html:366:1 (inst/NEWS.Rd:185): Warning: <h4> anchor "Added" already defined
NEWS.html:385:1 (inst/NEWS.Rd:195): Warning: <h4> anchor "Added" already defined
NEWS.html:403:1 (inst/NEWS.Rd:203): Warning: <h4> anchor "Changed" already defined
NEWS.html:428:1 (inst/NEWS.Rd:215): Warning: <h4> anchor "Added" already defined
NEWS.html:443:1 (inst/NEWS.Rd:223): Warning: <h4> anchor "Changed" already defined
NEWS.html:461:1 (inst/NEWS.Rd:234): Warning: <h4> anchor "Added" already defined
NEWS.html:473:1 (inst/NEWS.Rd:240): Warning: <h4> anchor "Fixed" already defined
NEWS.html:488:1 (inst/NEWS.Rd:248): Warning: <h4> anchor "Changed" already defined
NEWS.html:505:1 (inst/NEWS.Rd:258): Warning: <h4> anchor "Added" already defined
NEWS.html:517:1 (inst/NEWS.Rd:264): Warning: <h4> anchor "Changed" already defined
NEWS.html:540:1 (inst/NEWS.Rd:277): Warning: <h4> anchor "Added" already defined
NEWS.html:554:1 (inst/NEWS.Rd:285): Warning: <h4> anchor "Changed" already defined
NEWS.html:573:1 (inst/NEWS.Rd:295): Warning: <h4> anchor "Fixed" already defined
NEWS.html:585:1 (inst/NEWS.Rd:301): Warning: <h4> anchor "Added" already defined
NEWS.html:607:1 (inst/NEWS.Rd:311): Warning: <h4> anchor "Changed" already defined
NEWS.html:625:1 (inst/NEWS.Rd:320): Warning: <h4> anchor "Added" already defined