Found the following validation problem for the NEWS.Rd HTML conversion:
NEWS.html:6645:1 (inst/NEWS.Rd:2837): Warning: missing </ul> before </div>
NEWS.html:112:1 (inst/NEWS.Rd:44): Warning: <h4> anchor "Introduction" already defined
NEWS.html:147:1 (inst/NEWS.Rd:61): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:287:1 (inst/NEWS.Rd:142): Warning: <h4> anchor "Additions" already defined
NEWS.html:318:1 (inst/NEWS.Rd:153): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:342:1 (inst/NEWS.Rd:163): Warning: <h4> anchor "Additions" already defined
NEWS.html:407:1 (inst/NEWS.Rd:189): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:521:1 (inst/NEWS.Rd:249): Warning: <h4> anchor "Additions" already defined
NEWS.html:604:1 (inst/NEWS.Rd:284): Warning: <h4> anchor "Additions" already defined
NEWS.html:654:1 (inst/NEWS.Rd:302): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:679:1 (inst/NEWS.Rd:313): Warning: <h4> anchor "Additions" already defined
NEWS.html:702:1 (inst/NEWS.Rd:324): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:734:1 (inst/NEWS.Rd:340): Warning: <h4> anchor "Additions" already defined
NEWS.html:790:1 (inst/NEWS.Rd:361): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:822:1 (inst/NEWS.Rd:378): Warning: <h4> anchor "Additions" already defined
NEWS.html:896:1 (inst/NEWS.Rd:406): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:964:1 (inst/NEWS.Rd:440): Warning: <h4> anchor "Additions" already defined
NEWS.html:1023:1 (inst/NEWS.Rd:464): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:1067:1 (inst/NEWS.Rd:481): Warning: <h4> anchor "Additions" already defined
NEWS.html:1090:1 (inst/NEWS.Rd:491): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:1113:1 (inst/NEWS.Rd:502): Warning: <h4> anchor "Additions" already defined
NEWS.html:1160:1 (inst/NEWS.Rd:520): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:1206:1 (inst/NEWS.Rd:538): Warning: <h4> anchor "Additions" already defined
NEWS.html:1256:1 (inst/NEWS.Rd:558): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:1288:1 (inst/NEWS.Rd:577): Warning: <h4> anchor "Additions" already defined
NEWS.html:1323:1 (inst/NEWS.Rd:595): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:1366:1 (inst/NEWS.Rd:613): Warning: <h4> anchor "Additions" already defined
NEWS.html:1425:1 (inst/NEWS.Rd:635): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:1446:1 (inst/NEWS.Rd:647): Warning: <h4> anchor "Additions" already defined
NEWS.html:1481:1 (inst/NEWS.Rd:664): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:1536:1 (inst/NEWS.Rd:690): Warning: <h4> anchor "Additions" already defined
NEWS.html:1556:1 (inst/NEWS.Rd:700): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:1580:1 (inst/NEWS.Rd:714): Warning: <h4> anchor "Additions" already defined
NEWS.html:1606:1 (inst/NEWS.Rd:727): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:1636:1 (inst/NEWS.Rd:741): Warning: <h4> anchor "Additions" already defined
NEWS.html:1650:1 (inst/NEWS.Rd:749): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:1671:1 (inst/NEWS.Rd:763): Warning: <h4> anchor "Additions" already defined
NEWS.html:1739:1 (inst/NEWS.Rd:788): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:1790:1 (inst/NEWS.Rd:811): Warning: <h4> anchor "Additions" already defined
NEWS.html:1822:1 (inst/NEWS.Rd:824): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:1843:1 (inst/NEWS.Rd:835): Warning: <h4> anchor "Additions" already defined
NEWS.html:1920:1 (inst/NEWS.Rd:863): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:1971:1 (inst/NEWS.Rd:885): Warning: <h4> anchor "Additions" already defined
NEWS.html:2039:1 (inst/NEWS.Rd:909): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:2088:1 (inst/NEWS.Rd:929): Warning: <h4> anchor "Additions" already defined
NEWS.html:2168:1 (inst/NEWS.Rd:957): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:2216:1 (inst/NEWS.Rd:976): Warning: <h4> anchor "Additions" already defined
NEWS.html:2230:1 (inst/NEWS.Rd:982): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:2250:1 (inst/NEWS.Rd:990): Warning: <h4> anchor "Additions" already defined
NEWS.html:2354:1 (inst/NEWS.Rd:1027): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:2411:1 (inst/NEWS.Rd:1049): Warning: <h4> anchor "Additions" already defined
NEWS.html:2440:1 (inst/NEWS.Rd:1061): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:2467:1 (inst/NEWS.Rd:1074): Warning: <h4> anchor "Additions" already defined
NEWS.html:2622:1 (inst/NEWS.Rd:1129): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:2709:1 (inst/NEWS.Rd:1163): Warning: <h4> anchor "Additions" already defined
NEWS.html:2795:1 (inst/NEWS.Rd:1194): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:2831:1 (inst/NEWS.Rd:1214): Warning: <h4> anchor "Additions" already defined
NEWS.html:2899:1 (inst/NEWS.Rd:1248): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:2938:1 (inst/NEWS.Rd:1264): Warning: <h4> anchor "Additions" already defined
NEWS.html:2997:1 (inst/NEWS.Rd:1286): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:3051:1 (inst/NEWS.Rd:1308): Warning: <h4> anchor "Additions" already defined
NEWS.html:3119:1 (inst/NEWS.Rd:1333): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:3155:1 (inst/NEWS.Rd:1352): Warning: <h4> anchor "Additions" already defined
NEWS.html:3217:1 (inst/NEWS.Rd:1375): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:3244:1 (inst/NEWS.Rd:1388): Warning: <h4> anchor "Additions" already defined
NEWS.html:3294:1 (inst/NEWS.Rd:1406): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:3321:1 (inst/NEWS.Rd:1419): Warning: <h4> anchor "Additions" already defined
NEWS.html:3386:1 (inst/NEWS.Rd:1442): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:3416:1 (inst/NEWS.Rd:1457): Warning: <h4> anchor "Additions" already defined
NEWS.html:3430:1 (inst/NEWS.Rd:1463): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:3451:1 (inst/NEWS.Rd:1478): Warning: <h4> anchor "Additions" already defined
NEWS.html:3492:1 (inst/NEWS.Rd:1493): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:3520:1 (inst/NEWS.Rd:1510): Warning: <h4> anchor "Additions" already defined
NEWS.html:3612:1 (inst/NEWS.Rd:1543): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:3654:1 (inst/NEWS.Rd:1564): Warning: <h4> anchor "Additions" already defined
NEWS.html:3708:1 (inst/NEWS.Rd:1584): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:3756:1 (inst/NEWS.Rd:1606): Warning: <h4> anchor "Additions" already defined
NEWS.html:3791:1 (inst/NEWS.Rd:1620): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:3818:1 (inst/NEWS.Rd:1635): Warning: <h4> anchor "Additions" already defined
NEWS.html:3865:1 (inst/NEWS.Rd:1652): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:3889:1 (inst/NEWS.Rd:1665): Warning: <h4> anchor "Additions" already defined
NEWS.html:3936:1 (inst/NEWS.Rd:1682): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:3957:1 (inst/NEWS.Rd:1695): Warning: <h4> anchor "Additions" already defined
NEWS.html:3974:1 (inst/NEWS.Rd:1702): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:4004:1 (inst/NEWS.Rd:1717): Warning: <h4> anchor "Additions" already defined
NEWS.html:4057:1 (inst/NEWS.Rd:1736): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:4075:1 (inst/NEWS.Rd:1746): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:4090:1 (inst/NEWS.Rd:1754): Warning: <h4> anchor "Additions" already defined
NEWS.html:4116:1 (inst/NEWS.Rd:1765): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:4140:1 (inst/NEWS.Rd:1777): Warning: <h4> anchor "Additions" already defined
NEWS.html:4220:1 (inst/NEWS.Rd:1806): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:4256:1 (inst/NEWS.Rd:1823): Warning: <h4> anchor "Additions" already defined
NEWS.html:4291:1 (inst/NEWS.Rd:1838): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:4312:1 (inst/NEWS.Rd:1849): Warning: <h4> anchor "Additions" already defined
NEWS.html:4332:1 (inst/NEWS.Rd:1858): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:4353:1 (inst/NEWS.Rd:1869): Warning: <h4> anchor "Additions" already defined
NEWS.html:4445:1 (inst/NEWS.Rd:1902): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:4508:1 (inst/NEWS.Rd:1926): Warning: <h4> anchor "Additions" already defined
NEWS.html:4534:1 (inst/NEWS.Rd:1937): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:4555:1 (inst/NEWS.Rd:1947): Warning: <h4> anchor "Additions" already defined
NEWS.html:4584:1 (inst/NEWS.Rd:1959): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:4620:1 (inst/NEWS.Rd:1975): Warning: <h4> anchor "Additions" already defined
NEWS.html:4637:1 (inst/NEWS.Rd:1983): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:4652:1 (inst/NEWS.Rd:1992): Warning: <h4> anchor "Additions" already defined
NEWS.html:4696:1 (inst/NEWS.Rd:2009): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:4723:1 (inst/NEWS.Rd:2021): Warning: <h4> anchor "Additions" already defined
NEWS.html:4746:1 (inst/NEWS.Rd:2032): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:4761:1 (inst/NEWS.Rd:2040): Warning: <h4> anchor "Additions" already defined
NEWS.html:4799:1 (inst/NEWS.Rd:2056): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:4817:1 (inst/NEWS.Rd:2066): Warning: <h4> anchor "Additions" already defined
NEWS.html:4858:1 (inst/NEWS.Rd:2083): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:4882:1 (inst/NEWS.Rd:2094): Warning: <h4> anchor "Additions" already defined
NEWS.html:4917:1 (inst/NEWS.Rd:2108): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:4941:1 (inst/NEWS.Rd:2119): Warning: <h4> anchor "Additions" already defined
NEWS.html:4973:1 (inst/NEWS.Rd:2134): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:4991:1 (inst/NEWS.Rd:2144): Warning: <h4> anchor "Additions" already defined
NEWS.html:5008:1 (inst/NEWS.Rd:2152): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:5023:1 (inst/NEWS.Rd:2160): Warning: <h4> anchor "Additions" already defined
NEWS.html:5040:1 (inst/NEWS.Rd:2168): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:5061:1 (inst/NEWS.Rd:2178): Warning: <h4> anchor "Additions" already defined
NEWS.html:5138:1 (inst/NEWS.Rd:2205): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:5180:1 (inst/NEWS.Rd:2221): Warning: <h4> anchor "Additions" already defined
NEWS.html:5194:1 (inst/NEWS.Rd:2227): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:5209:1 (inst/NEWS.Rd:2234): Warning: <h4> anchor "Additions" already defined
NEWS.html:5247:1 (inst/NEWS.Rd:2248): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:5262:1 (inst/NEWS.Rd:2255): Warning: <h4> anchor "Additions" already defined
NEWS.html:5279:1 (inst/NEWS.Rd:2263): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:5297:1 (inst/NEWS.Rd:2271): Warning: <h4> anchor "Additions" already defined
NEWS.html:5347:1 (inst/NEWS.Rd:2289): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:5372:1 (inst/NEWS.Rd:2299): Warning: <h4> anchor "Additions" already defined
NEWS.html:5383:1 (inst/NEWS.Rd:2304): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:5401:1 (inst/NEWS.Rd:2312): Warning: <h4> anchor "Additions" already defined
NEWS.html:5481:1 (inst/NEWS.Rd:2340): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:5499:1 (inst/NEWS.Rd:2348): Warning: <h4> anchor "Additions" already defined
NEWS.html:5510:1 (inst/NEWS.Rd:2353): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:5531:1 (inst/NEWS.Rd:2362): Warning: <h4> anchor "Additions" already defined
NEWS.html:5578:1 (inst/NEWS.Rd:2379): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:5602:1 (inst/NEWS.Rd:2389): Warning: <h4> anchor "Additions" already defined
NEWS.html:5622:1 (inst/NEWS.Rd:2397): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:5649:1 (inst/NEWS.Rd:2408): Warning: <h4> anchor "Additions" already defined
NEWS.html:5699:1 (inst/NEWS.Rd:2426): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:5732:1 (inst/NEWS.Rd:2439): Warning: <h4> anchor "Additions" already defined
NEWS.html:5752:1 (inst/NEWS.Rd:2447): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:5770:1 (inst/NEWS.Rd:2455): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:5785:1 (inst/NEWS.Rd:2462): Warning: <h4> anchor "Additions" already defined
NEWS.html:5832:1 (inst/NEWS.Rd:2479): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:5853:1 (inst/NEWS.Rd:2488): Warning: <h4> anchor "Additions" already defined
NEWS.html:5877:1 (inst/NEWS.Rd:2498): Warning: <h4> anchor "Additions" already defined
NEWS.html:5918:1 (inst/NEWS.Rd:2513): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:5936:1 (inst/NEWS.Rd:2521): Warning: <h4> anchor "Additions" already defined
NEWS.html:5951:1 (inst/NEWS.Rd:2528): Warning: <h4> anchor "Additions" already defined
NEWS.html:5965:1 (inst/NEWS.Rd:2535): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:5989:1 (inst/NEWS.Rd:2545): Warning: <h4> anchor "Additions" already defined
NEWS.html:6004:1 (inst/NEWS.Rd:2552): Warning: <h4> anchor "Additions" already defined
NEWS.html:6022:1 (inst/NEWS.Rd:2560): Warning: <h4> anchor "Additions" already defined
NEWS.html:6043:1 (inst/NEWS.Rd:2569): Warning: <h4> anchor "Additions" already defined
NEWS.html:6054:1 (inst/NEWS.Rd:2574): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:6069:1 (inst/NEWS.Rd:2581): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:6084:1 (inst/NEWS.Rd:2588): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:6099:1 (inst/NEWS.Rd:2595): Warning: <h4> anchor "Additions" already defined
NEWS.html:6117:1 (inst/NEWS.Rd:2603): Warning: <h4> anchor "Additions" already defined
NEWS.html:6135:1 (inst/NEWS.Rd:2611): Warning: <h4> anchor "Additions" already defined
NEWS.html:6159:1 (inst/NEWS.Rd:2621): Warning: <h4> anchor "Additions" already defined
NEWS.html:6170:1 (inst/NEWS.Rd:2626): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:6185:1 (inst/NEWS.Rd:2633): Warning: <h4> anchor "Additions" already defined
NEWS.html:6205:1 (inst/NEWS.Rd:2641): Warning: <h4> anchor "Bugs-Fixed" already defined
NEWS.html:6223:1 (inst/NEWS.Rd:2649): Warning: <h4> anchor "Additions" already defined
NEWS.html:6253:1 (inst/NEWS.Rd:2661): Warning: <h4> anchor "Additions" already defined
NEWS.html:6274:1 (inst/NEWS.Rd:2670): Warning: <h4> anchor "Additions" already defined
NEWS.html:6298:1 (inst/NEWS.Rd:2680): Warning: <h4> anchor "Additions" already defined
NEWS.html:6322:1 (inst/NEWS.Rd:2690): Warning: <h4> anchor "Additions" already defined
NEWS.html:6346:1 (inst/NEWS.Rd:2700): Warning: <h4> anchor "Additions" already defined
NEWS.html:6364:1 (inst/NEWS.Rd:2708): Warning: <h4> anchor "Additions" already defined
NEWS.html:6406:1 (inst/NEWS.Rd:2724): Warning: <h4> anchor "Additions" already defined
NEWS.html:6427:1 (inst/NEWS.Rd:2733): Warning: <h4> anchor "Additions" already defined
NEWS.html:6442:1 (inst/NEWS.Rd:2740): Warning: <h4> anchor "Additions" already defined
NEWS.html:6457:1 (inst/NEWS.Rd:2747): Warning: <h4> anchor "Additions" already defined
NEWS.html:6484:1 (inst/NEWS.Rd:2759): Warning: <h4> anchor "Additions" already defined
NEWS.html:6502:1 (inst/NEWS.Rd:2768): Warning: <h4> anchor "Additions" already defined
NEWS.html:6529:1 (inst/NEWS.Rd:2779): Warning: <h4> anchor "Additions" already defined
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