Found the following HTML validation problems:
animate.html:218:1 (animate.Rd:166): Warning: <h5> anchor "Usage" already defined
animate.html:234:1 (animate.Rd:176): Warning: <h5> anchor "Usage" already defined
animate.html:240:1 (animate.Rd:180): Warning: <h5> anchor "Arguments" already defined
animate.html:263:1 (animate.Rd:193): Warning: <h5> anchor "Usage" already defined
animate.html:269:1 (animate.Rd:197): Warning: <h5> anchor "Arguments" already defined
animate.html:293:1 (animate.Rd:211): Warning: <h5> anchor "Usage" already defined
animate.html:299:1 (animate.Rd:215): Warning: <h5> anchor "Arguments" already defined
animate.html:328:1 (animate.Rd:234): Warning: <h5> anchor "Usage" already defined
animate.html:334:1 (animate.Rd:238): Warning: <h5> anchor "Arguments" already defined
animate.html:365:1 (animate.Rd:259): Warning: <h5> anchor "Usage" already defined
animate.html:371:1 (animate.Rd:263): Warning: <h5> anchor "Arguments" already defined
animate.html:404:1 (animate.Rd:286): Warning: <h5> anchor "Usage" already defined
animate.html:410:1 (animate.Rd:290): Warning: <h5> anchor "Arguments" already defined
animate.html:439:1 (animate.Rd:309): Warning: <h5> anchor "Usage" already defined
animate.html:445:1 (animate.Rd:313): Warning: <h5> anchor "Arguments" already defined
animate.html:487:1 (animate.Rd:342): Warning: <h5> anchor "Usage" already defined
animate.html:493:1 (animate.Rd:346): Warning: <h5> anchor "Arguments" already defined
animate.html:520:1 (animate.Rd:363): Warning: <h5> anchor "Usage" already defined
animate.html:526:1 (animate.Rd:367): Warning: <h5> anchor "Arguments" already defined
animate.html:557:1 (animate.Rd:388): Warning: <h5> anchor "Usage" already defined
animate.html:563:1 (animate.Rd:392): Warning: <h5> anchor "Arguments" already defined
animate.html:592:1 (animate.Rd:411): Warning: <h5> anchor "Usage" already defined
animate.html:598:1 (animate.Rd:415): Warning: <h5> anchor "Arguments" already defined
animate.html:627:1 (animate.Rd:434): Warning: <h5> anchor "Usage" already defined
animate.html:633:1 (animate.Rd:438): Warning: <h5> anchor "Arguments" already defined
animate.html:662:1 (animate.Rd:457): Warning: <h5> anchor "Usage" already defined
animate.html:668:1 (animate.Rd:461): Warning: <h5> anchor "Arguments" already defined
animate.html:698:1 (animate.Rd:481): Warning: <h5> anchor "Usage" already defined
animate.html:704:1 (animate.Rd:485): Warning: <h5> anchor "Arguments" already defined
animate.html:719:1 (animate.Rd:494): Warning: <h5> anchor "Examples" already defined
animate.html:756:1 (animate.Rd:526): Warning: <h5> anchor "Usage" already defined
animate.html:762:1 (animate.Rd:530): Warning: <h5> anchor "Arguments" already defined
animate.html:792:1 (animate.Rd:550): Warning: <h5> anchor "Usage" already defined
animate.html:798:1 (animate.Rd:554): Warning: <h5> anchor "Arguments" already defined
animate.html:821:1 (animate.Rd:567): Warning: <h5> anchor "Usage" already defined
animate.html:827:1 (animate.Rd:571): Warning: <h5> anchor "Arguments" already defined
animate.html:850:1 (animate.Rd:584): Warning: <h5> anchor "Usage" already defined
animate.html:856:1 (animate.Rd:588): Warning: <h5> anchor "Arguments" already defined
animate.html:881:1 (animate.Rd:603): Warning: <h5> anchor "Usage" already defined
animate.html:897:1 (animate.Rd:613): Warning: <h5> anchor "Usage" already defined
animate.html:903:1 (animate.Rd:617): Warning: <h5> anchor "Arguments" already defined
animate.html:933:1 (animate.Rd:637): Warning: <h5> anchor "Usage" already defined
animate.html:939:1 (animate.Rd:641): Warning: <h5> anchor "Arguments" already defined
animate.html:962:1 (animate.Rd:654): Warning: <h5> anchor "Usage" already defined
animate.html:968:1 (animate.Rd:658): Warning: <h5> anchor "Arguments" already defined
animate.html:993:1 (animate.Rd:673): Warning: <h5> anchor "Usage" already defined
animate.html:999:1 (animate.Rd:677): Warning: <h5> anchor "Details" already defined
animate.html:1034:1 (animate.Rd:705): Warning: <h5> anchor "Usage" already defined
animate.html:1040:1 (animate.Rd:709): Warning: <h5> anchor "Arguments" already defined
animate.html:1063:1 (animate.Rd:722): Warning: <h5> anchor "Usage" already defined
animate.html:1069:1 (animate.Rd:726): Warning: <h5> anchor "Arguments" already defined
websocket.html:223:1 (websocket.Rd:125): Warning: missing </ul> before </div>
websocket.html:112:1 (websocket.Rd:60): Warning: <h5> anchor "Usage" already defined
websocket.html:128:1 (websocket.Rd:70): Warning: <h5> anchor "Usage" already defined
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websocket.html:160:1 (websocket.Rd:90): Warning: <h5> anchor "Usage" already defined
websocket.html:200:1 (websocket.Rd:114): Warning: <h5> anchor "Usage" already defined
websocket.html:206:1 (websocket.Rd:118): Warning: <h5> anchor "Arguments" already defined