Found the following HTML validation problems:
Linne.html:140:1 (Linne.Rd:193): Warning: <h5> anchor "Usage" already defined
Linne.html:146:1 (Linne.Rd:197): Warning: <h5> anchor "Arguments" already defined
Linne.html:162:1 (Linne.Rd:207): Warning: <h5> anchor "Details" already defined
Linne.html:171:1 (Linne.Rd:213): Warning: <h5> anchor "Returns" already defined
Linne.html:178:1 (Linne.Rd:216): Warning: <h5> anchor "Examples" already defined
Linne.html:195:1 (Linne.Rd:229): Warning: <h5> anchor "Usage" already defined
Linne.html:201:1 (Linne.Rd:233): Warning: <h5> anchor "Details" already defined
Linne.html:210:1 (Linne.Rd:239): Warning: <h5> anchor "Examples" already defined
Linne.html:239:1 (Linne.Rd:264): Warning: <h5> anchor "Usage" already defined
Linne.html:245:1 (Linne.Rd:268): Warning: <h5> anchor "Arguments" already defined
Linne.html:258:1 (Linne.Rd:275): Warning: <h5> anchor "Details" already defined
Linne.html:265:1 (Linne.Rd:279): Warning: <h5> anchor "Returns" already defined
Linne.html:272:1 (Linne.Rd:282): Warning: <h5> anchor "Examples" already defined
Linne.html:289:1 (Linne.Rd:295): Warning: <h5> anchor "Usage" already defined
Linne.html:295:1 (Linne.Rd:299): Warning: <h5> anchor "Arguments" already defined
Linne.html:308:1 (Linne.Rd:306): Warning: <h5> anchor "Details" already defined
Linne.html:315:1 (Linne.Rd:310): Warning: <h5> anchor "Examples" already defined
Linne.html:332:1 (Linne.Rd:323): Warning: <h5> anchor "Usage" already defined
Linne.html:338:1 (Linne.Rd:327): Warning: <h5> anchor "Arguments" already defined
Linne.html:351:1 (Linne.Rd:334): Warning: <h5> anchor "Details" already defined
Linne.html:360:1 (Linne.Rd:340): Warning: <h5> anchor "Examples" already defined
Linne.html:377:1 (Linne.Rd:353): Warning: <h5> anchor "Usage" already defined
Linne.html:383:1 (Linne.Rd:357): Warning: <h5> anchor "Arguments" already defined
Linne.html:396:1 (Linne.Rd:364): Warning: <h5> anchor "Details" already defined
Linne.html:405:1 (Linne.Rd:370): Warning: <h5> anchor "Returns" already defined
Linne.html:412:1 (Linne.Rd:373): Warning: <h5> anchor "Examples" already defined
Linne.html:459:1 (Linne.Rd:416): Warning: <h5> anchor "Usage" already defined
Linne.html:465:1 (Linne.Rd:420): Warning: <h5> anchor "Arguments" already defined
Linne.html:482:1 (Linne.Rd:431): Warning: <h5> anchor "Details" already defined
Linne.html:491:1 (Linne.Rd:437): Warning: <h5> anchor "Examples" already defined
Linne.html:509:1 (Linne.Rd:451): Warning: <h5> anchor "Usage" already defined
Linne.html:515:1 (Linne.Rd:455): Warning: <h5> anchor "Details" already defined
Linne.html:532:1 (Linne.Rd:466): Warning: <h5> anchor "Usage" already defined
Linne.html:538:1 (Linne.Rd:470): Warning: <h5> anchor "Arguments" already defined
Linne.html:553:1 (Linne.Rd:479): Warning: <h5> anchor "Details" already defined
Linne.html:562:1 (Linne.Rd:485): Warning: <h5> anchor "Examples" already defined
Linne.html:605:1 (Linne.Rd:523): Warning: <h5> anchor "Usage" already defined
Linne.html:611:1 (Linne.Rd:527): Warning: <h5> anchor "Arguments" already defined
when.html:50:1 (when.Rd:17): Warning: missing </ul> before </div>