Found the following HTML validation problems:
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AbstractGraph.html:142:1 (AbstractGraph.Rd:82): Warning: <h5> anchor "Arguments" already defined
AbstractGraph.html:156:1 (AbstractGraph.Rd:90): Warning: <h5> anchor "Returns" already defined
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AbstractGraph.html:211:1 (AbstractGraph.Rd:121): Warning: <h5> anchor "Usage" already defined
AbstractGraph.html:217:1 (AbstractGraph.Rd:125): Warning: <h5> anchor "Returns" already defined
AbstractGraph.html:234:1 (AbstractGraph.Rd:134): Warning: <h5> anchor "Usage" already defined
AbstractGraph.html:240:1 (AbstractGraph.Rd:138): Warning: <h5> anchor "Arguments" already defined
AbstractGraphReporter.html:177:1 (AbstractGraphReporter.Rd:104): Warning: missing </ul> before </div>
AbstractGraphReporter.html:131:1 (AbstractGraphReporter.Rd:80): Warning: <h5> anchor "Usage" already defined
AbstractGraphReporter.html:137:1 (AbstractGraphReporter.Rd:84): Warning: <h5> anchor "Returns" already defined
AbstractGraphReporter.html:154:1 (AbstractGraphReporter.Rd:93): Warning: <h5> anchor "Usage" already defined
AbstractPackageReporter.html:162:1 (AbstractPackageReporter.Rd:86): Warning: missing </ul> before </div>
AbstractPackageReporter.html:116:1 (AbstractPackageReporter.Rd:62): Warning: <h5> anchor "Usage" already defined
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AbstractPackageReporter.html:139:1 (AbstractPackageReporter.Rd:75): Warning: <h5> anchor "Usage" already defined
AbstractPackageReporter.html:145:1 (AbstractPackageReporter.Rd:79): Warning: <h5> anchor "Arguments" already defined
CreatePackageVignette.html:69:1 (CreatePackageVignette.Rd:20): Warning: missing </ul> before </div>
DependencyReporter.html:143:1 (DependencyReporter.Rd:114): Warning: <h5> anchor "Usage" already defined
DependencyReporter.html:149:1 (DependencyReporter.Rd:118): Warning: <h5> anchor "Arguments" already defined
FunctionReporter.html:172:1 (FunctionReporter.Rd:110): Warning: <h5> anchor "Usage" already defined
PackageReport.html:219:1 (PackageReport.Rd:125): Warning: missing </ul> before </div>
PackageReport.html:144:1 (PackageReport.Rd:84): Warning: <h5> anchor "Usage" already defined
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PackageReport.html:202:1 (PackageReport.Rd:118): Warning: <h5> anchor "Arguments" already defined
SummaryReporter.html:103:1 (SummaryReporter.Rd:60): Warning: <h5> anchor "Usage" already defined