Found the following HTML validation problems:
convergence.rate.html:19:1 (convergence.rate.Rd:3): Warning: <h2> attribute "nr'" lacks value
convergence.rate.html:19:1 (convergence.rate.Rd:3): Warning: <h2> attribute "id" has invalid value "Numerical estimation of the convergence rate of Rosenthal"
convergence.rate.html:19:1 (convergence.rate.Rd:3): Warning: <h2> proprietary attribute "s"
convergence.rate.html:19:1 (convergence.rate.Rd:3): Warning: <h2> proprietary attribute "fail-safe"
convergence.rate.html:19:1 (convergence.rate.Rd:3): Warning: <h2> proprietary attribute "number"
den.plot.html:19:1 (den.plot.Rd:3): Warning: <h2> attribute "id" has invalid value "Plot of both densities of Nr"
halfnorm.fixednr.ci.html:19:1 (halfnorm.fixednr.ci.Rd:4): Warning: <h2> attribute "studies'" lacks value
halfnorm.fixednr.ci.html:19:1 (halfnorm.fixednr.ci.Rd:4): Warning: <h2> dropping value "NULL" for repeated attribute "number"
halfnorm.fixednr.ci.html:19:1 (halfnorm.fixednr.ci.Rd:4): Warning: <h2> dropping value "NULL" for repeated attribute "a"
halfnorm.fixednr.ci.html:19:1 (halfnorm.fixednr.ci.Rd:4): Warning: <h2> attribute "id" has invalid value "Confidence intervals for Rosenthal"
halfnorm.fixednr.ci.html:19:1 (halfnorm.fixednr.ci.Rd:4): Warning: <h2> proprietary attribute "s"
halfnorm.fixednr.ci.html:19:1 (halfnorm.fixednr.ci.Rd:4): Warning: <h2> proprietary attribute "fail-safe"
halfnorm.fixednr.ci.html:19:1 (halfnorm.fixednr.ci.Rd:4): Warning: <h2> proprietary attribute "assuming"
halfnorm.fixednr.ci.html:19:1 (halfnorm.fixednr.ci.Rd:4): Warning: <h2> proprietary attribute "half"
halfnorm.fixednr.ci.html:19:1 (halfnorm.fixednr.ci.Rd:4): Warning: <h2> proprietary attribute "normal"
halfnorm.fixednr.ci.html:19:1 (halfnorm.fixednr.ci.Rd:4): Warning: <h2> proprietary attribute "distribution"
halfnorm.fixednr.ci.html:19:1 (halfnorm.fixednr.ci.Rd:4): Warning: <h2> proprietary attribute "with"
halfnorm.fixednr.ci.html:19:1 (halfnorm.fixednr.ci.Rd:4): Warning: <h2> proprietary attribute "a"
halfnorm.fixednr.ci.html:19:1 (halfnorm.fixednr.ci.Rd:4): Warning: <h2> proprietary attribute "fixed"
halfnorm.fixednr.ci.html:19:1 (halfnorm.fixednr.ci.Rd:4): Warning: <h2> proprietary attribute "number"
halfnorm.fixednr.ci.html:19:1 (halfnorm.fixednr.ci.Rd:4): Warning: <h2> proprietary attribute "of"
halfnorm.randomnr.ci.html:19:1 (halfnorm.randomnr.ci.Rd:4): Warning: <h2> attribute "studies'" lacks value
halfnorm.randomnr.ci.html:19:1 (halfnorm.randomnr.ci.Rd:4): Warning: <h2> dropping value "NULL" for repeated attribute "number"
halfnorm.randomnr.ci.html:19:1 (halfnorm.randomnr.ci.Rd:4): Warning: <h2> dropping value "NULL" for repeated attribute "a"
halfnorm.randomnr.ci.html:19:1 (halfnorm.randomnr.ci.Rd:4): Warning: <h2> attribute "id" has invalid value "Confidence intervals for Rosenthal"
halfnorm.randomnr.ci.html:19:1 (halfnorm.randomnr.ci.Rd:4): Warning: <h2> proprietary attribute "s"
halfnorm.randomnr.ci.html:19:1 (halfnorm.randomnr.ci.Rd:4): Warning: <h2> proprietary attribute "fail-safe"
halfnorm.randomnr.ci.html:19:1 (halfnorm.randomnr.ci.Rd:4): Warning: <h2> proprietary attribute "assuming"
halfnorm.randomnr.ci.html:19:1 (halfnorm.randomnr.ci.Rd:4): Warning: <h2> proprietary attribute "half"
halfnorm.randomnr.ci.html:19:1 (halfnorm.randomnr.ci.Rd:4): Warning: <h2> proprietary attribute "normal"
halfnorm.randomnr.ci.html:19:1 (halfnorm.randomnr.ci.Rd:4): Warning: <h2> proprietary attribute "distribution"
halfnorm.randomnr.ci.html:19:1 (halfnorm.randomnr.ci.Rd:4): Warning: <h2> proprietary attribute "with"
halfnorm.randomnr.ci.html:19:1 (halfnorm.randomnr.ci.Rd:4): Warning: <h2> proprietary attribute "a"
halfnorm.randomnr.ci.html:19:1 (halfnorm.randomnr.ci.Rd:4): Warning: <h2> proprietary attribute "random"
halfnorm.randomnr.ci.html:19:1 (halfnorm.randomnr.ci.Rd:4): Warning: <h2> proprietary attribute "number"
halfnorm.randomnr.ci.html:19:1 (halfnorm.randomnr.ci.Rd:4): Warning: <h2> proprietary attribute "of"
rosenthal.html:19:1 (rosenthal.Rd:3): Warning: <h2> attribute "nr'" lacks value
rosenthal.html:19:1 (rosenthal.Rd:3): Warning: <h2> proprietary attribute "s"
rosenthal.html:19:1 (rosenthal.Rd:3): Warning: <h2> proprietary attribute "fail-safe"
rosenthal.html:19:1 (rosenthal.Rd:3): Warning: <h2> proprietary attribute "number"
truncnorm.nr.density.html:19:1 (truncnorm.nr.density.Rd:4): Warning: <h2> attribute "id" has invalid value "Density of Nr assuming a truncated normal or a folded normal"