Updated sample problem docs

Files changed: M sample-problems/Algebra/AlgebraicFractionAnswer.html M sample-problems/Algebra/AnswerBlankInExponent.html M sample-problems/Algebra/AnswerUpToMultiplication.html M sample-problems/Algebra/DomainRange.html M sample-problems/Algebra/DynamicGraph.html M sample-problems/Algebra/EquationDefiningFunction.html M sample-problems/Algebra/EquationImplicitFunction.html M sample-problems/Algebra/ExpandedPolynomial.html M sample-problems/Algebra/FactoredPolynomial.html M sample-problems/Algebra/FractionAnswer.html M sample-problems/Algebra/FunctionDecomposition.html M sample-problems/Algebra/GraphTool.html M sample-problems/Algebra/GraphToolCircle.html M sample-problems/Algebra/GraphToolCubic.html M sample-problems/Algebra/GraphToolLine.html M sample-problems/Algebra/GraphToolNumberLine.html M sample-problems/Algebra/GraphToolPoints.html M sample-problems/Algebra/InequalityAnswer.html M sample-problems/Algebra/LinearInequality.html M sample-problems/Algebra/Logarithms.html M sample-problems/Algebra/PointAnswers.html M sample-problems/Algebra/ScalingTranslating.html M sample-problems/Algebra/SolutionForEquation.html M sample-problems/Algebra/StringOrOtherType.html M sample-problems/Algebra/TableOfValues.html M sample-problems/Algebra/UnorderedAnswers.html M sample-problems/DiffCalc/AnswerWithUnits.html M sample-problems/DiffCalc/DifferenceQuotient.html M sample-problems/DiffCalc/DifferentiateFunction.html M sample-problems/DiffCalc/LinearApprox.html M sample-problems/DiffCalcMV/ContourPlot.html M sample-problems/DiffCalcMV/ImplicitPlane.html M sample-problems/DiffEq/GeneralSolutionODE.html M sample-problems/DiffEq/HeavisideStep.html M sample-problems/DiffEq/PrimesInFormulas.html M sample-problems/IntegralCalc/DoubleIntegral.html M sample-problems/IntegralCalc/GraphShading.html M sample-problems/IntegralCalc/IndefiniteIntegrals.html M sample-problems/IntegralCalc/LimitsOfIntegration.html M sample-problems/IntegralCalc/RiemannSums.html M sample-problems/IntegralCalc/Volume1.html M sample-problems/IntegralCalc/Volume2.html M sample-problems/IntegralCalc/Volume3.html M sample-problems/LinearAlgebra/MatrixAnswer1.html M sample-problems/LinearAlgebra/MatrixAnswer2.html M sample-problems/LinearAlgebra/MatrixCustomAnswerChecker.html M sample-problems/LinearAlgebra/MatrixOperations.html M sample-problems/LinearAlgebra/RowOperations.html M sample-problems/Misc/ChemicalReaction.html M sample-problems/Misc/DraggableProof.html M sample-problems/Misc/EssayAnswer.html M sample-problems/Misc/FormulaAnswer.html M sample-problems/Misc/FormulaDomain.html M sample-problems/Misc/IframeEmbedding.html M sample-problems/Misc/ManyMultipleChoice.html M sample-problems/Misc/Matching.html M sample-problems/Misc/MatchingAlt.html M sample-problems/Misc/MultipleChoiceCheckbox.html M sample-problems/Misc/MultipleChoicePopup.html M sample-problems/Misc/MultipleChoiceRadio.html M sample-problems/Misc/RandomPerson.html M sample-problems/Misc/Scaffolding.html M sample-problems/Parametric/ParametricPlot.html M sample-problems/Parametric/PolarGraph.html M sample-problems/Parametric/SpaceCurveGraph.html M sample-problems/Parametric/Spacecurve.html M sample-problems/Parametric/SurfaceGraph.html M sample-problems/Parametric/VectorParametricDerivative.html M sample-problems/Parametric/VectorParametricFunction.html M sample-problems/Parametric/VectorParametricLines.html M sample-problems/Sequences/AnswerOrderedList.html M sample-problems/Sequences/ExplicitSequence.html M sample-problems/Sequences/RecursiveSequence.html M sample-problems/Sequences/SeriesTest.html M sample-problems/Trig/DisableFunctions.html M sample-problems/Trig/PeriodicAnswers.html M sample-problems/Trig/ProvingTrigIdentities.html M sample-problems/Trig/TrigDegrees.html M sample-problems/Trig/TrigIdentities.html M sample-problems/VectorCalc/CylindricalGraph3D.html M sample-problems/VectorCalc/DirectionField.html M sample-problems/VectorCalc/RectangularGraph3D.html M sample-problems/VectorCalc/VectorFieldGraph2D.html M sample-problems/VectorCalc/VectorFieldGraph3D/VectorFieldGraph3D1.html M sample-problems/VectorCalc/VectorOperations.html M sample-problems/VectorCalc/Vectors.html M sample-problems/categories.html M sample-problems/problem-techniques/AdaptiveParameters.html M sample-problems/problem-techniques/AddingFunctions.html M sample-problems/problem-techniques/AnswerHints.html M sample-problems/problem-techniques/AnswerInExponent.html M sample-problems/problem-techniques/AnswerIsSolutionToEquation.html M sample-problems/problem-techniques/AnyAnswerMarkedCorrect.html M sample-problems/problem-techniques/CalculatingWithPoints.html M sample-problems/problem-techniques/ComposingFunctions.html M sample-problems/problem-techniques/ConstantsInProblems.html M sample-problems/problem-techniques/CustomAnswerCheckers.html M sample-problems/problem-techniques/CustomAnswerListChecker.html M sample-problems/problem-techniques/DataTables.html M sample-problems/problem-techniques/DifferentiatingFormulas.html M sample-problems/problem-techniques/DigitsTolType.html M sample-problems/problem-techniques/DraggableSubsets.html M sample-problems/problem-techniques/EquationEvaluators.html M sample-problems/problem-techniques/EquationsDefiningFunctions.html M sample-problems/problem-techniques/ErrorMessageCustomization.html M sample-problems/problem-techniques/EvalVersusSubstitute.html M sample-problems/problem-techniques/FactoringAndExpanding.html M sample-problems/problem-techniques/FormattingDecimals.html M sample-problems/problem-techniques/FormulasToConstants.html M sample-problems/problem-techniques/GraphsInTables.html M sample-problems/problem-techniques/HtmlLinks.html M sample-problems/problem-techniques/InequalityEvaluators.html M sample-problems/problem-techniques/IntervalEvaluators.html M sample-problems/problem-techniques/Knowls.html M sample-problems/problem-techniques/LayoutTable.html M sample-problems/problem-techniques/NumericalTolerance.html M sample-problems/problem-techniques/OtherVariables.html M sample-problems/problem-techniques/StaticImages.html M sample-problems/problem-techniques/StringsInContext.html M sample-problems/problem-techniques/TikZImages.html M sample-problems/problem-techniques/WeightedGrader.html M sample-problems/snippets/CommentsForInstructors.html M sample-problems/subjects.html
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diff --git a/sample-problems/Algebra/AlgebraicFractionAnswer.html b/sample-problems/Algebra/AlgebraicFractionAnswer.html
@@ -24,7 +24,7 @@ <h1>Fraction Answer</h1>
 				<p>Algebraic fraction answer requiring simplification</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
+				<a href="https://openwebwork.github.io/pg-docs/sample-problems/../index.html">Return to the PG docs home</a>
 </div>
 		</div>
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diff --git a/sample-problems/Algebra/AnswerBlankInExponent.html b/sample-problems/Algebra/AnswerBlankInExponent.html
@@ -24,7 +24,7 @@ <h1>Answer Blank in the Exponent</h1>
 				<p>Answer blank in the exponent</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
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diff --git a/sample-problems/Algebra/AnswerUpToMultiplication.html b/sample-problems/Algebra/AnswerUpToMultiplication.html
@@ -24,7 +24,7 @@ <h1>Answer up to a Constant Multiple</h1>
 				<p>Answers up to multiplication</p>
 			</div>
 			<div class="col text-end">
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diff --git a/sample-problems/Algebra/DomainRange.html b/sample-problems/Algebra/DomainRange.html
@@ -24,7 +24,7 @@ <h1>Domain and Range of a Function</h1>
 				<p>Domain and range of a function using inequalities</p>
 			</div>
 			<div class="col text-end">
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diff --git a/sample-problems/Algebra/DynamicGraph.html b/sample-problems/Algebra/DynamicGraph.html
@@ -24,7 +24,7 @@ <h1>Dynamic Graph</h1>
 				<p>Dynamically generated graph of a function</p>
 			</div>
 			<div class="col text-end">
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diff --git a/sample-problems/Algebra/EquationDefiningFunction.html b/sample-problems/Algebra/EquationDefiningFunction.html
@@ -24,7 +24,7 @@ <h1>Answer is an Equation</h1>
 				<p>An equation defining a function</p>
 			</div>
 			<div class="col text-end">
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diff --git a/sample-problems/Algebra/EquationImplicitFunction.html b/sample-problems/Algebra/EquationImplicitFunction.html
@@ -24,7 +24,7 @@ <h1>Implicit Function as an Equation</h1>
 				<p>An equation implicitly defining a function</p>
 			</div>
 			<div class="col text-end">
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diff --git a/sample-problems/Algebra/ExpandedPolynomial.html b/sample-problems/Algebra/ExpandedPolynomial.html
@@ -25,7 +25,7 @@ <h1>Expanded Polynomial</h1>
 the equivalent in expanded/general form.</p>
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 			<div class="col text-end">
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diff --git a/sample-problems/Algebra/FactoredPolynomial.html b/sample-problems/Algebra/FactoredPolynomial.html
@@ -24,7 +24,7 @@ <h1>Factored Polynomial</h1>
 				<p>Factored polynomial</p>
 			</div>
 			<div class="col text-end">
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diff --git a/sample-problems/Algebra/FractionAnswer.html b/sample-problems/Algebra/FractionAnswer.html
@@ -24,7 +24,7 @@ <h1>Fraction Answer</h1>
 				<p>Fraction answer</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
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diff --git a/sample-problems/Algebra/FunctionDecomposition.html b/sample-problems/Algebra/FunctionDecomposition.html
@@ -24,7 +24,7 @@ <h1>Function Decomposition</h1>
 				<p>Decompose a function into two functions</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
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diff --git a/sample-problems/Algebra/GraphTool.html b/sample-problems/Algebra/GraphTool.html
@@ -24,7 +24,7 @@ <h1>Interactive graphing tool problems</h1>
 				<p>Interactive graphing tool problems.</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
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diff --git a/sample-problems/Algebra/GraphToolCircle.html b/sample-problems/Algebra/GraphToolCircle.html
@@ -24,7 +24,7 @@ <h1>Graph Tool, plotting a circle</h1>
 				<p>Interactive graphing tool problem that asks the student to plot a circle.</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
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diff --git a/sample-problems/Algebra/GraphToolCubic.html b/sample-problems/Algebra/GraphToolCubic.html
@@ -24,7 +24,7 @@ <h1>Graph Tool, plotting a cubic</h1>
 				<p>Interactive graphing tool problem that asks the student to plot a circle.</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
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@@ -37,8 +37,8 @@ <h2>Complete Code</h2>
 				<div class="col">
 					<h2>POD for Macro Files</h2>
 					<ul>
-								<li><a href="https://openwebwork.github.io/pg-docs/pod/pg/macros/contexts/contextFraction.html">contextFraction.pl</a></li>
 								<li><a href="https://openwebwork.github.io/pg-docs/pod/pg/macros/graph/parserGraphTool.html">parserGraphTool.pl</a></li>
+								<li><a href="https://openwebwork.github.io/pg-docs/pod/pg/macros/contexts/contextFraction.html">contextFraction.pl</a></li>
 					</ul>
 				</div>
 		</div>

diff --git a/sample-problems/Algebra/GraphToolLine.html b/sample-problems/Algebra/GraphToolLine.html
@@ -24,7 +24,7 @@ <h1>Graph Tool, plotting a line</h1>
 				<p>Interactive graphing tool problem that asks the student to plot a circle.</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
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 </div>
 		</div>
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diff --git a/sample-problems/Algebra/GraphToolNumberLine.html b/sample-problems/Algebra/GraphToolNumberLine.html
@@ -24,7 +24,7 @@ <h1>Graph Tool, number line</h1>
 				<p>Interactive graphing tool problem that asks the student to plot a circle.</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
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diff --git a/sample-problems/Algebra/GraphToolPoints.html b/sample-problems/Algebra/GraphToolPoints.html
@@ -24,7 +24,7 @@ <h1>Graph Tool, plotting points</h1>
 				<p>Interactive graphing tool problem that asks the student to plot a circle.</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
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diff --git a/sample-problems/Algebra/InequalityAnswer.html b/sample-problems/Algebra/InequalityAnswer.html
@@ -24,7 +24,7 @@ <h1>Answer as an Inequality</h1>
 				<p>Answer is an inequality</p>
 			</div>
 			<div class="col text-end">
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diff --git a/sample-problems/Algebra/LinearInequality.html b/sample-problems/Algebra/LinearInequality.html
@@ -24,7 +24,7 @@ <h1>Linear Inequality</h1>
 				<p>Enter a linear inequality based on a description</p>
 			</div>
 			<div class="col text-end">
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diff --git a/sample-problems/Algebra/Logarithms.html b/sample-problems/Algebra/Logarithms.html
@@ -24,7 +24,7 @@ <h1>Logarithms</h1>
 				<p>Laws of logarithms</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
+				<a href="https://openwebwork.github.io/pg-docs/sample-problems/../index.html">Return to the PG docs home</a>
 </div>
 		</div>
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diff --git a/sample-problems/Algebra/PointAnswers.html b/sample-problems/Algebra/PointAnswers.html
@@ -24,7 +24,7 @@ <h1>Answers are a list of points</h1>
 				<p>Answers are lists of points</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
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 		</div>
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diff --git a/sample-problems/Algebra/ScalingTranslating.html b/sample-problems/Algebra/ScalingTranslating.html
@@ -24,7 +24,7 @@ <h1>Scaling and Translating a Function</h1>
 				<p>Scaling and translating functions</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
+				<a href="https://openwebwork.github.io/pg-docs/sample-problems/../index.html">Return to the PG docs home</a>
 </div>
 		</div>
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diff --git a/sample-problems/Algebra/SolutionForEquation.html b/sample-problems/Algebra/SolutionForEquation.html
@@ -24,7 +24,7 @@ <h1>Solution for an Equation</h1>
 				<p>Answer is any solution to an equation</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
+				<a href="https://openwebwork.github.io/pg-docs/sample-problems/../index.html">Return to the PG docs home</a>
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 		</div>
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diff --git a/sample-problems/Algebra/StringOrOtherType.html b/sample-problems/Algebra/StringOrOtherType.html
@@ -24,7 +24,7 @@ <h1>String or Other Type</h1>
 				<p>Answer could be a string or another data type</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
+				<a href="https://openwebwork.github.io/pg-docs/sample-problems/../index.html">Return to the PG docs home</a>
 </div>
 		</div>
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diff --git a/sample-problems/Algebra/TableOfValues.html b/sample-problems/Algebra/TableOfValues.html
@@ -24,7 +24,7 @@ <h1>Table of Values</h1>
 				<p>Function table of values</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
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 </div>
 		</div>
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diff --git a/sample-problems/Algebra/UnorderedAnswers.html b/sample-problems/Algebra/UnorderedAnswers.html
@@ -24,7 +24,7 @@ <h1>Unordered Answers</h1>
 				<p>Answers can be entered in any order into answer blanks</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
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 		</div>
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diff --git a/sample-problems/DiffCalc/AnswerWithUnits.html b/sample-problems/DiffCalc/AnswerWithUnits.html
@@ -24,7 +24,7 @@ <h1>Answer with Units</h1>
 				<p>Answer is a number or formula with units</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
+				<a href="https://openwebwork.github.io/pg-docs/sample-problems/../index.html">Return to the PG docs home</a>
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diff --git a/sample-problems/DiffCalc/DifferenceQuotient.html b/sample-problems/DiffCalc/DifferenceQuotient.html
@@ -24,7 +24,7 @@ <h1>Difference Quotient</h1>
 				<p>Difference quotients</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
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diff --git a/sample-problems/DiffCalc/DifferentiateFunction.html b/sample-problems/DiffCalc/DifferentiateFunction.html
@@ -24,7 +24,7 @@ <h1>Differentiate a Function</h1>
 				<p>Difference quotients</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
+				<a href="https://openwebwork.github.io/pg-docs/sample-problems/../index.html">Return to the PG docs home</a>
 </div>
 		</div>
 		<div class="row">

diff --git a/sample-problems/DiffCalc/LinearApprox.html b/sample-problems/DiffCalc/LinearApprox.html
@@ -24,7 +24,7 @@ <h1>Linear Approximation</h1>
 				<p>Linear approximation</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
+				<a href="https://openwebwork.github.io/pg-docs/sample-problems/../index.html">Return to the PG docs home</a>
 </div>
 		</div>
 		<div class="row">

diff --git a/sample-problems/DiffCalcMV/ContourPlot.html b/sample-problems/DiffCalcMV/ContourPlot.html
@@ -24,7 +24,7 @@ <h1>Contour Plot</h1>
 				<p>Creating a contour plot</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
+				<a href="https://openwebwork.github.io/pg-docs/sample-problems/../index.html">Return to the PG docs home</a>
 </div>
 		</div>
 		<div class="row">

diff --git a/sample-problems/DiffCalcMV/ImplicitPlane.html b/sample-problems/DiffCalcMV/ImplicitPlane.html
@@ -24,7 +24,7 @@ <h1>Implicit Plane</h1>
 				<p>Multivariable differential calculus: answer is an equation for a plane</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
+				<a href="https://openwebwork.github.io/pg-docs/sample-problems/../index.html">Return to the PG docs home</a>
 </div>
 		</div>
 		<div class="row">
@@ -37,8 +37,8 @@ <h2>Complete Code</h2>
 				<div class="col">
 					<h2>POD for Macro Files</h2>
 					<ul>
-								<li><a href="https://openwebwork.github.io/pg-docs/pod/pg/macros/parsers/parserImplicitPlane.html">parserImplicitPlane.pl</a></li>
 								<li><a href="https://openwebwork.github.io/pg-docs/pod/pg/macros/parsers/parserVectorUtils.html">parserVectorUtils.pl</a></li>
+								<li><a href="https://openwebwork.github.io/pg-docs/pod/pg/macros/parsers/parserImplicitPlane.html">parserImplicitPlane.pl</a></li>
 					</ul>
 				</div>
 		</div>

diff --git a/sample-problems/DiffEq/GeneralSolutionODE.html b/sample-problems/DiffEq/GeneralSolutionODE.html
@@ -24,7 +24,7 @@ <h1>General Solution to a Differential Equation</h1>
 				<p>Custom answer checkers for ODEs.</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
+				<a href="https://openwebwork.github.io/pg-docs/sample-problems/../index.html">Return to the PG docs home</a>
 </div>
 		</div>
 		<div class="row">

diff --git a/sample-problems/DiffEq/HeavisideStep.html b/sample-problems/DiffEq/HeavisideStep.html
@@ -24,7 +24,7 @@ <h1>Heaviside or Step Function</h1>
 				<p>Adding the Heaviside function to the context.</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
+				<a href="https://openwebwork.github.io/pg-docs/sample-problems/../index.html">Return to the PG docs home</a>
 </div>
 		</div>
 		<div class="row">

diff --git a/sample-problems/DiffEq/PrimesInFormulas.html b/sample-problems/DiffEq/PrimesInFormulas.html
@@ -24,7 +24,7 @@ <h1>Primes in Formulas</h1>
 				<p>Allowing primes in student answers.</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
+				<a href="https://openwebwork.github.io/pg-docs/sample-problems/../index.html">Return to the PG docs home</a>
 </div>
 		</div>
 		<div class="row">

diff --git a/sample-problems/IntegralCalc/DoubleIntegral.html b/sample-problems/IntegralCalc/DoubleIntegral.html
@@ -24,7 +24,7 @@ <h1>Double Integral</h1>
 				<p>Setting up double integrals</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
+				<a href="https://openwebwork.github.io/pg-docs/sample-problems/../index.html">Return to the PG docs home</a>
 </div>
 		</div>
 		<div class="row">

diff --git a/sample-problems/IntegralCalc/GraphShading.html b/sample-problems/IntegralCalc/GraphShading.html
@@ -24,7 +24,7 @@ <h1>Graph Shading</h1>
 				<p>Dynamically generated graph of a function with shading</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
+				<a href="https://openwebwork.github.io/pg-docs/sample-problems/../index.html">Return to the PG docs home</a>
 </div>
 		</div>
 		<div class="row">

diff --git a/sample-problems/IntegralCalc/IndefiniteIntegrals.html b/sample-problems/IntegralCalc/IndefiniteIntegrals.html
@@ -24,7 +24,7 @@ <h1>Indefinite Integrals</h1>
 				<p>Indefinite integrals</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
+				<a href="https://openwebwork.github.io/pg-docs/sample-problems/../index.html">Return to the PG docs home</a>
 </div>
 		</div>
 		<div class="row">

diff --git a/sample-problems/IntegralCalc/LimitsOfIntegration.html b/sample-problems/IntegralCalc/LimitsOfIntegration.html
@@ -24,7 +24,7 @@ <h1>Answer Blanks in Limits of Integration</h1>
 				<p>Answer blanks in the limits of integration</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
+				<a href="https://openwebwork.github.io/pg-docs/sample-problems/../index.html">Return to the PG docs home</a>
 </div>
 		</div>
 		<div class="row">

diff --git a/sample-problems/IntegralCalc/RiemannSums.html b/sample-problems/IntegralCalc/RiemannSums.html
@@ -24,7 +24,7 @@ <h1>Riemann Sums</h1>
 				<p>Integral calculus: Interpreting Riemann sums in terms of area</p>
 			</div>
 			<div class="col text-end">
-				<a href="https://openwebwork.github.io/pg-docs/sample-problems/index.html">Return to the PG docs home</a>
+				<a href="https://openwebwork.github.io/pg-docs/sample-problems/../index.html">Return to the PG docs home</a>
 </div>
 		</div>
 		<div class="row">
@@ -38,8 +38,8 @@ <h2>Complete Code</h2>
 					<h2>POD for Macro Files</h2>
 					<ul>
 								<li><a href="https://openwebwork.github.io/pg-docs/pod/pg/macros/graph/PGtikz.html">PGtikz.pl</a></li>
-								<li><a href="https://openwebwork.github.io/pg-docs/pod/pg/macros/parsers/parserPopUp.html">parserPopUp.pl</a></li>
 								<li><a href="https://openwebwork.github.io/pg-docs/pod/pg/macros/core/weightedGrader.html">weightedGrader.pl</a></li>
+								<li><a href="https://openwebwork.github.io/pg-docs/pod/pg/macros/parsers/parserPopUp.html">parserPopUp.pl</a></li>
 					</ul>
 				</div>
 		</div>