FIx pagebreaks (#1040)

siwelwerd · web-flow · commit fe390a39a584 · 2026-05-28T14:39:54.000-04:00
diff --git a/publication/publication-619.ptx b/publication/publication-619.ptx
@@ -67,6 +67,10 @@
       <geometry>papersize={7in,10in},margin=1in</geometry>
     </page>
     <asymptote links="no" />
+    <insertions pagebreaks="LE1-individual-practice LE2-activity-identify-row-ops LE2-activity-complete-RREF"/>
+    <insertions pagebreaks="EV1-activity-sketch3 EV3-activity-arbitrary EV3-p-two-chains EV6-observation-dimension"/>
+    <insertions pagebreaks="AT2-exercises AT3-activity-basis-kernel AT4-activity-not-surjective-dim"/>
+    <insertions pagebreaks="GT1-individual-practice GT4-individual-practice"/>
 
   </latex>
 
diff --git a/source/linear-algebra/source/01-LE/01.ptx b/source/linear-algebra/source/01-LE/01.ptx
@@ -993,7 +993,7 @@ Augmented matrix:
   </activity>
     </subsection>
 
-    <subsection>
+    <subsection xml:id="LE1-individual-practice">
         <title>Individual Practice</title>
         <activity>
             <introduction>
diff --git a/source/linear-algebra/source/01-LE/02.ptx b/source/linear-algebra/source/01-LE/02.ptx
@@ -540,7 +540,7 @@ most complicated to simplest (in your opinion).
 </activity>
 
 
-<activity estimated-time='5'>
+<activity estimated-time='5' xml:id="LE2-activity-identify-row-ops">
     <statement>
     <p>
 Here we've written the sorted linear systems from <xref ref="LE2-activity-sort"/>
@@ -815,7 +815,7 @@ This will keep you from undoing your progress towards an RREF matrix.
     </p>
 </observation>
 
-<activity estimated-time='10'>
+<activity estimated-time='10' xml:id="LE2-activity-complete-RREF">
     <statement>
         <p>
 Complete the following RREF calculation (multiple row operations may be needed
diff --git a/source/linear-algebra/source/02-EV/01.ptx b/source/linear-algebra/source/02-EV/01.ptx
@@ -116,7 +116,7 @@ we refer to this real number as a <term>scalar</term>.
     </statement>
 </definition>
 
-<activity estimated-time='10'>
+<activity estimated-time='10' xml:id="EV1-activity-sketch">
     <introduction>
         <p>
   Consider <m>\vspan\left\{\left[\begin{array}{c}1\\2\end{array}\right]\right\}</m>.
@@ -165,7 +165,7 @@ we refer to this real number as a <term>scalar</term>.
 
  
 
-<activity estimated-time='10'>
+<activity estimated-time='10' xml:id="EV1-activity-sketch2">
     <introduction>
         <p>
   Consider <m>\vspan\left\{\left[\begin{array}{c}1\\2\end{array}\right],
@@ -251,7 +251,7 @@ we refer to this real number as a <term>scalar</term>.
   </task>
 </activity>
 
-<activity estimated-time='5'>
+<activity estimated-time='5' xml:id="EV1-activity-sketch3">
     <statement>
         <p component="html">
     Sketch a representation of all the vectors belonging to
diff --git a/source/linear-algebra/source/02-EV/03.ptx b/source/linear-algebra/source/02-EV/03.ptx
@@ -132,7 +132,7 @@
         </statement>
     </definition>
     
-    <activity estimated-time='5'>
+    <activity estimated-time='5' xml:id="EV3-activity-arbitrary">
         <introduction>
             <p>
     Consider an arbitrary homogeneous vector equation <m>x_1 \vec{v}_1 + \cdots+x_n \vec{v}_n = \vec{0}</m>.
@@ -495,6 +495,8 @@ Proofs of an equality <m>\mathrm{LEFT}=\mathrm{RIGHT}</m> should generally be of
     <li>
         <p>
             Using two chains of equalities:
+        </p>
+        <p xml:id="EV3-p-two-chains">
             <md>
                 <mrow>
             \mathrm{LEFT} &amp;= \cdots &amp; \mathrm{RIGHT} &amp;=\cdots
diff --git a/source/linear-algebra/source/02-EV/06.ptx b/source/linear-algebra/source/02-EV/06.ptx
@@ -207,7 +207,7 @@ T=\left\{
 <sage language="octave" component="html">
 </sage>
 
-<observation>
+<observation xml:id="EV6-observation-dimension">
         <p>
   Even though we found different bases for them,
   <m>\vspan S</m> and <m>\vspan T</m> are exactly the same subspace of <m>\IR^4</m>,
diff --git a/source/linear-algebra/source/03-AT/02.ptx b/source/linear-algebra/source/03-AT/02.ptx
@@ -704,7 +704,7 @@ T\left(\left[\begin{array}{c} -5 \\ 0 \\ -3 \\ -2 \end{array}\right]\right)
 
 
 
-    <subsection>
+    <subsection xml:id="AT2-exercises">
       <title>Exercises</title>
       <p component="preview">
           Exercises available at <url href="https://tbil.org/preview/linear-algebra/exercises/#/bank/AT2/"/>
diff --git a/source/linear-algebra/source/03-AT/03.ptx b/source/linear-algebra/source/03-AT/03.ptx
@@ -235,7 +235,7 @@ Let <m>T: \IR^3 \rightarrow \IR^2</m> be the linear transformation with the foll
   </statement>
 </observation>
 
-<activity estimated-time='10'>
+<activity estimated-time='10' xml:id="AT3-activity-basis-kernel">
     <statement>
         <p>
 Let <m>T: \IR^4 \rightarrow \IR^3</m> be the linear transformation whose standard matrix is: 
diff --git a/source/linear-algebra/source/03-AT/04.ptx b/source/linear-algebra/source/03-AT/04.ptx
@@ -686,7 +686,7 @@ means <m>T</m> is (A) <em>injective</em>, (B) <em>surjective</em>, or
         </p>
 </observation>
 
-<activity estimated-time='3'>
+<activity estimated-time='3' xml:id="AT4-activity-not-surjective-dim">
     <statement>
         <p>
   What can you conclude about the linear map 
diff --git a/source/linear-algebra/source/05-GT/01.ptx b/source/linear-algebra/source/05-GT/01.ptx
@@ -67,7 +67,7 @@ standard matrix <m>A = \left[\begin{array}{cc} 2 &amp; 0 \\ 0 &amp; 3 \end{array
 transforms the unit square.
         </p>
 <figure xml:id="GT1-unit-square-transform">
-	<image width="75%" xml:id="GT1-image-unit-square-transform">
+	<image width="65%" xml:id="GT1-image-unit-square-transform">
 		<latex-image>
 \begin{tikzpicture}
 \fill[red!50!white] (0,0) rectangle (1,1);
@@ -1073,7 +1073,7 @@ Or we may use a formula:
 </observation>
 </subsection>
     
-<subsection>
+<subsection xml:id="GT1-individual-practice">
   <title>Individual Practice</title>
   <activity>
     <introduction>
diff --git a/source/linear-algebra/source/05-GT/04.ptx b/source/linear-algebra/source/05-GT/04.ptx
@@ -120,7 +120,7 @@ associated with the eigenvalue <m>2</m>.
 </sage>
 </subsection>
 
-<subsection>
+<subsection xml:id="GT4-individual-practice">
     <title>Individual Practice</title>
     <activity>
         <introduction>
diff --git a/source/linear-algebra/source/applications/pagerank.ptx b/source/linear-algebra/source/applications/pagerank.ptx
@@ -168,7 +168,7 @@ This corresponds to the <term>page rank system</term>:
 <observation>
     <statement>
         <figure>
-        <image width="50%"  xml:id="pagerank-3p-network2">
+        <image width="40%"  xml:id="pagerank-3p-network2">
             <latex-image>
 \begin{tikzpicture}
 \begin{scope}[every node/.style={circle,thick,draw}]
@@ -260,7 +260,7 @@ That is, find the eigenspace associated with <m>\lambda=1</m> for the matrix
             </p>
             <sidebyside widths="45% 45%">
         <figure>
-        <image width="75%" xml:id="pagerank-3p-network3">
+        <image width="60%" xml:id="pagerank-3p-network3">
             <latex-image>
 \begin{tikzpicture}
 \begin{scope}[every node/.style={circle,thick,draw}]
diff --git a/xsl/print.xsl b/xsl/print.xsl
@@ -203,6 +203,10 @@
             <xsl:text>\label{#4}</xsl:text>
         </xsl:if>
         <xsl:text>\hypertarget{#4}{}}, after={\notblank{#3}{\par\rule{\workspacestrutwidth}{#3}\par\vfill}{\par}}}&#xa;</xsl:text>
+        <!--Start sections (except for first section of each chapter) on new page-->
+        <!--<xsl:text>\setlength\extrarowheight{5pt} &#xa; \newcommand{\sectionbreak}{\ifnum\value{section}>1\clearpage\thispagestyle{plain}\fi\phantomsection}&#xa;</xsl:text>-->
+        <!--Start sections on new page-->
+        <xsl:text>\setlength\extrarowheight{5pt} &#xa; \newcommand{\sectionbreak}{\clearpage\thispagestyle{plain}}&#xa;</xsl:text>
     </xsl:param>
 
 </xsl:stylesheet>
