Remove title_reference tags

Author: bnmnetp

pretext/ClassesBasics/UserDefinedClasses.ptx

@@ -66,7 +66,7 @@ print("Nothing seems to have happened with the points")
     </input>
   </program>
   <p>During the initialization of the objects, we created two
-            attributes called <title_reference>x</title_reference> and <title_reference>y</title_reference> for each, and gave them both the value 0.</p>
+            attributes called x and y for each, and gave them both the value 0.</p>
   <note>
     <p>The asignments are not to <c>x</c> and <c>y</c>, but to <c>self.x</c> and <c>self.y</c>.
                 The attributes <c>x</c> and <c>y</c> are <em>always</em> attached to a particular instance.

pretext/ClassesDiggingDeeper/Fractions.ptx

@@ -9,7 +9,7 @@
             on the top is called the numerator and the number on the bottom is called the denominator.  Sometimes people use a slash
             for the line and sometimes they use a straight line.  The fact is that it really does not matter so long as you know which
             is the numerator and which is the denominator.</p>
-  <p>To design our class, we simply need to use the analysis above to realize that the <title_reference>state</title_reference> of a fraction object can be
+  <p>To design our class, we simply need to use the analysis above to realize that the state of a fraction object can be
             completely described by representing two integers.  We can begin by implementing the <c>Fraction</c> class and the <c>__init__</c>
             method which will allow the user to provide a numerator and a denominator for the fraction being created.</p>
   <program xml:id="fractions_init" interactive="activecode" language="python">

pretext/Dictionaries/Exercises.ptx

@@ -138,7 +138,7 @@ add_fruit(new_inventory, 'strawberries', 25)
     <statement>
       <p>Write a program called <c>alice_words.py</c> that creates a text file named
                         <c>alice_words.txt</c> containing an alphabetical listing of all the words, and the
-                        number of times each occurs, in the text version of <title_reference>Alice's Adventures in Wonderland</title_reference>.
+                        number of times each occurs, in the text version of Alice's Adventures in Wonderland.
                         (You can obtain a free plain text version of the book, along with many others, from
                         <url href="http://www.gutenberg.org" visual="http://www.gutenberg.org">http://www.gutenberg.org</url>.) The first 10 lines of your output file should look
                         something like this</p>
@@ -263,7 +263,7 @@ for word in keys:
     out.write('\n')
 
 print("The word 'alice' appears " + str(count['alice']) + " times in the book.")
-                
+
                     <program language="python"><input>
 f = open('alice.txt', 'r')
 

pretext/Files/AlternativeFileReadingMethods.ptx

@@ -145,6 +145,6 @@ infile.close()
             blank line in the file actually has a single character, the <c>\n</c> character (newline).
             So, the only way that a line of data from the
             file can be empty is if you are reading at the end of the file, and the <c>while</c> condition becomes <c>False</c>.</p>
-  <p>Finally, notice that the last line of the body of the <c>while</c> loop performs another <c>readline</c>.  This statement will reassign the variable <c>line</c> to the next line of the file.  It represents the <title_reference>change of state</title_reference> that is necessary for the iteration to
+  <p>Finally, notice that the last line of the body of the <c>while</c> loop performs another <c>readline</c>.  This statement will reassign the variable <c>line</c> to the next line of the file.  It represents the change of state that is necessary for the iteration to
             function correctly.  Without it, there would be an infinite loop processing the same line of data over and over.</p>
 </section>

pretext/Files/WithStatements.ptx

@@ -22,5 +22,5 @@ with open('mydata.txt') as md:
 print(md)
         </input>
   </program>
-  <p>The first line of the <title_reference>with</title_reference> statement opens the file and assigns it to <title_reference>md</title_reference>  then we can iterate over the file in any of the usual ways. and when we are done we simply stop indenting and let Python take care of closing the file and cleaning up.</p>
+  <p>The first line of the with statement opens the file and assigns it to md  then we can iterate over the file in any of the usual ways. and when we are done we simply stop indenting and let Python take care of closing the file and cleaning up.</p>
 </section>

pretext/FrontBackMatter/contrib.ptx

@@ -116,7 +116,7 @@
           <p>Benoit Girard sent in a correction to a humorous mistake in Section 5.6.</p>
         </li>
         <li>
-          <p>Courtney Gleason and Katherine Smith wrote <title_reference>horsebet.py</title_reference>, which was used as a
+          <p>Courtney Gleason and Katherine Smith wrote horsebet.py, which was used as a
                         case study in an earlier version of the book. Their program can now be found
                         on the website.</p>
         </li>
@@ -129,7 +129,7 @@
                         corrections.</p>
         </li>
         <li>
-          <p>David Kershaw fixed the broken <title_reference>catTwice</title_reference> function in Section 3.10.</p>
+          <p>David Kershaw fixed the broken catTwice function in Section 3.10.</p>
         </li>
         <li>
           <p>Eddie Lam has sent in numerous corrections to Chapters 1, 2, and 3.  He also
@@ -152,7 +152,7 @@
         </li>
         <li>
           <p>Simon Dicon Montford reported a missing function definition and several typos
-                        in Chapter 3. He also found errors in the <title_reference>increment</title_reference> function in Chapter 13.</p>
+                        in Chapter 3. He also found errors in the increment function in Chapter 13.</p>
         </li>
         <li>
           <p>John Ouzts corrected the definition of return value in Chapter 3.</p>

pretext/FrontBackMatter/preface2e.ptx

@@ -117,8 +117,8 @@
       students seeing this example are looking at their first program. Some of them
       are undoubtedly a little nervous, having heard that computer programming is
       difficult to learn. The Java version has always forced me to choose between two
-      unsatisfying options: either to explain the <title_reference>class Hello</title_reference>,
-      <title_reference>public static void main</title_reference>, <title_reference>String[] args</title_reference>, <title_reference>{</title_reference>, and <title_reference>}</title_reference>, statements and risk
+      unsatisfying options: either to explain the class Hello,
+      public static void main, String[] args, {, and }, statements and risk
       confusing or intimidating some of the students right at the start, or to tell
       them, Just don't worry about all of that stuff now; we will talk about it
       later, and risk the same thing. The educational objectives at this point in the

pretext/Functions/ATurtleBarChart.ptx

@@ -7,7 +7,7 @@
     <ul>
       <li>
         <p>We can get a turtle to display text on the canvas at the turtle's current position.  The method is called <c>write</c>.
-                    For example,   <c>alex.write("Hello")</c> would write the string <title_reference>hello</title_reference> at the current position.</p>
+                    For example,   <c>alex.write("Hello")</c> would write the string hello at the current position.</p>
       </li>
       <li>
         <p>One can fill a shape (circle, semicircle, triangle, etc.) with a fill color.  It is a two-step process.

pretext/Functions/Exercises.ptx

@@ -185,7 +185,7 @@ drawSpiral(guido, 89)
   <exercise label="ex_5_7">
     <statement>
       <p>Write a fruitful function <c>sumTo(n)</c> that returns the sum of all integer numbers up to and
-                        including <title_reference>n</title_reference>.   So <c>sumTo(10)</c> would be <c>1+2+3...+10</c> which would return the value 55.  Use the
+                        including n.   So <c>sumTo(10)</c> would be <c>1+2+3...+10</c> which would return the value 55.  Use the
                         equation  (n * (n + 1)) / 2.</p>
     </statement>
     <program interactive="activecode" language="python" xml:id="ex_5_7_editor">
@@ -228,7 +228,7 @@ print("The sum from 1 to 5 is",t)
   </exercise>
   <exercise label="ex_5_8">
     <statement>
-      <p>Write a function <title_reference>areaOfCircle(r)</title_reference> which returns the area of a circle of radius <title_reference>r</title_reference>.  Make sure you use the math module in your solution.</p>
+      <p>Write a function areaOfCircle(r) which returns the area of a circle of radius r.  Make sure you use the math module in your solution.</p>
     </statement>
     <program xml:id="ex_5_8_editor" interactive="activecode" language="python">
       <input>
@@ -331,7 +331,7 @@ drawStar(stroustrup, 7)
   <exercise label="ex_5_13">
     <statement>
       <p>Rewrite the function <c>sumTo(n)</c> that returns the sum of all integer numbers up to and
-                        including <title_reference>n</title_reference>.   This time use the accumulator pattern.</p>
+                        including n.   This time use the accumulator pattern.</p>
     </statement>
     <program interactive="activecode" language="python" xml:id="ex_5_13_editor">
       <input>
@@ -435,7 +435,7 @@ print(pi_approx)
   </exercise>
   <exercise label="ex_5_16">
     <statement>
-      <p>Write a function called <title_reference>myPi</title_reference> that will return an approximation of PI (3.14159&#x2026;).  Use the <url href="http://en.wikipedia.org/wiki/Madhava_of_Sangamagrama" visual="http://en.wikipedia.org/wiki/Madhava_of_Sangamagrama">Madhava</url>
+      <p>Write a function called myPi that will return an approximation of PI (3.14159&#x2026;).  Use the <url href="http://en.wikipedia.org/wiki/Madhava_of_Sangamagrama" visual="http://en.wikipedia.org/wiki/Madhava_of_Sangamagrama">Madhava</url>
                          approximation.</p>
     </statement>
     <program xml:id="ex_5_16_editor" interactive="activecode" language="python">
@@ -451,8 +451,8 @@ def myPi(iters):
   </exercise>
   <exercise label="ex_5_17">
     <statement>
-      <p>Write a function called <title_reference>fancySquare</title_reference> that will draw a square with fancy corners (sprites on the corners).  You should
-                        implement and use the <title_reference>drawSprite</title_reference> function from above.  For an even more interesting look, how about adding small
+      <p>Write a function called fancySquare that will draw a square with fancy corners (sprites on the corners).  You should
+                        implement and use the drawSprite function from above.  For an even more interesting look, how about adding small
                         triangles to the ends of the sprite legs.</p>
     </statement>
     <program interactive="activecode" language="python" xml:id="ex_5_17_editor">

pretext/Functions/Functionscancallotherfunctions.ptx

@@ -16,14 +16,14 @@
           def square(x):
               y = x * x
               return y
-          
+
           def sum_of_squares(x, y, z):
               a = square(x)
               b = square(y)
               c = square(z)
-          
+
               return a + b + c
-          
+
           a = -5
           b = 2
           c = 10
@@ -116,11 +116,11 @@ wn.exitonclick()
         <p>Functions can call other functions.</p>
       </li>
       <li>
-        <p>Rewriting <title_reference>drawSquare</title_reference> like this captures the relationship
+        <p>Rewriting drawSquare like this captures the relationship
                     that we've spotted.</p>
       </li>
       <li>
-        <p>A caller of this function might say <title_reference>drawSquare(tess, 50)</title_reference>.  The parameters
+        <p>A caller of this function might say drawSquare(tess, 50).  The parameters
                     of this function, <c>tx</c> and <c>sz</c>, are assigned the values of the tess object, and
                     the integer 50 respectively.</p>
       </li>
@@ -130,7 +130,7 @@ wn.exitonclick()
       <li>
         <p>When the call is made to <c>drawRectangle</c>, the values in variables <c>tx</c> and <c>sz</c>
                     are fetched first, then the call happens.  So as we enter the top of
-                    function <title_reference>drawRectangle</title_reference>, its variable <c>t</c> is assigned the tess object, and <c>w</c> and
+                    function drawRectangle, its variable <c>t</c> is assigned the tess object, and <c>w</c> and
           <c>h</c> in that function are both given the value 50.</p>
       </li>
     </ul>