Added more indices to important concepts and terminology

Author: FlashEb

source/ch2_firstjavaprogram.ptx

@@ -8,8 +8,8 @@
     <title>Classes and Objects</title>
 
     <p>
-        <idx>Object-Oriented Programming (OOP)</idx>
-        Depending on how deep your knowledge of Python and programming in general is, you may or may not be familiar with classes and objects. These two important <term>Object-Oriented Programming (OOP)</term> concepts will briefly be discussed. If you already have a good understanding of classes and objects in Python, this section may be skipped.
+        <idx>object-oriented programming</idx> <idx>OOP</idx>
+        Depending on how deep your knowledge of Python and programming in general is, you may or may not be familiar with classes and objects. These two important <term>Object-Oriented Programming</term> (<term>OOP</term>) concepts will briefly be discussed. If you already have a good understanding of classes and objects in Python, this section may be skipped.
     </p>
 
     <p>

source/ch4_conditionals.ptx

@@ -389,8 +389,8 @@ The <c>switch</c> statement is not used very often, and we recommend you do not
     <section xml:id="boolean-operators">
         <title>Boolean Operators</title>
 
-        <p><idx>Boolean operators</idx>
-The conditionals used in the if statement can be Boolean variables, simple comparisons, and compound Boolean expressions.
+        <p><idx>boolean operators</idx> <idx>simple comparisons</idx> <idx>compound boolean expressions</idx>
+The conditionals used in the if statement can be <term>boolean variables</term>, <term>simple comparisons</term>, and <term>compound boolean expressions</term>.
         </p>
 
 <p><idx>ternary operator</idx>

source/ch5_loopsanditeration.ptx

@@ -173,7 +173,7 @@ public class StringIterationExample {
         <title>Indefinite Loops</title>
 
         <p><idx><c>while</c> loop</idx>
-            Both Python and Java support the <c>while</c> loop, which continues to execute as long as a condition is true.
+            Both Python and Java support the <idx><c>while</c></idx> loop, which continues to execute as long as a condition is true.
             Here is a simple example in Python that counts down from 5:
         </p>
         <program interactive="activecode" language="python">
@@ -321,7 +321,6 @@ public class DoWhileExample {
                 </choice>
             </choices>
             </exercise>
-
         </reading-questions>
     </section>
 </chapter>