[diff] Replace "as the following example illustrates" with "For example" for consistency.

Author: Dawn Perchik

source/compatibility.tex

@@ -885,7 +885,8 @@
 \rationale Required for new features.
 \effect
 Valid \CppIII{} code may fail to compile or produce different results in
-this International Standard, as the following example illustrates:
+this International Standard.
+For example:
 
 \begin{codeblock}
 #define _x "there"
@@ -929,7 +930,8 @@
 \rationale Removing surprising interactions with templates and constant
 expressions.
 \effect Valid \CppIII{} code may fail to compile or produce different results in
-this International Standard, as the following example illustrates:
+this International Standard.
+For example:
 
 \begin{codeblock}
 void f(void *);  // \#1
@@ -954,7 +956,8 @@
 \rationale Required for new features.
 \effect
 Valid \CppIII{} code may fail to compile or produce different results in
-this International Standard, as the following example illustrates:
+this International Standard.
+For example:
 
 \begin{codeblock}
 bool b1 = new int && false;           // previously \tcode{false}, now ill-formed