Update example questions.

Author: sangwinc

samplequestions/stacklibrary/Features/input-type-sample-questions/Free-text_final_answer.xml

@@ -55,7 +55,7 @@ ta2:4*sqrt(2*x^2+1)+1;
       <text>{@ta1@}</text>
     </questionnote>
     <questiondescription format="html">
-      <text>[[todo]]Link ans2 automatically from the free-text input[[/todo]]</text>
+      <text></text>
     </questiondescription>
     <questionsimplify>1</questionsimplify>
     <assumepositive>0</assumepositive>
@@ -95,7 +95,7 @@ ta2:4*sqrt(2*x^2+1)+1;
       <checkanswertype>0</checkanswertype>
       <mustverify>0</mustverify>
       <showvalidation>0</showvalidation>
-      <options></options>
+      <options>monospace:true</options>
     </input>
     <input>
       <name>ans2</name>

samplequestions/stacklibrary/Features/input-type-sample-questions/Free-text_input.xml

@@ -85,7 +85,7 @@ The teacher's answer contains newline white space, ASCIImath, LaTeX, unicode etc
       <checkanswertype>0</checkanswertype>
       <mustverify>1</mustverify>
       <showvalidation>1</showvalidation>
-      <options>manualgraded:true</options>
+      <options>monospace:true</options>
     </input>
     <prt>
       <name>prt1</name>