some more edits on raivats PRs

xml/chapter3/section1/subsection1.xml

@@ -949,9 +949,8 @@ s("how many calls?"); // returns 1
  <EXAMPLE>make_accumulator_example1_solution</EXAMPLE>
  <EXAMPLE>make_accumulator_example2_solution</EXAMPLE>
  <JAVASCRIPT>
-
 function make_monitored(f) {
- let counter = 0;//initilized to 0
+ let counter = 0; //initialized to 0
  function mf(cmd) {
  if (cmd === "how many calls") {
  return counter;
@@ -1035,6 +1034,47 @@ const acc = make_account(100, "secret password");
  "Incorrect password"
  </SCHEMEOUTPUT>
  </SNIPPET>
+
+
+<SOLUTION>
+ <SNIPPET>
+ <JAVASCRIPT>
+function make_account(balance, p) {
+ function withdraw(amount) {
+ if (balance > amount) {
+ balance = balance - amount;
+ return balance;
+ } else {
+ return "Insufficient funds";
+ }
+ }
+ function deposit(amount) {
+ balance = balance + amount;
+ return balance;
+ }
+ function dispatch(m, q) {
+ if (p === q) {
+ if (m === "withdraw") {
+ return withdraw;
+ } else if (m === "deposit") {
+ return deposit;
+ } else {
+ return "Unknown request - make_account";
+ }
+	} else {
+ return q => "Incorrect Password";
+ }
+ }
+ return dispatch;
+}
+
+const a = make_account(100, "eva");
+(a("withdraw", "eva"))(50); //withdraws 50
+(a("withdraw", "ben"))(40); //incorrect password
+ </JAVASCRIPT>
+ </SNIPPET>
+ </SOLUTION>
+
  </EXERCISE>
 
 
@@ -1053,7 +1093,9 @@ const acc = make_account(100, "secret password");
  <SNIPPET>
  <JAVASCRIPT>
 function make_account(balance, p) {
- let invalid_attempts = 0;//initializes to 0
+
+ let invalid_attempts = 0; //initializes to 0
+
  function withdraw(amount) {
  if (balance > amount) {
  balance = balance - amount;
@@ -1062,43 +1104,47 @@ function make_account(balance, p) {
  return "Insufficient funds";
  }
  }
+
  function deposit(amount) {
  balance = balance + amount;
  return balance;
  }
-
-	function call_the_cops(q) {
- return q => "calling the cops as you have exceeded the max no of failed attempts";
+
+ function call_the_cops(q) {
+ return q => "calling the cops as you have exceeded "
+ + "the max no of failed attempts";
  }
- 
+
  function dispatch(m, q) {
- if (invalid_attempts <= 7) {
- if (p === q) {
- if (m === "withdraw") {
- return withdraw;
- } else if (m === "deposit") {
- return deposit;
- } else {
- return "Unknown request - - MAKE-ACCOUNT";
- }
+  if (invalid_attempts &lt;= 7) {
+  if (p === q) {
+  if (m === "withdraw") {
+  return withdraw;
+  } else if (m === "deposit") {
+  return deposit;
+  } else {
+  return "Unknown request - make_account
+  }
  } else {
  invalid_attempts = invalid_attempts + 1;
-  return q => "Incorrect Password";
+  return q =&gt; "Incorrect Password";
  }
- } else {
- return call_the_cops;
- }
+  } else {
+  return call_the_cops;
+  }
  }
- return dispatch;
+
+ return dispatch;
+
 }
 
-const a = make_account(100, "henz");
-(a("withdraw", "hen"))(50);
-(a("withdraw", "hen"))(50);
-(a("withdraw", "hen"))(50);
-(a("withdraw", "hen"))(50);
-(a("withdraw", "hen"))(50);
-(a("withdraw", "hen"))(50);
+const a = make_account(100, "eva");
+(a("withdraw", "eva"))(50);
+(a("withdraw", "eva"))(50);
+(a("withdraw", "eva"))(50);
+(a("withdraw", "eva"))(50);
+(a("withdraw", "eva"))(50);
+(a("withdraw", "eva"))(50);
  </JAVASCRIPT>
  </SNIPPET>
  </SOLUTION>