docs: fix simple typo, identifer -> identifier

There is a small typo in 06_Variables/misc.c, 07_Comparisons/misc.c, 08_If_Statements/misc.c, 09_While_Loops/misc.c, 10_For_Loops/misc.c, 11_Functions_pt1/misc.c, 12_Types_pt1/misc.c, 13_Functions_pt2/misc.c, 14_ARM_Platform/misc.c, 15_Pointers_pt1/misc.c, 16_Global_Vars/Readme.md, 16_Global_Vars/misc.c, 17_Scaling_Offsets/misc.c, 18_Lvalues_Revisited/misc.c, 19_Arrays_pt1/misc.c, 20_Char_Str_Literals/misc.c, 21_More_Operators/misc.c, 23_Local_Variables/misc.c, 24_Function_Params/misc.c, 25_Function_Arguments/misc.c, 26_Prototypes/misc.c, 27_Testing_Errors/misc.c, 28_Runtime_Flags/misc.c, 29_Refactoring/misc.c, 30_Design_Composites/Readme.md, 30_Design_Composites/misc.c, 31_Struct_Declarations/misc.c, 32_Struct_Access_pt1/Readme.md, 32_Struct_Access_pt1/expr.c, 32_Struct_Access_pt1/misc.c, 33_Unions/expr.c, 33_Unions/misc.c, 34_Enums_and_Typedefs/expr.c, 34_Enums_and_Typedefs/misc.c, 35_Preprocessor/expr.c, 35_Preprocessor/misc.c, 36_Break_Continue/expr.c, 36_Break_Continue/misc.c, 37_Switch/expr.c, 37_Switch/misc.c, 38_Dangling_Else/expr.c, 38_Dangling_Else/misc.c, 39_Var_Initialisation_pt1/expr.c, 39_Var_Initialisation_pt1/misc.c, 40_Var_Initialisation_pt2/expr.c, 40_Var_Initialisation_pt2/misc.c, 41_Local_Var_Init/expr.c, 41_Local_Var_Init/misc.c, 42_Casting/expr.c, 42_Casting/misc.c, 43_More_Operators/expr.c, 43_More_Operators/misc.c, 44_Fold_Optimisation/expr.c, 44_Fold_Optimisation/misc.c, 45_Globals_Again/expr.c, 45_Globals_Again/misc.c, 46_Void_Functions/expr.c, 46_Void_Functions/misc.c, 47_Sizeof/expr.c, 47_Sizeof/misc.c, 48_Static/expr.c, 48_Static/misc.c, 49_Ternary/expr.c, 49_Ternary/misc.c, 50_Mop_up_pt1/expr.c, 50_Mop_up_pt1/misc.c, 51_Arrays_pt2/expr.c, 51_Arrays_pt2/misc.c, 52_Pointers_pt2/Readme.md, 52_Pointers_pt2/misc.c, 53_Mop_up_pt2/misc.c, 54_Reg_Spills/misc.c, 56_Local_Arrays/misc.c, 57_Mop_up_pt3/misc.c, 58_Ptr_Increments/misc.c, 59_WDIW_pt1/misc.c, 60_TripleTest/misc.c, 62_Cleanup/misc.c.

Should read `identifier` rather than `identifer`.

06_Variables/misc.c

@@ -21,7 +21,7 @@ void semi(void) {
   match(T_SEMI, ";");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

07_Comparisons/misc.c

@@ -21,7 +21,7 @@ void semi(void) {
   match(T_SEMI, ";");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

08_If_Statements/misc.c

@@ -41,7 +41,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

09_While_Loops/misc.c

@@ -41,7 +41,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

10_For_Loops/misc.c

@@ -41,7 +41,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

11_Functions_pt1/misc.c

@@ -41,7 +41,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

12_Types_pt1/misc.c

@@ -41,7 +41,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

13_Functions_pt2/misc.c

@@ -41,7 +41,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

14_ARM_Platform/misc.c

@@ -41,7 +41,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

15_Pointers_pt1/misc.c

@@ -41,7 +41,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

16_Global_Vars/Readme.md

@@ -118,7 +118,7 @@ call `global_declarations()`:
 ### `var_declaration()`
 
 The parsing of functions is much the same as before, except the code
-to scan the type and identifer are done elsewhere, and we receive the
+to scan the type and identifier are done elsewhere, and we receive the
 `type` as an argument.
 
 The parsing of variables also loses the type and identifier scanning code.

16_Global_Vars/misc.c

@@ -41,7 +41,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

17_Scaling_Offsets/misc.c

@@ -41,7 +41,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

18_Lvalues_Revisited/misc.c

@@ -41,7 +41,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

19_Arrays_pt1/misc.c

@@ -41,7 +41,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

20_Char_Str_Literals/misc.c

@@ -41,7 +41,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

21_More_Operators/misc.c

@@ -41,7 +41,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

23_Local_Variables/misc.c

@@ -41,7 +41,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

24_Function_Params/misc.c

@@ -41,7 +41,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

25_Function_Arguments/misc.c

@@ -41,7 +41,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

26_Prototypes/misc.c

@@ -41,7 +41,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

27_Testing_Errors/misc.c

@@ -41,7 +41,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

28_Runtime_Flags/misc.c

@@ -42,7 +42,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

29_Refactoring/misc.c

@@ -42,7 +42,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

30_Design_Composites/Readme.md

@@ -285,8 +285,8 @@ After modifying and compiling the above program a few times, the answers are:
 
  + We can't redeclare `enum fred`. This seems to be the only place where
    we need to remember the name of an enum list.
- + We can reuse the enum list identifer `fred` as a variable name.
- + We can't reuse the enum value identifer `mary` in another enum list,
+ + We can reuse the enum list identifier `fred` as a variable name.
+ + We can't reuse the enum value identifier `mary` in another enum list,
    nor as a variable name.
  + We can assign enum value anywhere: they seem to be treated simply as
    names for literal integer values.

30_Design_Composites/misc.c

@@ -42,7 +42,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

31_Struct_Declarations/misc.c

@@ -42,7 +42,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

32_Struct_Access_pt1/Readme.md

@@ -105,7 +105,7 @@ static struct ASTnode *member_access(int withpointer) {
   struct symtable *typeptr;
   struct symtable *m;
 
-  // Check that the identifer has been declared as a struct (or a union, later),
+  // Check that the identifier has been declared as a struct (or a union, later),
   // or a struct/union pointer
   if ((compvar = findsymbol(Text)) == NULL)
     fatals("Undeclared variable", Text);

32_Struct_Access_pt1/expr.c

@@ -121,7 +121,7 @@ static struct ASTnode *member_access(int withpointer) {
   struct symtable *typeptr;
   struct symtable *m;
 
-  // Check that the identifer has been declared as a struct (or a union, later),
+  // Check that the identifier has been declared as a struct (or a union, later),
   // or a struct/union pointer
   if ((compvar = findsymbol(Text)) == NULL)
     fatals("Undeclared variable", Text);

32_Struct_Access_pt1/misc.c

@@ -42,7 +42,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

33_Unions/expr.c

@@ -121,7 +121,7 @@ static struct ASTnode *member_access(int withpointer) {
   struct symtable *typeptr;
   struct symtable *m;
 
-  // Check that the identifer has been declared as a
+  // Check that the identifier has been declared as a
   // struct/union or a struct/union pointer
   if ((compvar = findsymbol(Text)) == NULL)
     fatals("Undeclared variable", Text);

33_Unions/misc.c

@@ -42,7 +42,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

34_Enums_and_Typedefs/expr.c

@@ -121,7 +121,7 @@ static struct ASTnode *member_access(int withpointer) {
   struct symtable *typeptr;
   struct symtable *m;
 
-  // Check that the identifer has been declared as a
+  // Check that the identifier has been declared as a
   // struct/union or a struct/union pointer
   if ((compvar = findsymbol(Text)) == NULL)
     fatals("Undeclared variable", Text);

34_Enums_and_Typedefs/misc.c

@@ -42,7 +42,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

35_Preprocessor/expr.c

@@ -121,7 +121,7 @@ static struct ASTnode *member_access(int withpointer) {
   struct symtable *typeptr;
   struct symtable *m;
 
-  // Check that the identifer has been declared as a
+  // Check that the identifier has been declared as a
   // struct/union or a struct/union pointer
   if ((compvar = findsymbol(Text)) == NULL)
     fatals("Undeclared variable", Text);

35_Preprocessor/misc.c

@@ -42,7 +42,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

36_Break_Continue/expr.c

@@ -121,7 +121,7 @@ static struct ASTnode *member_access(int withpointer) {
   struct symtable *typeptr;
   struct symtable *m;
 
-  // Check that the identifer has been declared as a
+  // Check that the identifier has been declared as a
   // struct/union or a struct/union pointer
   if ((compvar = findsymbol(Text)) == NULL)
     fatals("Undeclared variable", Text);

36_Break_Continue/misc.c

@@ -42,7 +42,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

37_Switch/expr.c

@@ -121,7 +121,7 @@ static struct ASTnode *member_access(int withpointer) {
   struct symtable *typeptr;
   struct symtable *m;
 
-  // Check that the identifer has been declared as a
+  // Check that the identifier has been declared as a
   // struct/union or a struct/union pointer
   if ((compvar = findsymbol(Text)) == NULL)
     fatals("Undeclared variable", Text);

37_Switch/misc.c

@@ -42,7 +42,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

38_Dangling_Else/expr.c

@@ -116,7 +116,7 @@ static struct ASTnode *member_access(int withpointer) {
   struct symtable *typeptr;
   struct symtable *m;
 
-  // Check that the identifer has been declared as a
+  // Check that the identifier has been declared as a
   // struct/union or a struct/union pointer
   if ((compvar = findsymbol(Text)) == NULL)
     fatals("Undeclared variable", Text);

38_Dangling_Else/misc.c

@@ -42,7 +42,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }

39_Var_Initialisation_pt1/expr.c

@@ -116,7 +116,7 @@ static struct ASTnode *member_access(int withpointer) {
   struct symtable *typeptr;
   struct symtable *m;
 
-  // Check that the identifer has been declared as a
+  // Check that the identifier has been declared as a
   // struct/union or a struct/union pointer
   if ((compvar = findsymbol(Text)) == NULL)
     fatals("Undeclared variable", Text);

39_Var_Initialisation_pt1/misc.c

@@ -42,7 +42,7 @@ void rparen(void) {
   match(T_RPAREN, ")");
 }
 
-// Match an identifer and fetch the next token
+// Match an identifier and fetch the next token
 void ident(void) {
   match(T_IDENT, "identifier");
 }