diff --git a/lexicalStructure b/lexicalStructure
new file mode 100755
index 0000000..8817fe4
Binary files /dev/null and b/lexicalStructure differ
diff --git a/lexicalStructure.lex b/lexicalStructure.lex
index 1e2b52c..22632ba 100644
--- a/lexicalStructure.lex
+++ b/lexicalStructure.lex
@@ -1,10 +1,12 @@
 	/*                                    so we placed the citation here. */
 	/* definitions */
 %option noyywrap
+
 %{ 
 #include "typedefs.h" 
 %}
 
+
 DIGIT [0-9]
 CHAR \\n|\\t|\\'|[^'\n\t\\]
 	/* char can be a newline, tab, an escaped quote, or anything but a single quote, an actual line break, an actual tab, or a backslash by itself (to prevent confusion from escaped quote */
@@ -15,6 +17,7 @@ ENDCOM \*\)
 COMMENTCHAR [^\*]|\*[^\)]
 	/*Making the contents of a comment anything that is either not a * or not a * followed by ) to terminate comments at the first ENDCOM */
 %%
+
 	/* rules */
 {DIGIT}+ {printf( "C_INTEGER: %s (%d)\n", yytext, atoi( yytext ) );}
 
@@ -43,4 +46,5 @@ int main( int argc, char **argv )
 	else
 		yyin = stdin;
 	yylex();
+
 }
diff --git a/tests/test_keywards.alpha b/tests/test_keywards.alpha
new file mode 100644
index 0000000..ff18168
--- /dev/null
+++ b/tests/test_keywards.alpha
@@ -0,0 +1,29 @@
+while
+While
+whiLe
+if
+IF
+If
+iF
+then
+Then
+theN
+else
+eLse
+elSe
+Else
+type
+Type
+tyPe
+function
+Function
+functioN
+return
+Return
+returN
+external
+External
+exteRnal
+as
+As
+aS
diff --git a/tests/test_types.alpha b/tests/test_types.alpha
new file mode 100644
index 0000000..4fde8cd
--- /dev/null
+++ b/tests/test_types.alpha
@@ -0,0 +1,10 @@
+integer
+Integer
+address
+Address
+Boolean
+boolean
+character
+Character
+string
+String