Remove lineterm in contextt_diff and unified_diff

examples/example.rs

@@ -9,14 +9,14 @@ fn main() {
 	let first_text = "one two three four".split(" ").collect::<Vec<&str>>();
 	let second_text = "zero one tree four".split(" ").collect::<Vec<&str>>();
 	let diff = difflib::unified_diff(&first_text, &second_text, "Original", "Current",
-			"2005-01-26 23:30:50", "2010-04-02 10:20:52", 3, "");
+			"2005-01-26 23:30:50", "2010-04-02 10:20:52", 3);
 	for line in &diff {
 		println!("{:?}", line);
 	}
 
 	//context_diff
 	let diff = difflib::context_diff(&first_text, &second_text, "Original", "Current",
-			"2005-01-26 23:30:50", "2010-04-02 10:20:52", 3, "");
+			"2005-01-26 23:30:50", "2010-04-02 10:20:52", 3);
 	for line in &diff {
 		println!("{:?}", line);
 	}

src/lib.rs

@@ -27,8 +27,9 @@ pub fn get_close_matches<'a>(word: &str, possibilities: Vec<&'a str>, n: usize,
 }
 
 pub fn unified_diff<T: Sequence>(first_sequence: &T, second_sequence: &T, from_file: &str, to_file: &str, 
-	from_file_date: &str, to_file_date: &str, n: usize, lineterm: &str) -> Vec<String> {
+	from_file_date: &str, to_file_date: &str, n: usize) -> Vec<String> {
 	let mut res = Vec::new();
+	let lineterm = '\n';
 	let mut started = false;
 	let mut matcher = SequenceMatcher::new(first_sequence, second_sequence);
 	for group in &matcher.get_grouped_opcodes(n) {
@@ -67,8 +68,9 @@ pub fn unified_diff<T: Sequence>(first_sequence: &T, second_sequence: &T, from_f
 
 
 pub fn context_diff<T: Sequence>(first_sequence: &T, second_sequence: &T, from_file: &str, to_file: &str, 
-	from_file_date: &str, to_file_date: &str, n: usize, lineterm: &str) -> Vec<String> {
+	from_file_date: &str, to_file_date: &str, n: usize) -> Vec<String> {
 	let mut res = Vec::new();
+	let lineterm = '\n';
 	let mut prefix: HashMap<String, String> = HashMap::new();
 	prefix.insert(String::from("insert"), String::from("+ "));
 	prefix.insert(String::from("delete"), String::from("- "));

tests/test.rs

@@ -134,8 +134,8 @@ fn test_unified_diff() {
 	let first_text = "one two three four".split(" ").collect::<Vec<&str>>();
 	let second_text = "zero one tree four".split(" ").collect::<Vec<&str>>();
 	let result = difflib::unified_diff(&first_text, &second_text, "Original", "Current",
-			"2005-01-26 23:30:50", "2010-04-02 10:20:52", 3, "").join("");
-	assert_eq!(result, "--- Original\t2005-01-26 23:30:50+++ Current\t2010-04-02 10:20:52@@ -1,4 +1,4 @@+zero one-two-three+tree four");
+			"2005-01-26 23:30:50", "2010-04-02 10:20:52", 3).join("");
+	assert_eq!(result, "--- Original\t2005-01-26 23:30:50\n+++ Current\t2010-04-02 10:20:52\n@@ -1,4 +1,4 @@\n+zero one-two-three+tree four");
 }
 
 #[test]
@@ -143,6 +143,6 @@ fn test_context_diff() {
 	let first_text = "one two three four".split(" ").collect::<Vec<&str>>();
 	let second_text = "zero one tree four".split(" ").collect::<Vec<&str>>();
 	let result = difflib::context_diff(&first_text, &second_text, "Original", "Current",
-			"2005-01-26 23:30:50", "2010-04-02 10:20:52", 3, "").join("");
-	assert_eq!(result, "*** Original\t2005-01-26 23:30:50--- Current\t2010-04-02 10:20:52****************** 1,4 ****  one! two! three  four--- 1,4 ----+ zero  one! tree  four");
+			"2005-01-26 23:30:50", "2010-04-02 10:20:52", 3).join("");
+	assert_eq!(result, "*** Original\t2005-01-26 23:30:50\n--- Current\t2010-04-02 10:20:52\n***************\n*** 1,4 ****\n  one! two! three  four--- 1,4 ----\n+ zero  one! tree  four");
 }