Encoder: removed trailing spaces [Closes #20]

Author: dg

src/Neon/Encoder.php

@@ -53,9 +53,9 @@ public function encode($var, $options = NULL)
 				foreach ($var as $k => $v) {
 					$v = $this->encode($v, self::BLOCK);
 					$s .= ($isList ? '-' : $this->encode($k) . ':')
-						. (strpos($v, "\n") === FALSE ? ' ' . $v : "\n\t" . str_replace("\n", "\n\t", $v))
-						. "\n";
-					continue;
+						. (strpos($v, "\n") === FALSE
+							? ' ' . $v . "\n"
+							: "\n" . preg_replace('#^(?=.)#m', "\t", $v) . (substr($v, -2, 1) === "\n" ? '' : "\n"));
 				}
 				return $s;
 

tests/Neon/Encoder.phpt

@@ -77,3 +77,8 @@ Assert::same(
 	PHP_VERSION_ID >= 50400 ? '",žlu/ťoučký"' : '",\u017elu\/\u0165ou\u010dk\u00fd"',
 	Neon::encode(',žlu/ťoučký')
 );
+
+Assert::same(
+	"foo: 1\nbar:\n\tx:\n\t\t- 1\n\t\t- 2\n\n\ty:\n\t\t- 3\n\t\t- 4\n\nbaz: null\n",
+	Neon::encode(array('foo' => 1, 'bar' => array('x' => array(1, 2), 'y' => array(3, 4)), 'baz' => NULL), Neon::BLOCK)
+);