diff --git a/src/FileType.php b/src/FileType.php
index d30ac72..0d6cf50 100644
--- a/src/FileType.php
+++ b/src/FileType.php
@@ -3,7 +3,12 @@
 namespace Aviat\Kilo;
 
 class FileType {
-
+	/**
+	 * Create the FileType object from the filename
+	 *
+	 * @param string|null $filename
+	 * @return self
+	 */
 	public static function from(?string $filename): self
 	{
 		$syntax = self::getSyntaxFromFilename((string)$filename);
@@ -11,6 +16,12 @@ class FileType {
 		return new self($syntax->filetype, $syntax);
 	}
 
+	/**
+	 * Create the Syntax object from the filename
+	 *
+	 * @param string $filename
+	 * @return Syntax
+	 */
 	private static function getSyntaxFromFilename(string $filename): Syntax
 	{
 		$ext = strstr(basename($filename), '.');
@@ -18,9 +29,16 @@ class FileType {
 		return match ($ext) {
 			'.sh', '.bash' => Syntax::new(
 				'Shell',
+				[
+					'case', 'do', 'done', 'elif', 'else', 'esac', 'fi', 'for', 'function', 'if', 'in',
+					'select', 'then', 'time', 'until', 'while', 'declare',
+				],
+				['set'],
+				operators: ['[[', ']]'],
 				slcs: '#',
 				mcs: '',
 				mce: '',
+				highlightNumbers: false,
 			),
 			'.php', 'kilo' => Syntax::new(
 				'PHP',
@@ -49,6 +67,7 @@ class FileType {
 			'.css', '.less', '.sass', '.scss' => Syntax::new(
 				'CSS',
 				slcs: '',
+				hasCommonOperators: false,
 			),
 			'.go' => Syntax::new(
 				'Go',
@@ -96,6 +115,12 @@ class FileType {
 					'usize', '&str', 'Copy', 'Drop', 'From', 'Into', 'None', 'Self', 'Send', 'Some',
 					'Sync', 'bool', 'char', 'i128', 'u128', 'Box', 'Err', 'Ord', 'Vec', 'dyn', 'f32',
 					'f64', 'i16', 'i32', 'i64', 'str', 'u16', 'u32', 'u64', 'Eq', 'Fn', 'Ok', 'i8', 'u8',
+					'&mut self', '&mut', '&self', 'self',
+				],
+				[
+					'...', '=>', '..', '>>=', '<<=', '--', '%=', '>>', ':=', '++', '/=', '<<', '>=',
+					'<-', '^=', '*=', '<=', '||', '|=', '-=', '!=', '==', '&&', '&=', '+=', '..=',
+					'.',
 				],
 				hasCharType: true,
 				highlightCharacters: true,
diff --git a/src/Row.php b/src/Row.php
index 91fe8ba..096e1b9 100644
--- a/src/Row.php
+++ b/src/Row.php
@@ -11,8 +11,6 @@ use Aviat\Kilo\Enum\RawKeyCode;
  * @property-read string $chars
  */
 class Row {
-	// use Traits\MagicProperties;
-
 	/**
 	 * The version of the row to be displayed (where tabs are converted to display spaces)
 	 */
@@ -170,6 +168,11 @@ class Row {
 		$this->update();
 	}
 
+	/**
+	 * Set the contents of the Row
+	 *
+	 * @param string $chars
+	 */
 	public function setChars(string $chars): void
 	{
 		$this->chars = $chars;
@@ -257,7 +260,7 @@ class Row {
 				|| $this->highlightString($i, $syntax)
 				|| $this->highlightOperators($i, $syntax)
 				|| $this->highlightCommonDelimeters($i)
-				|| $this->highlightCommonOperators($i)
+				|| $this->highlightCommonOperators($i, $syntax)
 				|| $this->highlightNumber($i, $syntax)
 			) {
 				continue;
@@ -274,10 +277,17 @@ class Row {
 		}
 	}
 
+	/**
+	 * Highlight number literals
+	 *
+	 * @param int $i
+	 * @param Syntax $opts
+	 * @return bool
+	 */
 	protected function highlightNumber(int &$i, Syntax $opts): bool
 	{
 		$char = $this->render[$i];
-		if ($opts->numbers() && is_digit($char))
+		if ($opts->numbers() && is_digit($char) && $this->hl[$i] === Highlight::NORMAL)
 		{
 			if ($i > 0)
 			{
@@ -311,9 +321,18 @@ class Row {
 		return false;
 	}
 
-	protected function highlightWord(int &$i, array $keywords, int $syntaxType): bool
+	/**
+	 * Highlight keywords and/or operators
+	 *
+	 * @param int $i
+	 * @param array $keywords
+	 * @param int $syntaxType
+	 * @param bool $requireSeparator
+	 * @return bool
+	 */
+	protected function highlightWord(int &$i, array $keywords, int $syntaxType, bool $requireSeparator = true): bool
 	{
-		if ($i > 0)
+		if ($i > 0 && $requireSeparator)
 		{
 			$prevChar = $this->render[$i - 1];
 			if ( ! is_separator($prevChar))
@@ -341,6 +360,14 @@ class Row {
 		return false;
 	}
 
+	/**
+	 * Highlight a single-char character from a list of provided keywords
+	 *
+	 * @param int $i
+	 * @param array $chars
+	 * @param int $syntaxType
+	 * @return bool
+	 */
 	protected function highlightChar(int &$i, array $chars, int $syntaxType): bool
 	{
 		if ($this->hl[$i] !== Highlight::NORMAL)
@@ -361,23 +388,56 @@ class Row {
 		return false;
 	}
 
+	/**
+	 * Highlight primary keywords
+	 *
+	 * @param int $i
+	 * @param Syntax $opts
+	 * @return bool
+	 */
 	protected function highlightPrimaryKeywords(int &$i, Syntax $opts): bool
 	{
 		return $this->highlightWord($i, $opts->keywords1, Highlight::KEYWORD1);
 	}
 
+	/**
+	 * Highlight secondary keywords
+	 *
+	 * @param int $i
+	 * @param Syntax $opts
+	 * @return bool
+	 */
 	protected function highlightSecondaryKeywords(int &$i, Syntax $opts): bool
 	{
 		return $this->highlightWord($i, $opts->keywords2, Highlight::KEYWORD2);
 	}
 
+	/**
+	 * Highlight language-specific operators
+	 *
+	 * @param int $i
+	 * @param Syntax $opts
+	 * @return bool
+	 */
 	protected function highlightOperators(int &$i, Syntax $opts): bool
 	{
-		return $this->highlightWord($i, $opts->operators, Highlight::OPERATOR);
+		return $this->highlightWord($i, $opts->operators, Highlight::OPERATOR, false);
 	}
 
-	protected function highlightCommonOperators(int &$i): bool
+	/**
+	 * Highlight common single-character operators
+	 *
+	 * @param int $i
+	 * @param Syntax $opts
+	 * @return bool
+	 */
+	protected function highlightCommonOperators(int &$i, Syntax $opts): bool
 	{
+		if ( ! $opts->commonOperators())
+		{
+			return false;
+		}
+
 		return $this->highlightChar(
 			$i,
 			['+', '-', '*', '/', '<', '^', '>', '%', '=', ':', ',', ';', '&', '~', '!', '|', '.'],
@@ -385,6 +445,12 @@ class Row {
 		);
 	}
 
+	/**
+	 * Highlight brackets and braces
+	 *
+	 * @param int $i
+	 * @return bool
+	 */
 	protected function highlightCommonDelimeters(int &$i): bool
 	{
 		return $this->highlightChar(
@@ -394,6 +460,13 @@ class Row {
 		);
 	}
 
+	/**
+	 * Highlight character literals
+	 *
+	 * @param int $i
+	 * @param Syntax $opts
+	 * @return bool
+	 */
 	protected function highlightCharacter(int &$i, Syntax $opts): bool
 	{
 		if (($i + 1) >= $this->rsize)
@@ -426,6 +499,13 @@ class Row {
 		return false;
 	}
 
+	/**
+	 * Highlight single-line comments
+	 *
+	 * @param int $i
+	 * @param Syntax $opts
+	 * @return bool
+	 */
 	protected function highlightComment(int &$i, Syntax $opts): bool
 	{
 		if ( ! $opts->comments())
@@ -447,6 +527,13 @@ class Row {
 		return false;
 	}
 
+	/**
+	 * Highlight quote-delimited string literals
+	 *
+	 * @param int $i
+	 * @param Syntax $opts
+	 * @return bool
+	 */
 	protected function highlightString(int &$i, Syntax $opts): bool
 	{
 		$char = $this->render[$i];
@@ -490,6 +577,9 @@ class Row {
 		return false;
 	}
 
+	/**
+	 * Highlight PHP code based on pre-parsed tokens
+	 */
 	protected function highlightPHP(): void
 	{
 		$rowNum = $this->idx + 1;
diff --git a/src/Syntax.php b/src/Syntax.php
index 3d6cb0d..06ac164 100644
--- a/src/Syntax.php
+++ b/src/Syntax.php
@@ -19,6 +19,7 @@ class Syntax {
 		bool $highlightComments = true,
 		bool $hasCharType = false,
 		bool $highlightCharacters = false,
+		bool $hasCommonOperators = true,
 	): self
 	{
 		return new self(
@@ -34,12 +35,21 @@ class Syntax {
 			$highlightCharacters,
 			$highlightStrings,
 			$highlightComments,
+			$hasCommonOperators,
 		);
 	}
 
 	public static function default(): self
 	{
-		return self::new('No filetype', slcs: '', mcs: '', mce: '', highlightNumbers: false, highlightStrings: false);
+		return self::new(
+			'No filetype', slcs:
+			'', mcs:
+			'', mce:
+			'',
+			highlightNumbers: false,
+			highlightStrings: false,
+			hasCommonOperators: false,
+		);
 	}
 
 	private function __construct(
@@ -55,7 +65,7 @@ class Syntax {
 		public string $singleLineCommentStart,
 		/** Syntax to start a multi-line comment */
 		public string $multiLineCommentStart,
-		/** Syntax to end a multi-line commment */
+		/** Syntax to end a multi-line comment */
 		public string $multiLineCommentEnd,
 		/** Should we highlight numbers? */
 		private bool $highlightNumbers,
@@ -67,6 +77,8 @@ class Syntax {
 		private bool $highlightStrings,
 		/** should we highlight comments? */
 		private bool $highlightComments,
+		/** should we highlight common operators? */
+		private bool $hasCommonOperators,
 	) {}
 
 	public function numbers(): bool
@@ -100,4 +112,9 @@ class Syntax {
 	{
 		return $this->highlightComments && strlen($this->singleLineCommentStart) !== 0;
 	}
+
+	public function commonOperators(): bool
+	{
+		return $this->hasCommonOperators;
+	}
 }
\ No newline at end of file
diff --git a/tests/Type/PointTest.php b/tests/Type/PointTest.php
new file mode 100644
index 0000000..5b4c4e2
--- /dev/null
+++ b/tests/Type/PointTest.php
@@ -0,0 +1,24 @@
+<?php declare(strict_types=1);
+
+namespace Aviat\Kilo\Tests\Type;
+
+use Aviat\Kilo\Type\Point;
+use PHPUnit\Framework\TestCase;
+
+class PointTest extends TestCase {
+	public function testNewPoint(): void
+	{
+		$p = Point::new(1, 2);
+		$this->assertEquals(1, $p->x);
+		$this->assertEquals(2, $p->y);
+	}
+
+	public function testPointFrom(): void
+	{
+		$p = Point::new(3, 7);
+		$p2 = Point::from($p);
+
+		$this->assertEquals($p->x, $p2->x);
+		$this->assertEquals($p->y, $p2->y);
+	}
+}