removed placeholder text in prompt

cd no longer panics if the given directory doesn't exist (wtf?)

src/parse/execute.rs

@@ -450,7 +450,13 @@ impl Dispatcher {
 		let curr_job_mut = self.job_stack.curr_job_mut().unwrap();
 		let io_stack_mut = &mut self.io_stack;
 
-		if cmd_raw.as_str() == "builtin" || cmd_raw.as_str() == "command" {
+		if cmd_raw.as_str() == "builtin" {
+			*argv = argv.iter_mut()
+				.skip(1)
+				.map(|tk| tk.clone())
+				.collect::<Vec<Tk>>();
+			return self.exec_builtin(cmd)
+		} else if cmd_raw.as_str() == "command" {
 			*argv = argv.iter_mut()
 				.skip(1)
 				.map(|tk| tk.clone())

src/parse/lex.rs

@@ -322,6 +322,7 @@ impl LexStream {
 		let slice = self.slice_from_cursor().unwrap().to_string();
 		let mut pos = self.cursor;
 		let mut chars = slice.chars().peekable();
+		let mut can_be_subshell = chars.peek() == Some(&'(');
 
 		if self.flags.contains(LexFlags::IN_CASE) {
 			if let Some(count) = case_pat_lookahead(chars.clone()) {
@@ -501,7 +502,7 @@ impl LexStream {
 					self.cursor = pos;
 					return Ok(cmdsub_tk)
 				}
-				'(' if self.next_is_cmd() => {
+				'(' if self.next_is_cmd() && can_be_subshell => {
 					pos += 1;
 					let mut paren_count = 1;
 					let paren_pos = pos;

src/parse/mod.rs

@@ -691,17 +691,19 @@ impl ParseStream {
 		let mut body: Vec<Node> = vec![];
 		let mut redirs: Vec<Redir> = vec![];
 
+
 		if *self.next_tk_class() != TkRule::BraceGrpStart {
 			return Ok(None)
 		}
 		node_tks.push(self.next_tk().unwrap());
+	
 
 		loop {
 			if *self.next_tk_class() == TkRule::BraceGrpEnd {
 				node_tks.push(self.next_tk().unwrap());
 				break
 			}
-			if let Some(node) = self.parse_block(true)? {
+			if let Some(node) = self.parse_cmd_list()? {
 				node_tks.extend(node.tokens.clone());
 				body.push(node);
 			}