Fix a few issues

1 files changed, 11 insertions, 2 deletions

diff --git a/src/lib.rs b/src/lib.rs
index f75389b..16c16ea 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -398,7 +398,8 @@ struct Parser {
 
 impl Parser {
 	fn check_valid_key(&mut self, location: &Location, s: &str) {
-		if s.starts_with('.')
+		if s.is_empty()
+			|| s.starts_with('.')
 			|| s.ends_with('.')
 			|| s.contains("..")
 			|| !s.bytes().all(|c| {
@@ -449,6 +450,10 @@ impl Parser {
 				if char_code == 0 {
 					self.nonfatal_errors.push(Error::InvalidValue(location()));
 				}
+				if char_code >= 0x80 {
+					self.nonfatal_errors
+						.push(invalid_escape(format!("\\x{c1}{c2}")));
+				}
 				value.push(char::try_from(char_code).unwrap());
 			}
 			'u' => {
@@ -574,13 +579,17 @@ impl Parser {
 				continue;
 			}
 			if line.starts_with('[') {
+				// [section.header]
 				line = line.trim_end_matches(['\t', ' ']);
 				if !line.ends_with(']') {
 					return Err(Error::UnmatchedLeftBrace(location));
 				}
 				current_section = line[1..line.len() - 1].into();
-				self.check_valid_key(&location, &current_section);
+				if !current_section.is_empty() {
+					self.check_valid_key(&location, &current_section);
+				}
 			} else {
+				// key = value
 				let (mut relative_key, mut value) = line
 					.split_once('=')
 					.ok_or_else(|| Error::InvalidLine(location.clone()))?;