Fixing concurrency problems

states.go

@@ -44,9 +44,11 @@ func lexIdent(l *Lexer) stateFn {
 		case isHeading(s):
 			l.emit(ItemIdent)
 			return lexHeading
+
 		}
 	}
-	return nil
+	panic("we shouldn't be here")
+	return nil // this shouldn't ever be reached
 }
 
 func lexHeading(l *Lexer) stateFn {
@@ -78,7 +80,8 @@ func lexText(l *Lexer) stateFn {
 		r := l.next()
 		switch {
 		case r == EOF || r == '\n':
-			return l.errorf("wikilink terminated incorrectly")
+			l.emit(ItemText)
+			return nil
 		}
 	}
 }