src/parser/parser-proto.lisp: Add functions returning standard parsers.

[sod] / src / parser / scanner-proto.lisp

diff --git a/src/parser/scanner-proto.lisp b/src/parser/scanner-proto.lisp
index ea41ad6..c6236c5 100644 (file)
--- a/src/parser/scanner-proto.lisp
+++ b/src/parser/scanner-proto.lisp
@@ -7,7 +7,7 @@
 
 ;;;----- Licensing notice ---------------------------------------------------
 ;;;
-;;; This file is part of the Sensble Object Design, an object system for C.
+;;; This file is part of the Sensible Object Design, an object system for C.
 ;;;
 ;;; SOD is free software; you can redistribute it and/or modify
 ;;; it under the terms of the GNU General Public License as published by
@@ -104,7 +104,7 @@
       `(let ((,place (scanner-capture-place ,scanner)))
         ,@decls
         (unwind-protect (progn ,@body)
-          (scanner-release-place ,scanner ,place))))))
+          (when ,place (scanner-release-place ,scanner ,place)))))))
 
 ;;;--------------------------------------------------------------------------
 ;;; Character scanner protocol.