diff --git a/THANKS b/THANKS
index d1731573d..42ce7bd0b 100644
--- a/THANKS
+++ b/THANKS
@@ -29,6 +29,7 @@ Christopher Lee
       Larry Schwimmer
       Radey Shouman
      Maciej Stachowiak
+       John Tobey
        Greg Troxel
     Bernard Urban
 
diff --git a/libguile/ChangeLog b/libguile/ChangeLog
index 5ffc0a6a4..7fa4c004a 100644
--- a/libguile/ChangeLog
+++ b/libguile/ChangeLog
@@ -1,5 +1,17 @@
 1998-04-19  Mikael Djurfeldt  <mdj@mdj.nada.kth.se>
 
+	* dynl.c (scm_must_free_argv): Fixed memory leak due to negated
+	condition.  (Thanks to John Tobey.)
+
+	* continuations.c (scm_make_cont), debug.c (scm_make_memoized,
+	scm_make_debugobj), eval.c (scm_makprom): SCM_DEFER/ALLOW_INTS -->
+	A section.
+
+	* __scm.h: Start the long-term project of moving to POSIX threads.
+	Phase 1: Classification of all critical sections.
+	(SCM_ENTER_A_SECTION, SCM_EXIT_A_SECTION): New macros: Delimiters
+	for A sections.  (See comments in __scm.h for details.)
+
 	* dynl.c: Only check that HAVE_DLOPEN is defined before loading
 	dynl-dl.c; Test on HAVE_LIBDLD instead of HAVE_DLD.
 
diff --git a/libguile/dynl.c b/libguile/dynl.c
index 3182382e5..7560c687c 100644
--- a/libguile/dynl.c
+++ b/libguile/dynl.c
@@ -114,8 +114,8 @@ scm_must_free_argv(argv)
      char **argv;
 {
     char **av = argv;
-    while(!(*av))
-	free(*(av++));
+    while (*av)
+      free(*(av++));
     free(argv);
 }