5 files changed, 13 insertions, 4 deletions
diff --git a/mixlib/mix_scanner.l b/mixlib/mix_scanner.l
index 9071847..0ad1990 100644
--- a/mixlib/mix_scanner.l
+++ b/mixlib/mix_scanner.l
@@ -481,9 +481,15 @@ wexpr   {expr}({fpart})?(,{expr}({fpart})?)*
 	ADD_INS ();
       }
   }
-  {expr}/")"  {
+
+  {expr}/")"(({ws}+.*\n)|\n)  {
     ENTER_EVAL ();
   }
+
+  {expr}")".+ {
+    RETURN_ERROR (MIX_PERR_INV_FSPEC, g_strdup_printf ("(%s", yytext));
+  }
+
   .	RETURN_ERROR (MIX_PERR_INV_FSPEC, yytext);
 }
 
diff --git a/samples/Makefile.am b/samples/Makefile.am
index c1dcfa6..b3dcf28 100644
--- a/samples/Makefile.am
+++ b/samples/Makefile.am
@@ -14,4 +14,4 @@ SUBDIRS = tests
 
 EXTRA_DIST = primes.result hello.mixal primes.mixal echo.mixal \
              permutations.mixal permutations.cardrd isains.mixal \
-             elevator.mixal mystery.mixal minus_zero.mixal
+             elevator.mixal mystery.mixal
diff --git a/samples/tests/Makefile.am b/samples/tests/Makefile.am
index b75454c..6c15e64 100644
--- a/samples/tests/Makefile.am
+++ b/samples/tests/Makefile.am
@@ -1,6 +1,6 @@
 ## Process this file with automake to produce Makefile.in
 
-# Copyright (C) 2006 by Free Software Foundation, Inc.
+# Copyright (C) 2006, 2019 by Free Software Foundation, Inc.
 
 #
 # This file is free software; as a special exception the author gives
@@ -12,6 +12,6 @@
 # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 
 EXTRA_DIST = bt.mixal cbp.mixal ldan.mixal lockonw.mixal negwrite.mixal \
+             minus_zero.mixal dup_f.mixal \
              stress0.mixal stress1.mixal stress2.mixal stress4.mixal \
              stress5.mixal stress6.mixal
-
diff --git a/samples/tests/dup_f.mixal b/samples/tests/dup_f.mixal
new file mode 100644
index 0000000..63abc7c
--- /dev/null
+++ b/samples/tests/dup_f.mixal
@@ -0,0 +1,3 @@
+START LDA 1(4:4),1(5:5)
+      HLT
+      END START
diff --git a/samples/minus_zero.mixal b/samples/tests/minus_zero.mixal
index 9adb914..9adb914 100644
--- a/samples/minus_zero.mixal
+++ b/samples/tests/minus_zero.mixal