diff --git a/regression/.gitignore b/regression/.gitignore
deleted file mode 120000
index 65f1cfa74..000000000
--- a/regression/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-../stdlib/.gitignore
\ No newline at end of file
diff --git a/regression/.gitignore b/regression/.gitignore
new file mode 100644
index 000000000..bf30d1b26
--- /dev/null
+++ b/regression/.gitignore
@@ -0,0 +1,5 @@
+*.html
+*.sm
+/*.log
+*.i
+*.s
diff --git a/runtime/runtime.c b/runtime/runtime.c
index a2f15d05f..6710bd94a 100644
--- a/runtime/runtime.c
+++ b/runtime/runtime.c
@@ -402,6 +402,7 @@ static StringBuf stringBuf;
 
 static void createStringBuf () {
   stringBuf.contents = (char*) malloc (STRINGBUF_INIT);
+  memset(stringBuf.contents, 0, STRINGBUF_INIT);
   stringBuf.ptr      = 0;
   stringBuf.len      = STRINGBUF_INIT;
 }
diff --git a/stdlib/.gitignore b/stdlib/.gitignore
index 0ec54007e..bf30d1b26 100644
--- a/stdlib/.gitignore
+++ b/stdlib/.gitignore
@@ -1,6 +1,5 @@
 *.html
 *.sm
-*.log
+/*.log
 *.i
 *.s
-
diff --git a/stdlib/regression/.gitignore b/stdlib/regression/.gitignore
new file mode 100644
index 000000000..50e13221d
--- /dev/null
+++ b/stdlib/regression/.gitignore
@@ -0,0 +1 @@
+/*.log
diff --git a/stdlib/regression/orig/test33.log b/stdlib/regression/orig/test33.log
new file mode 100644
index 000000000..35beaeee9
--- /dev/null
+++ b/stdlib/regression/orig/test33.log
@@ -0,0 +1,2 @@
+{}.string: 0
+{}.stringcat: 
diff --git a/stdlib/regression/test33.lama b/stdlib/regression/test33.lama
new file mode 100644
index 000000000..8bce46926
--- /dev/null
+++ b/stdlib/regression/test33.lama
@@ -0,0 +1,5 @@
+import List;
+import Array;
+
+printf ("{}.string: %s\n", {}.string);
+printf ("{}.stringcat: %s\n", {}.stringcat)