diff --git a/fhtagn.awk b/fhtagn.awk
index b0226b8..4c5be81 100755
--- a/fhtagn.awk
+++ b/fhtagn.awk
@@ -77,7 +77,7 @@ function prefixFile(prefix, fname,   l,res,err) {
   return res
 }
 function run(code,stdOutF,stdErrF) {
-  return system("(" code ") 1>" stdOutF " 2>" stdErrF) # can it be that {} are better than ()?
+  return system("{" code "\n} 1>" stdOutF " 2>" stdErrF)
 }
 function rndS() { return int(2147483647 * rand()) "." Rnd }
 function tmpFile(random, ext) { return sprintf("%s/%s.%s.%s", Tmp, Prog, random, ext) }
diff --git a/tests/3.tush b/tests/3.tush
index ee4ba2d..21ac9f3 100644
--- a/tests/3.tush
+++ b/tests/3.tush
@@ -5,4 +5,10 @@ testing the 2nd test goes immediately after the 1st
 $ echo aaa
 | aaa
 $ echo bbb
-| BBB
\ No newline at end of file
+| BBB
+
+testing line with a comment
+===========================
+
+$ echo aaa # comment
+| aaa
diff --git a/tests/fhtagn.tush b/tests/fhtagn.tush
index 13de1a0..257282c 100644
--- a/tests/fhtagn.tush
+++ b/tests/fhtagn.tush
@@ -56,7 +56,7 @@ $ cd "$MYDIR"; ALL=1 ./tests/trimBlank.sh $FHTAGN tests/1.tush tests/2.tush test
 | -| BBB
 | +| bbb
 | ---blank---
-| result=FAIL, failure=2, success=4, total=6, files=3
+| result=FAIL, failure=2, success=5, total=7, files=3
 ? 1
 
 $ cd "$MYDIR"; ALL=1 ./tests/trimBlank.sh $FHTAGN tests/1.tush