--- parser3/tests/results/264.processed	2010/11/15 23:36:15	1.2
+++ parser3/tests/results/264.processed	2017/12/07 22:32:26	1.5
@@ -1,5 +1,5 @@
 Content-Type: text/html
-Content-Length: 495
+Content-Length: 847
 
  
 	 some <a href="/?a&b">html</a> code 
@@ -24,3 +24,17 @@ Content-Length: 495
 	 ^$b^(2+2^) 
 	 \^\(\.\*\?\)\$ 
 	 some <?dirty?> code 
+
+code coverage tests:
+2. Type: parser.runtime,
+Source: unsafe_env_name,
+Comment: not safe environment variable
+3. Type: parser.runtime,
+Source: exec,
+Comment: file name must be specified
+4. Type: parser.runtime,
+Source: exec,
+Comment: stdin parameter must be string or file
+5. Type: parser.runtime,
+Source: exec,
+Comment: param must be string or table