Content-Type: text/html
Content-Length: 1101

 
	 some <a href="/?a&b">html</a> code 
	 ^$b^(2+2^) 
	 \^\(\.\*\?\)\$ 
	 some <?dirty?> code 

 
	 some &lt;a href=&quot;/?a&amp;b&quot;&gt;html&lt;/a&gt; code 
	 ^$b^(2+2^) 
	 \^\(\.\*\?\)\$ 
	 some &lt;?dirty?&gt; code 

 
	 some &lt;a href=&quot;/?a&amp;b&quot;&gt;html&lt;/a&gt; code 
	 ^$b^(2+2^) 
	 \^\(\.\*\?\)\$ 
	 some <\?dirty\?> code 

 
	 some &lt;a href=&quot;/?a&amp;b&quot;&gt;html&lt;/a&gt; code 
	 ^$b^(2+2^) 
	 \^\(\.\*\?\)\$ 
	 some <?dirty?> code 

code coverage tests:
2. Exception type: parser.runtime,
Source: unsafe_env_name,
Comment: not safe environment variable
3. Exception type: parser.runtime,
Source: exec,
Comment: file name must be specified
4. Exception type: parser.runtime,
Source: exec,
Comment: stdin parameter must be string or file
5. Exception type: parser.runtime,
Source: exec,
Comment: param must be string or table or array of strings
6. "args" "arg 2" "" "arg 4" "arg 5" "arg 6" 
7. "args" "arg 2" "" "arg4" "5" "arg6" 
7. Exception type: parser.runtime,
Source: exec,
Comment: array element is 'hash', it does not string value