Updated the style. updated the DTD to allow regex

Author: Petr Cisar

sipp.dtd

@@ -25,7 +25,7 @@
 
 <!ELEMENT recv ( action? ) >
 <!ATTLIST recv %messageCmdCommon; >
-<!ATTLIST recv response NMTOKEN #IMPLIED >
+<!ATTLIST recv response CDATA #IMPLIED >
 <!ATTLIST recv request CDATA #IMPLIED >
 <!ATTLIST recv optional (true|false) #IMPLIED >
 <!ATTLIST recv ignosesdp (true|false) #IMPLIED >

src/call.cpp

@@ -4454,7 +4454,7 @@ bool call::matches_scenario(unsigned int index, int reply_code, char * request,
     } else if (curmsg->recv_response) {
         if (curmsg->regexp_match) { // Match response code using regex
             char reply_code_str[8];
-           snprintf(reply_code_str,8,"%u",reply_code); // Convert the response code to string
+           snprintf(reply_code_str, 8, "%u", reply_code); // Convert the response code to string
             if (curmsg->regexp_compile == nullptr) {
                 regex_t *re = new regex_t;
                 /* No regex match position needed (NOSUB), we're simply
@@ -4469,7 +4469,7 @@ bool call::matches_scenario(unsigned int index, int reply_code, char * request,
                return false;
            }
         } else { // Exact numerical match
-            if (atoi(curmsg->recv_response)!=reply_code) {
+            if (atoi(curmsg->recv_response) != reply_code) {
                return false;
            }
         }