fixed inline code for bold, em and s

In inline code the markdown for bold , emphasized
and strike trhough  is not parsed anymore.

Additionally the linker might be now faster on Linux.

include/maddy/emphasizedparser.h

@@ -41,7 +41,7 @@ public:
   void
   Parse(std::string& line) override
   {
-    static std::regex re("\\*([^\\*]*)\\*");
+    static std::regex re("(?!`|<code>)\\*(?!`|</code>)([^\\*]*)\\*(?!`|</code>)");
     static std::string replacement = "<em>$1</em>";
 
     line = std::regex_replace(line, re, replacement);

include/maddy/strikethroughparser.h

@@ -39,7 +39,7 @@ public:
   void
   Parse(std::string& line) override
   {
-    static std::regex re("\\~\\~([^\\~]*)\\~\\~");
+    static std::regex re("(?!`|<code>)\\~\\~(?!`|</code>)([^\\~]*)\\~\\~(?!`|</code>)");
     static std::string replacement = "<s>$1</s>";
 
     line = std::regex_replace(line, re, replacement);

include/maddy/strongparser.h

@@ -41,7 +41,7 @@ public:
   void
   Parse(std::string& line) override
   {
-    static std::regex re("\\*\\*([^\\*\\*]*)\\*\\*");
+    static std::regex re("(?!`|<code>)\\*\\*(?!`|</code>)([^\\*\\*]*)\\*\\*(?!`|</code>)");
     static std::string replacement = "<strong>$1</strong>";
 
     line = std::regex_replace(line, re, replacement);