Regression: Fix 2 issues with literal_at() refactoring

Author: doxygen

src/markdown.cpp

@@ -209,7 +209,10 @@ inline size_t isNewline(std::string_view data)
   // normal newline
   if (data[0] == '\n') return 1;
   // artificial new line from ^^ in ALIASES
-  if (literal_at(data,"\\ilinebr ")) return 8;
+  if (literal_at(data,"\\ilinebr"))
+  {
+    return (data.size()>8 && data[8]==' ') ? 9 : 8; // also count space after \ilinebr if present
+  }
   return 0;
 }
 

src/stringutil.h

@@ -106,7 +106,7 @@ template <size_t N>
 bool literal_at(std::string_view data,const char (&str)[N])
 {
   size_t len = N-1; // exclude 0 terminator
-  return len<data.size() && data[0]==str[0] && qstrncmp(data.data()+1,str+1,len-1)==0;
+  return len<=data.size() && data[0]==str[0] && qstrncmp(data.data()+1,str+1,len-1)==0;
 }
 
 #endif // STRINGUTIL_H