give cl the attention it needs so it will work with us on C++ language version detection

samples/static_site_generator/example_site/generated/site.js

@@ -0,0 +1,61 @@
+function StringFitsFilter(str, filter)
+{
+	let match = true;
+	let filter_upper = filter.toUpperCase();
+	let filter_substrings = filter_upper.split(/[ _*]+/);
+	let str_upper = str.toUpperCase();
+	let minimum_index = 0;
+
+	for(let i = 0; i < filter_substrings.length; ++i)
+	{
+		if(filter_substrings[i].length > 0)
+		{
+			let index_of_substring = str_upper.indexOf(filter_substrings[i], minimum_index);
+			if(index_of_substring < 0 || index_of_substring < minimum_index)
+			{
+				match = false;
+				break;
+			}
+			minimum_index = index_of_substring + filter_substrings[i].length - 1;
+		}
+	}
+
+	return match;
+}
+
+function UpdateListByFilter(menu_id, filter_id)
+{
+	let ul = document.getElementById(menu_id);
+	let li = ul.getElementsByTagName("li");
+	let input = document.getElementById(filter_id);
+	let filter = input.value.toUpperCase();
+	for(let i = 0; i < li.length; i++)
+	{
+		if(filter.length > 0)
+		{
+			let a = li[i].getElementsByTagName("a")[0];
+			if(StringFitsFilter(a.innerHTML, filter))
+			{
+				li[i].style.display = "";
+			}
+			else
+			{
+			    li[i].style.display = "none";
+			}
+		}
+		else
+		{
+			li[i].style.display = "";
+		}
+	}
+}
+
+function SearchInput(event, lister_idx)
+{
+	UpdateListByFilter("lister_"+lister_idx, "lister_search_"+lister_idx);
+}
+
+function SearchKeyDown(event, lister_idx)
+{
+	UpdateListByFilter("lister_"+lister_idx, "lister_search_"+lister_idx);
+}

source/md.h

@@ -132,18 +132,52 @@
 #if defined(__cplusplus)
 # define MD_LANG_CPP 1
 
-# if __cplusplus <= 199711L
+// We can't get this 100% correct thanks to Microsoft's compiler.
-#  define MD_CPP_VERSION 98
+// So this check lets us pre-define MD_CPP_VERSION if we have to.
-# elif __cplusplus <= 201103L
+# if !defined(MD_CPP_VERSION)
-#  define MD_CPP_VERSION 11
+#  if defined(MD_COMPILER_CL)
-# elif __cplusplus <= 201402L
+// CL is annoying and didn't update __cplusplus over time
-#  define MD_CPP_VERSION 14
+// If it is available _MSVC_LANG serves the same role
-# elif __cplusplus <= 201703L
+#   if defined(_MSVC_LANG)
-#  define MD_CPP_VERSION 17
+#    if _MSVC_LANG <= 199711L
-# elif __cplusplus <= 202002L
+#     define MD_CPP_VERSION 98
-#  define MD_CPP_VERSION 20
+#    elif _MSVC_LANG <= 201103L
-# else
+#     define MD_CPP_VERSION 11
-#  define MD_CPP_VERSION 23
+#    elif _MSVC_LANG <= 201402L
+#     define MD_CPP_VERSION 14
+#    elif _MSVC_LANG <= 201703L
+#     define MD_CPP_VERSION 17
+#    elif _MSVC_LANG <= 202002L
+#     define MD_CPP_VERSION 20
+#    else
+#     define MD_CPP_VERSION 23
+#    endif
+// If we don't have _MSVC_LANG we can guess from the compiler version
+#   else
+#    if MD_COMPILER_CL_YEAR <= 2010
+#     define MD_CPP_VERSION 98
+#    elif MD_COMPILER_CL_YEAR <= 2015
+#     define MD_CPP_VERSION 11
+#    else
+#     define MD_CPP_VERSION 17
+#    endif
+#   endif
+#  else
+// Other compilers use __cplusplus correctly
+#   if __cplusplus <= 199711L
+#    define MD_CPP_VERSION 98
+#   elif __cplusplus <= 201103L
+#    define MD_CPP_VERSION 11
+#   elif __cplusplus <= 201402L
+#    define MD_CPP_VERSION 14
+#   elif __cplusplus <= 201703L
+#    define MD_CPP_VERSION 17
+#   elif __cplusplus <= 202002L
+#    define MD_CPP_VERSION 20
+#   else
+#    define MD_CPP_VERSION 23
+#   endif
+#  endif
 # endif
 
 #else
@@ -194,6 +228,9 @@
 #if !defined(MD_LANG_CPP)
 # define MD_LANG_CPP 0
 #endif
+#if !defined(MD_CPP_VERSION)
+# define MD_CPP_VERSION 0
+#endif
 
 #if MD_LANG_CPP
 # define MD_ZERO_STRUCT {}