Portability: Updated to make main re-entrant()

- New INSTALL instructions to emscripten, and AUTHORS for contribution.

src/commands/CmdReports.cpp

@@ -32,8 +32,6 @@
 #include <format.h>
 #include <util.h>
 
-extern Context context;
-
 ////////////////////////////////////////////////////////////////////////////////
 CmdReports::CmdReports ()
 {
@@ -56,7 +54,7 @@ int CmdReports::execute (std::string& output)
   std::vector <std::string> reports;
 
   // Add custom reports.
-  for (auto& i : context.config)
+  for (auto& i : Context::getContext ().config)
   {
     if (i.first.substr (0, 7) == "report.")
     {
@@ -85,7 +83,7 @@ int CmdReports::execute (std::string& output)
   // Compose the output.
   std::stringstream out;
   Table view;
-  view.width (context.getWidth ());
+  view.width (Context::getContext ().getWidth ());
   view.add ("Report");
   view.add ("Description");
   setHeaderUnderline (view);
@@ -94,7 +92,7 @@ int CmdReports::execute (std::string& output)
   {
     int row = view.addRow ();
     view.set (row, 0, report);
-    view.set (row, 1, context.commands[report]->description ());
+    view.set (row, 1, Context::getContext ().commands[report]->description ());
   }
 
   out << optionalBlankLine ()