UI: added f2 command for online help

Author: chrisws

ChangeLog

@@ -1,11 +1,13 @@
 2015-11-01
 	Fix debugger launch in linux build
-	Fix editor variable handling
-	Fix image drawing
+	Fix editor display issue with keyword completion
+	Fix editor case insensitive search
+	Fix image drawing for large images
 	Fix PAINT infinite loop
 	Fix keyboard handling for non-us keymaps
 	Fix Ctrl+Home editor keystroke handler
 	Fix crash with online command if site is down
+	Implemented editor F2 command to display online help
 
 2015-10-20
 	Fix LET when assigning a value to a MAP/ARRAY field

src/platform/sdl/editor.cpp

@@ -18,8 +18,6 @@ void onlineHelp(const char *nodeId) {
     char path[100];
     sprintf(path, "http://smallbasic.sf.net/?q=node/%s", nodeId);
     browseFile(path);
-  } else {
-    browseFile("http://smallbasic.sourceforge.net/");
   }
 }
 

src/ui/textedit.cpp

@@ -106,6 +106,7 @@ const char *helpText =
   "SHIFT-<arrow> select\n"
   "TAB indent line\n"
   "F1,A-h keyword help\n"
+  "F2, online help\n"
   "F5 debug\n"
   "F9, C-r run\n";