fix: easySyntax not working for ""

chatcommands.lua

@@ -18,7 +18,7 @@ predefined (optional):  if valid, it will skip the selection formspec and direct
                 context.easy_syntax = minetest.formspec_escape(params[2])
             end
         else
-            context.easy_syntax = " "
+            context.easy_syntax = ""
         end
         chat_formspec.show_sender_fs(name)
         return true

show_receive.lua

@@ -65,7 +65,7 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
         local target_fs = chat_formspec.create_target_fs(context)
         chat_formspec.show_to_target(name, target_fs)
     elseif fields.update then
-        context.easy_syntax = minetest.formspec_escape(fields.easy_syntax) or " "
+        context.easy_syntax = minetest.formspec_escape(fields.easy_syntax) or ""
         chat_formspec.show_sender_fs(name)
     elseif fields.select and not(fields.key_enter and fields.key_enter_field) then
         context.easy_syntax = chat_formspec.preset[fields.select] or ""

specs.lua

@@ -2,7 +2,9 @@ local S = minetest.get_translator("chat_formspec")
 
 function chat_formspec.easy_syntax_to_formspec(context)
     local fs_def = string.split(context.easy_syntax, "#", false, -1, false)
-
+    if #fs_def == 0 then            -- easy_syntax being "" or "#"
+        fs_def = {""}
+    end
     local target_template = "button[11.3,0.3;3,0.8;chat_help;" .. S("How to chat?") .. "]" ..
         "textarea[0.4,0.3;10.5,1;;;" .. S("I (@1) tried to contact you via chat already, but you did not respond", "%s") .. "]" ..
         "textarea[0.4,1.5;13.8,4.2;;;%s]"