PR #696: updated docs and code for hook.register() function

docs/source/170_hooks.rst

@@ -230,7 +230,7 @@ load hook::
     hook.register("load", load_hook_b, "append") -- appends to the previous hook function.
 
     -- > the following will run load_hook_b then load_hook_a
-    hook.register("load", load_hook_a) -          -- initializes the load hook function
+    hook.register("load", load_hook_a)            -- initializes the load hook function
     hook.register("load", load_hook_b, "prepend") -- prepends to the previous hook function
 
 Note that if the optional third argument (the action argument) is

src/Hook.lua

@@ -106,6 +106,7 @@ function M.register(name, func, action)
       LmodWarning{msg="w_Unknown_Hook_Action",action = tostring(action)}
    end
 
+   -- Save func depending on action
    if (action == "replace") then
       validT[name] = {func}
    elseif (action == "append") then