39495: add-zle-hook-widget: Add end-of-options guard to hook invocation.

Currently, the only special widget that takes arguments is zle-keymap-select.

ChangeLog

@@ -1,5 +1,8 @@
 2016-09-30  Daniel Shahaf  <d.s@daniel.shahaf.name>
 
+	* 39495: Doc/Zsh/contrib.yo, Functions/Misc/add-zle-hook-widget:
+	add-zle-hook-widget: Add end-of-options guard to hook invocation.
+
 	* 39480: Completion/Debian/Command/_bug: _reportbug: Complete
 	absolute filenames, too.
 

Doc/Zsh/contrib.yo

@@ -346,7 +346,7 @@ as the var(hook) argument.
 var(widgetname) is the name of a ZLE widget.  If no options are given this
 is added to the array of widgets to be invoked in the given hook context.
 Note that the hooks are called as widgets, that is, with
-example(tt(zle )var(widgetname)tt( -Nw "$@"))
+example(tt(zle )var(widgetname)tt( -Nw -- "$@"))
 
 vindex(WIDGET, in hooks)
 Note that this means that the `tt(WIDGET)' special parameter tracks the

Functions/Misc/add-zle-hook-widget

@@ -47,9 +47,9 @@ function azhw:${^hooktypes} {
     for hook in "${(@)${(@on)hook_widgets[@]}#<->:}"; do
 	if [[ "$hook" = user:* ]]; then
 	    # Preserve $WIDGET within the renamed widget
-	    zle "$hook" -N "$@"
+	    zle "$hook" -N -- "$@"
 	else
-	    zle "$hook" -Nw "$@"
+	    zle "$hook" -Nw -- "$@"
 	fi || return
     done
     return 0