[gimp] libgimp: Add gtkdoc comments in gimpproceduredialog

[Niels De Graef <nielsdg src gnome org>]

commit 9fd2433f2166f4e2cb00a0eab39bdc1e786051a2
Author: Niels De Graef <nielsdegraef gmail com>
Date:   Sat Jan 2 13:00:37 2021 +0100

    libgimp: Add gtkdoc comments in gimpproceduredialog
    
    Although they're only used for a private function, gtk-doc still
    complains about the empty param docs, so let's just add something.

 libgimp/gimpproceduredialog.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)
---
diff --git a/libgimp/gimpproceduredialog.c b/libgimp/gimpproceduredialog.c
index f0fa28e06d..4f28ace264 100644
--- a/libgimp/gimpproceduredialog.c
+++ b/libgimp/gimpproceduredialog.c
@@ -1331,10 +1331,11 @@ gimp_procedure_dialog_check_mnemonic (GimpProcedureDialog *dialog,
 
 /**
  * gimp_procedure_dialog_fill_container_list:
- * @dialog:
- * @container_id:
- * @container: (transfer full):
- * @properties:
+ * @dialog:        the #GimpProcedureDialog.
+ * @container_id:  a container identifier.
+ * @container: (transfer full): The new container that should be used if none
+ *                              exists yet
+ * @properties: (nullable) (element-type gchar*): the list of property names.
  *
  * A generic function to be used by various publich functions
  * gimp_procedure_dialog_fill_*_list(). Note in particular that