braille: Warn when not text translation was selected

in case the user didn't notice

diff --git a/filter/braille/filters/texttobrf.in b/filter/braille/filters/texttobrf.in
index acdf8b9b7cad60d071e0bbdb518cf4ab0589ddf0..6c7a2a168901213551313da31899b03ae3e8293f 100755 (executable)
--- a/filter/braille/filters/texttobrf.in
+++ b/filter/braille/filters/texttobrf.in
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 #
-# Copyright (c) 2015-2017 Samuel Thibault <samuel.thibault@ens-lyon.org>
+# Copyright (c) 2015-2018 Samuel Thibault <samuel.thibault@ens-lyon.org>
 # 
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -173,6 +173,7 @@ then
   fi
 else
   # No translation, only text rendering
+  printf "WARN: No braille table translation was selected\n" >&2
   setupTextRendering
 fi