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-rw-r--r--common/text-to-speech.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/common/text-to-speech.h b/common/text-to-speech.h
index cefbb7177e..004de3116b 100644
--- a/common/text-to-speech.h
+++ b/common/text-to-speech.h
@@ -148,6 +148,8 @@ public:
* Says the given string
*
* @param str The string to say
+ * @param charset The encoding of the string. If empty this is assumed to be the
+ * encoding used for the GUI.
*/
virtual bool say(String str, String charset = "") { return false; }