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-rw-r--r--lib/wx/src/wxe.hrl2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/wx/src/wxe.hrl b/lib/wx/src/wxe.hrl
index da65cb939d..0f42d7e82e 100644
--- a/lib/wx/src/wxe.hrl
+++ b/lib/wx/src/wxe.hrl
@@ -44,6 +44,8 @@
-define(I, signed-native).
-define(F, float-native).
+-define(is_chardata(String), (is_list(String) orelse is_binary(String))).
+
-define(WXE_IDENTIFIER, wx_env).
-define(BATCH_BEGIN, 0).
-define(BATCH_END, 1).