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-rw-r--r--src/clientserver.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/clientserver.h b/src/clientserver.h
index 3f97d3732..43de689e4 100644
--- a/src/clientserver.h
+++ b/src/clientserver.h
@@ -48,6 +48,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#define PASSWORD_SIZE 28 // Maximum password length. Allows for
// base64-encoded SHA-1 (27+\0).
+#define TEXTURENAME_ALLOWED_CHARS "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_."
+
enum ToClientCommand
{
TOCLIENT_INIT = 0x10,