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-rw-r--r--src/sound.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/sound.h b/src/sound.h
index 6363d614e..7f6e4141e 100644
--- a/src/sound.h
+++ b/src/sound.h
@@ -61,7 +61,7 @@ public:
virtual void updateListener(v3f pos, v3f vel, v3f at, v3f up) = 0;
// playSound functions return -1 on failure, otherwise a handle to the
- // sound
+ // sound. If name=="", call should be ignored without error.
virtual int playSound(const std::string &name, bool loop,
float volume) = 0;
virtual int playSoundAt(const std::string &name, bool loop,