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-rw-r--r--core/save-xml.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/core/save-xml.c b/core/save-xml.c
index 19b4e79b7..7a12244f6 100644
--- a/core/save-xml.c
+++ b/core/save-xml.c
@@ -283,7 +283,10 @@ static void save_sample(struct membuffer *b, struct sample *sample, struct sampl
old->setpoint = sample->setpoint;
}
show_index(b, sample->heartbeat, "heartbeat='", "'");
- show_index(b, sample->bearing.degrees, "bearing='", "'");
+ if (sample->bearing.degrees != old->bearing.degrees) {
+ show_index(b, sample->bearing.degrees, "bearing='", "'");
+ old->bearing.degrees = sample->bearing.degrees;
+ }
put_format(b, " />\n");
}