Define O2 permille for air in one spot

[ext/subsurface.git] / dive.h

diff --git a/dive.h b/dive.h
index 0549843ab5374cdca86d5be614c40a9017d0a6d8..bdf3aa6e1f52fc8c553377592537741dc95381e9 100644 (file)
--- a/dive.h
+++ b/dive.h
@@ -326,4 +326,6 @@ const char *monthname(int mon);
 #define FIVE_STARS     UTF8_BLACKSTAR UTF8_BLACKSTAR UTF8_BLACKSTAR UTF8_BLACKSTAR UTF8_BLACKSTAR
 extern const char *star_strings[];
 
+#define AIR_PERMILLE 209
+
 #endif /* DIVE_H */