From 6fd86ab6b7784e11f67c879b51c37c6e0011416f Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sat, 3 Sep 2011 20:50:11 -0700
Subject: [PATCH] Don't bother saving n2 percentage

It's all calculated anyway, and for the same reason we don't bother even
parsing it at load time, we really shouldn't bother saving it either.

The only thing you can do with that value is "check if the percentages
add up to 100%", and so what?

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 save-xml.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/save-xml.c b/save-xml.c
index 309f7cc..9e3640c 100644
--- a/save-xml.c
+++ b/save-xml.c
@@ -136,11 +136,9 @@ static void save_cylinder_info(FILE *f, struct dive *dive)
 			return;
 		fprintf(f, "  <cylinder");
 		if (o2) {
-			int n2 = 1000 - o2 - he;
 			fprintf(f, " o2='%u.%u%%'", FRACTION(o2, 10));
 			if (he)
 				fprintf(f, " he='%u.%u%%'", FRACTION(he, 10));
-			fprintf(f, " n2='%u.%u%%'", FRACTION(n2, 10));
 		}
 		if (volume) {
 			fprintf(f, " size='%u.%03u l'", FRACTION(volume, 1000));
-- 
2.43.0