Added tag v2.6.8rc1 for changeset caab08cd2b3e
diff --git a/.hgtags b/.hgtags
index 0ba8a0c..cf02d8f 100644
--- a/.hgtags
+++ b/.hgtags
@@ -137,3 +137,4 @@
 c1dc9e7986a2a8e1070ec7bee748520febef382e v2.6.6rc1
 e189dc8fd66154ef46d9cd22584d56669b544ca3 v2.6.6rc2
 9f8771e0905277f8b3c2799113a062fda4164995 v2.6.6
+caab08cd2b3eb5a6f78479b2513b65d36c754f41 v2.6.8rc1