--- a/core.lua	Sun Oct 09 01:02:27 2011 +0000
+++ b/core.lua	Sun Oct 09 15:51:24 2011 +0000
@@ -1067,6 +1067,7 @@
 end
 
 -- Generic helpers
+-- Returns index and entry at that index, or nil if not found.
 function addon._find_next_after (kind, index)
 	index = index + 1
 	while index <= #g_loot do
@@ -1076,6 +1077,26 @@
 		index = index + 1
 	end
 end
+-- Essentially a _find_next_after('time'-or-'boss'), but if KIND is
+-- 'boss', will also stop upon finding a timestamp.  Returns nil if
+-- appropriate fencepost is not found.
+function addon._find_timeboss_fencepost (kind, index)
+	local fencepost
+	local closest_time = addon._find_next_after('time',index)
+	if kind == 'time' then
+		fencepost = closest_time
+	elseif kind == 'boss' then
+		local closest_boss = addon._find_next_after('boss',index)
+		if not closest_boss then
+			fencepost = closest_time
+		elseif not closest_time then
+			fencepost = closest_boss
+		else
+			fencepost = math.min(closest_time,closest_boss)
+		end
+	end
+	return fencepost
+end
 
 -- Iterate through g_loot entries according to the KIND field.  Loop variables
 -- are g_loot indices and the corresponding entries (essentially ipairs + some