[PATCH 5/7] future/htm: Use \co{} in favor of $$

A sentence in htm.tex is using $$ for a code snippet.  Use \co{}
instead.

Signed-off-by: SeongJae Park <[email protected]>
---
 future/htm.tex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/future/htm.tex b/future/htm.tex
index 7a5e4ed3..fd5a81d1 100644
--- a/future/htm.tex
+++ b/future/htm.tex
@@ -628,7 +628,7 @@ semantics of locking, but loses locking's time-based messaging semantics.
 	When worker threads complete their feed, they must disentangle
 	themselves from the rest of the application and place a status
 	value in a per-thread \co{my_status} variable that is initialized
-	to $-1$.
+	to \co{-1}.
 	Threads do not exit; they instead are placed on a thread pool
 	to accommodate later processing requirements.
 	The control thread assigns (and re-assigns) worker threads as
-- 
2.17.1