From 8a551b0fc4eb92533daafb5c23f01a2a3281f9bc Mon Sep 17 00:00:00 2001
From: Dave Rice <dave@dericed.com>
Date: Sat, 20 Feb 2021 11:03:02 -0500
Subject: [PATCH] add an introduction of the formulas that show range coding

based on recommendations in https://github.com/FFmpeg/FFV1/issues/258#issuecomment-782692779
---
 ffv1.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ffv1.md b/ffv1.md
index 5921687..351f497 100644
--- a/ffv1.md
+++ b/ffv1.md
@@ -486,6 +486,8 @@ SVGC:rangebinaryvalues7.svg=$$j_{0}=2$$
 AART:j_(0) = 2
 Figure: The initial value for "j", the length of the bytestream encoding. {#figureInitializeLength}
 
+The following equations define how the Range coder variables evolve as it reads or writes symbols.
+
 SVGI:!---
 SVGI:![svg](rangebinaryvalues1.svg "range binary values 1")
 SVGI:!---