From b6cef9d156e4a9141bb8c714e80f44b95e53dfba Mon Sep 17 00:00:00 2001
From: Igor Shymko <i.shymko@thenewmotion.com>
Date: Fri, 24 Oct 2014 18:12:04 +0300
Subject: [PATCH] more precise scrolling

---
 README.md                | 1 +
 markdown-preview-mode.el | 3 +--
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 530e525..f0997e8 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,7 @@ Markdown preview mode
 ## Description
 Opens a preview in a browser, updated upon buffer save.
 Same preview window is valid across multiple markdown buffers.
+Scrolls browser window to keep your editing position visible.
 
 ## Dependencies
 
diff --git a/markdown-preview-mode.el b/markdown-preview-mode.el
index 25e8cc0..3f7ee1e 100644
--- a/markdown-preview-mode.el
+++ b/markdown-preview-mode.el
@@ -100,9 +100,8 @@
           (truncate
            (* 100
               (/
-               (float (line-number-at-pos))
+               (float (-  (line-number-at-pos) (count-screen-lines (window-start) (point))))
                (count-lines (point-min) (point-max))))))))
-
     (when markdown-preview-mode
       (markdown markdown-output-buffer-name))
     (with-current-buffer (get-buffer markdown-output-buffer-name)