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[elpa] master b1b7d89: [on-screen] Fix error for a corner case


From: Michael Heerdegen
Subject: [elpa] master b1b7d89: [on-screen] Fix error for a corner case
Date: Sat, 27 Apr 2019 06:06:44 -0400 (EDT)

branch: master
commit b1b7d8955ed283604f89eb6bdc336a247604dea7
Author: Michael Heerdegen <address@hidden>
Commit: Michael Heerdegen <address@hidden>

    [on-screen] Fix error for a corner case
    
    Fix error when large parts of a buffer have been deleted, and bump
    version to 1.3.3.
    
    * packages/on-screen/on-screen.el (on-screen-after-scroll): Don't try
    to count lines relative to former window-start when that position is
    outside of current buffer bounds.
---
 packages/on-screen/on-screen.el | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/packages/on-screen/on-screen.el b/packages/on-screen/on-screen.el
index 954591a..58a80cc 100644
--- a/packages/on-screen/on-screen.el
+++ b/packages/on-screen/on-screen.el
@@ -7,7 +7,7 @@
 ;; Created: 24 Jan 2013
 ;; Keywords: convenience
 ;; URL: https://github.com/michael-heerdegen/on-screen.el
-;; Version: 1.3.2
+;; Version: 1.3.3
 ;; Package-Requires: ((cl-lib "0"))
 
 
@@ -526,7 +526,9 @@ This should normally go to `window-scroll-functions'."
              ((timerp timer)
               (timer-set-time timer (timer-relative-time (current-time) 
on-screen-delay)))
              ((or (not area)
-                  (= display-start s1)))
+                  (= display-start s1)
+                  ;; Deleting a large portion of the buffer caused window 
scroll
+                  (not (<= (point-min) s1 (point-max)))))
              ((and (numberp on-screen-drawing-threshold)
                    (< (abs (apply #'count-lines (sort (list display-start s1) 
#'<)))
                       on-screen-drawing-threshold)))
@@ -551,7 +553,7 @@ This should normally go to `window-scroll-functions'."
                    ;;scrolling down near buffer end
                    (setq s2 nil))
 
-                 (cond 
+                 (cond
                   ((equal method '(shadow . nil))
                    (if (and s1 s2) (list (make-overlay s1 s2)) ()))
                   ((eq (car method) 'shadow)



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