Revision: 16635
          http://sourceforge.net/p/skim-app/code/16635
Author:   hofman
Date:     2026-10-08 15:55:13 +0000 (Thu, 08 Oct 2026)
Log Message:
-----------
make sure we don't turn unsigned integer negative

Modified Paths:
--------------
    trunk/SKBasePDFView.m

Modified: trunk/SKBasePDFView.m
===================================================================
--- trunk/SKBasePDFView.m       2026-10-08 15:36:18 UTC (rev 16634)
+++ trunk/SKBasePDFView.m       2026-10-08 15:55:13 UTC (rev 16635)
@@ -380,7 +380,7 @@
     } else {
         PDFDocument *doc = [self document];
         NSUInteger i = [doc indexForPage:[self currentPage]];
-        if (displayMode == kPDFDisplayTwoUpContinuous && (i > 1 || [self 
displaysAsBook] == NO))
+        if (displayMode == kPDFDisplayTwoUpContinuous && (i > 1 || (i == 1 && 
[self displaysAsBook] == NO)))
             --i;
         [super goToPreviousPage:sender];
         if (i-- > 0)

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