$NetBSD: patch-docs_man_mupdf.1,v 1.1 2023/09/07 14:36:54 vins Exp $

Document fine-grained zoom function.

--- docs/man/mupdf.1.orig	2023-09-05 11:51:19.000000000 +0000
+++ docs/man/mupdf.1
@@ -94,6 +94,9 @@ Pan page left or right.
 .TP
 .B Control + Scroll wheel
 Zoom in or out.
+.TP
+.B Shift + Control + Scroll wheel
+Fine grained Zoom in or out.
 
 .SH KEY BINDINGS