saving uncommitted changes in /etc prior to emerge run

apvlv/._cfg0000_apvlvrc

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+" some map
+
+" map n to <C-f> to goto next page
+"map n <C-f>
+
+" and p to prepage
+"map p <C-b>
+
+" map I to zi, and O to zo
+"map I zi
+"map O zo
+
+" if start apvlv as fullscreen mode, default is no
+set fullscreen=no
+
+" zoom value, default is fitwidth
+" zoom has 4 styles
+" a float type number
+" fitwidth
+" fitheight
+" normal
+"set zoom=fitwidth
+
+" set window size
+set width=800
+set height=600
+
+" set command timeout between two key press 
+set commandtimeout=2000
+
+" set default dir
+set defaultdir=C:\
+
+" set if use content view
+set content=yes
+
+" set weather use continuous view 
+" make sure the autoscrollpage is set to "yes" if you want to set this to yes
+set continuous=yes
+
+" set a pad to continuous page
+set continuouspad=2
+
+" set if auto scroll page when at the end or begin of one pdf page
+set autoscrollpage=yes
+
+" set if auto scroll doc from 1st page when goto the last page
+set autoscrolldoc=yes
+
+" set if disable ~/.apvlvinfo, default is no
+set noinfo=no
+
+" set pdf object cache size
+set pdfcache = 4
+
+" set if use visual mode to select and copy text
+set visualmode = no
+
+" set if wrapscan text
+set wrapscan = yes
+
+" set double click action
+" option value is 'word', 'line' or 'page'
+set doubleclick = page
+
+" set GUI options
+" m means menu, T means toolbar
+" set guioptions = 
+
+" set if use auto reload document
+" > 0 means auto reload after some seconds. = 0 means not auto reload
+" set autoreload = 3
+
+" set if reverted pdf page
+" set reverted = no