fzfmenu - handle arguments with quotes passed to fzf

Examples.md

@@ -1468,7 +1468,11 @@ mkfifo $output
 chmod 600 $input $output
 
 # it's better to use st here (starts a lot faster than pretty much everything else)
-st -c fzfmenu -n fzfmenu -e sh -c "cat $input | fzf $* | tee $output" & disown
+# the ugly printf thing is here to make args with quotes work.
+# (e.g. --preview='echo {1}')
+# sadly we can't use "$@" here directly because we are inside sh -c "..." call
+# already
+st -c fzfmenu -n fzfmenu -e sh -c "cat $input | fzf $(printf -- " '%s'" "$@") | tee $output" & disown
 
 # handle ctrl+c outside child terminal window
 trap "kill $! 2>/dev/null; rm -f $input $output" EXIT
@@ -1477,6 +1481,8 @@ cat > $input
 cat $output
 ```
 
+All arguments are passed to fzf.
+
 Don't forget to add a float/center rule for `fzfmenu` class/name to your wm's config.
 
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