tmux: Use e prefix when comparing numbers

.config/tmux/tmux.conf

@@ -117,19 +117,17 @@ bind -T copy-mode-vi i send -X cancel
 # scrolling when the respective line is visible. This mimics the behaviour of
 # vim's C-y at the top of the file.
 bind -T copy-mode-vi C-e \
-	if -F "#{>:#{scroll_position},0}" {
+	if -F "#{e|>:#{scroll_position},0}" {
 		send-keys -X scroll-down
-		if -F "#{>:#{copy_cursor_y},#{scroll_region_upper}}" {
+		if -F "#{e|>:#{copy_cursor_y},#{scroll_region_upper}}" {
 			send-keys -X cursor-up
 		}
 	}
 
-# TODO: C-y bugs shortly after the start for a couple of lines. I have no idea
-# why, but I think the problem lays in the first if, as nothing happens at all
 bind -T copy-mode-vi C-y \
-	if -F "#{<:#{scroll_position},#{history_size}}" {
+	if -F "#{e|<:#{scroll_position},#{history_size}}" {
 		send-keys -X scroll-up
-		if -F "#{<:#{copy_cursor_y},#{scroll_region_lower}}" {
+		if -F "#{e|<:#{copy_cursor_y},#{scroll_region_lower}}" {
 			send-keys -X cursor-down
 		}
 	}
@@ -211,6 +209,8 @@ set -g mode-style 'bg=#{@accent_color},fg=#{@text_fg}'
 #
 # NOTE: `<` does string comparison with `strcmp()`. This means that the
 #       condition will break from a double digit major version (e.g. `10.0`) on.
+# TODO: Use #{e|<|f:, but cut off trailing non-numbers and convert the result
+#       (i.e. 1.00 or 0.00) back into an int.
 if -F "#{<:#{version},3.2}" {
 	set -g pane-border-style 'bg=default,fg=#{@ui_color}'
 	set -g pane-active-border-style 'bg=default,fg=#{@accent_color}'