less: Add --quit-if-one-screen

Before v530 `less` would need the -X flag as well for -F to be useful.
With v530 it does not enter alternate mode if the content fits in one
screen.

.config/zsh/.zprofile

@@ -77,6 +77,11 @@ export LESS_TERMCAP_us=$'\e[1;4;31m'
 LESS+="${LESS:+ }--mouse --wheel-lines=3"
 # Display ANSI color escape sequences
 LESS+="${LESS:+ }-R"
+# Exit if entire file fits on screen
+# NOTE: Before v530 `less` would need the -X flag as well for -F to be useful.
+#       With v530 it does not enter alternate mode if the content fits in one
+#       screen.
+LESS+="${LESS:+ }-F"
 export LESS
 
 # Show also hidden files per default but ignore files in '.git' directories.