fixed spellcheck and minor issues for release

profile.d/disp.sh

@@ -35,6 +35,7 @@
 # ------------------------------------------------------------------------------
 
 # Common helpers (helpers/common.sh)
+# shellcheck source=../helpers/common.sh
 declare -F _profile_load_helpers >/dev/null || . "$(dirname -- "${BASH_SOURCE[0]}")/../helpers/common.sh"
 
 load_conf disp
@@ -187,7 +188,8 @@ disp()
             # Only a real ESC or a literal backslash can start an ANSI sequence;
             # testing this first avoids copying the message tail (and running
             # the regex) for every ordinary character.
-            if [[ $_c == $'\e' || $_c == '\' ]]; then
+            # shellcheck disable=SC1003 # a literal backslash
+if [[ $_c == $'\e' || $_c == '\' ]]; then
                 local _sub=${message:_i}
                 if [[ $_sub =~ ^($ansi_re) ]]; then
                     line+=${BASH_REMATCH[0]}