*highlight: Use $REPLY, don't create additional variables

hsmw-highlight

@@ -386,9 +386,7 @@ typeset -gA HSMW_HIGHLIGHT_STYLES
       next_word+=':start:'
      else
       -hsmw-highlight-expand-path $arg
-      local expanded_arg="$REPLY"
-      -hsmw-highlight-main-type ${expanded_arg}
-      local res="$REPLY"
+      -hsmw-highlight-main-type $REPLY
       () {
         # Special-case: command word is '$foo', like that, without braces or anything.
         #
@@ -397,15 +395,14 @@ typeset -gA HSMW_HIGHLIGHT_STYLES
         # incorrectness is outweighed by the usability improvement of permitting the use of
         # parameters that refer to commands, functions, and builtins.
         local MATCH; integer MBEGIN MEND
-        if [[ $res == none ]] && (( ${+parameters} )) &&
+        if [[ $REPLY == none ]] && (( ${+parameters} )) &&
            [[ ${arg[1]} == \$ ]] && [[ ${arg:1} = (#m)([[:alpha:]_][[:alnum:]_]#|[[:digit:]]##) ]] &&
            (( ${+parameters[${MATCH}]} ))
            then
           -hsmw-highlight-main-type ${(P)MATCH}
-          res=$REPLY
         fi
       }
-      case $res in
+      case $REPLY in
         reserved)       # reserved word
                         style=reserved-word
                         if [[ $arg == $'\x7b' ]]; then
@@ -502,7 +499,7 @@ typeset -gA HSMW_HIGHLIGHT_STYLES
                           fi
                         fi
                         ;;
-        *)              -hsmw-add-highlight $start_pos $end_pos commandtypefromthefuture-$res
+        *)              -hsmw-add-highlight $start_pos $end_pos commandtypefromthefuture-$REPLY
                         already_added=1
                         ;;
       esac