'main': Don't use «foo && bar || baz» where a trenary is more appropriate.

This prevents the baz pattern match from being attempted whenever the
bar pattern match was tried and failed.

highlighters/main/main-highlighter.zsh

@@ -698,14 +698,24 @@ _zsh_highlight_main_highlighter_highlight_list()
     if (( ! in_redirection )); then
       if [[ $this_word == *':sudo_opt:'* ]]; then
         if [[ -n $flags_with_argument ]] &&
-           { [[ -n $flags_sans_argument ]] && [[ $arg == '-'[$flags_sans_argument]#[$flags_with_argument] ]] ||
-             [[ $arg == '-'[$flags_with_argument] ]] }; then
+           { 
+             # Trenary
+             if [[ -n $flags_sans_argument ]]
+             then [[ $arg == '-'[$flags_sans_argument]#[$flags_with_argument] ]]
+             else [[ $arg == '-'[$flags_with_argument] ]]
+             fi
+           } then
           # Flag that requires an argument
           this_word=${this_word//:start:/}
           next_word=':sudo_arg:'
         elif [[ -n $flags_with_argument ]] &&
-             { [[ -n $flags_sans_argument ]] && [[ $arg == '-'[$flags_sans_argument]#[$flags_with_argument]* ]] ||
-               [[ $arg == '-'[$flags_with_argument]* ]] }; then
+             {
+               # Trenary
+               if [[ -n $flags_sans_argument ]]
+               then [[ $arg == '-'[$flags_sans_argument]#[$flags_with_argument]* ]]
+               else [[ $arg == '-'[$flags_with_argument]* ]]
+               fi
+             } then
           # Argument attached in the same word
           this_word=${this_word//:start:/}
           next_word+=':start:'