args.nanorc: improve options highlighting

Author: mattirn

demo/src/main/scripts/nanorc/args.nanorc

@@ -2,12 +2,12 @@ syntax "ARGS"
 
 NUMBER:         "\<[-]?[0-9]*([Ee][+-]?[0-9]+)?\>"  "\<[-]?[0](\.[0-9]+)?\>"
 STRING:         "[a-zA-Z]+[a-zA-Z0-9]*"
-FUNCTION:       "\<(console|grab|inspect)\>"
+COMMAND:        "\<(console|grab|inspect|classloader)\>"
 NULL:           "\<null\>"
 BOOLEAN:        "\<(true|false)\>"
 VARIABLE:       "(\[|,)\s*[a-zA-Z0-9]*\s*:"
-PLAIN:          "(:|\[|,|\])"
-OPTION:         "\s+[-]{1,2}[a-zA-Z0-9\?]+(\s+|$)"
+OPTION:         "(^|\s+)[-]{1,2}[a-zA-Z0-9\?]+(\s+|$|=)"
+PLAIN:          "(:|\[|,|\]|=)"
 $BLOCK_COMMENT: "/*, */"
 $LINE_COMMENT:  "//"
 $BALANCED_DELIMITERS  "", '"