new_group_creation_rule.txt

1)  Mixins group and option name string length should  be  <=  20 characters.

2)  The separator character  is   '-' ,  e.g.  "cpu-arch",  "cpu_arch" is not allowed.

3)  Every mixins group should include a 'default' and 'false' option.  'default'  usually links to 'false' option that has empty file.

4)  Don't contain 'disable'/'enable'/'none' options, use 'true'/'false' instead.

5)  Every mixins group should have  "doc.spec"  file to describe group's purpose and each option's usage.

6)  Refer to 'template-simple' & 'template-complex' groups as a template for your group.