```ruby
all

exclude_rule 'line-length'
exclude_rule 'no-duplicate-header'

rule 'ul-indent', :indent => 4
```

Allow headers to end with a question mark
user
```ruby
all

exclude_rule 'line-length'
exclude_rule 'no-duplicate-header'

rule 'no-trailing-punctuation', :punctuation => '.,;:!'
rule 'ul-indent', :indent => 4
```
assistant