Can opengrok provide a code snippet function

[popshi]

Is your feature request related to a problem? Please describe.
I want to add code snippet in Wiki and Confluence page, but it always add a whole file.

like: url is https://jcat-opengrok/opengrok/snippet/p1/path/Cat.java#10-20
the output only include lines from 10 to 20. No other things. no head.

Describe the solution you'd like
add a function: snippet.

Describe alternatives you've considered
https://jcat-opengrok/opengrok/xref/p1/path/Cat.java#10-20

Additional context
Used in the other tools. or use in Html file, for example in iFrame.