3-word compound adjectives; the return of the '-'

[Alejandro Colomar]

Hi,

In a patch to linux-man@ there's a 3-word compound adjective.  I don't 
know what are the rules for such a thing, and I'd like to have some 
consistency (and correctness) in the manual pages.

I've seen many different things in the past;:

 a) block device-based filesystems
 b) block-device-based filesystems
 c) block- device-based filesystems

And now I found one more 
<https://www.editorgroup.com/blog/to-hyphenate-or-not-to-hyphenate/>:

 d) block device\[en]based filesystems

Where the en dash is used to distinguish it from 'a block filesystem 
based on a device'.

Which form would you recommend me to use?


Cheers,

Alex

--
<http://www.alejandro-colomar.es/>

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