Interesting. 

Un fact I'm trying tout parse this lines.

An since spaces could be used for version separation and package separation it seems off tout parse

Le 7 déc. 2017 15:17, "Tom Hughes" <tom@compton.nu> a écrit :
On 07/12/17 14:06, Marwan Rabbâa wrote:

Do you have actually spec that specified BuildRequires with separated spaces ?

Sure, lots, for example:

https://src.fedoraproject.org/rpms/libosmium/blob/master/f/libosmium.spec#_18

Tom

--
Tom Hughes (tom@compton.nu)
http://compton.nu/