On Wed, Aug 22, 2018 at 04:32:01PM +0800, Su Yue wrote: > Since v2.4.47 of attr(5)[1], commit 0550d2bc989d (Properly > set and report empty attribute values) changed output format of > empty attribute value with quotes. I think you mean starting with version v2.4.48, right? "Since v2.4.47" can easily/commonly be interpreted as "Starting with v2.4.47". v2.4.47 was released in 2013, and the commit in question (0550d2bc) dates from 2015. v2.4.48 was released very recently, on August 17, 2018. - Ted
