expand whatsnew item about defaults values being no longer allowed

7 jobs for v1.4.0a1 in 6 minutes
latest
Status Name Job ID Coverage
  Build
passed build package #36844

00:01:50

passed check whitespace style #36845

00:00:22

 
  Test
passed build PDF documentation #36848

00:04:08

passed build documentation #36847

00:03:46

failed check for broken links in doc #36850
allowed to fail

00:00:48

passed check for dependencies installed #36846

00:00:20

passed run tests #36849

00:01:31

87.0%
 
Name Stage Failure
failed
check for broken links in doc Test
(line   27) redirect  http://prl.aps.org/abstract/PRL/v90/i25/e256601 - with Found to https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.90.256601
writing output... [100%] tutorial/superconductors


build finished with problems, 151 warnings.
Makefile:119: recipe for target 'linkcheck' failed
make: Leaving directory '/builds/kwant/kwant/doc'
make: *** [linkcheck] Error 1
ERROR: Job failed: exit code 1