Merge branch 'issue-1286' into 'master'

Issue 1286

See merge request !1295
11 jobs for master in 5 minutes and 25 seconds
Status Job ID Name Coverage
  Source
passed #125174388
graphviz centos7
portable-source

00:02:16

 
  Build
canceled #125174389
graphviz centos6
centos6-build

00:03:08

canceled #125174390
graphviz centos7
centos7-build

00:01:03

canceled #125174391
graphviz fedora27
fedora27-build

00:03:08

canceled #125174392
graphviz fedora28
fedora28-build

00:03:08

canceled #125174393
graphviz fedora29
fedora29-build

00:03:08

canceled #125174394
graphviz fedora30
fedora30-build

canceled #125174395
graphviz ubuntu18-04
ubuntu18-04-build

00:03:07

canceled #125174396
graphviz ubuntu18-10
ubuntu18-10-build

00:03:08

 
  External
passed continuous-integration/appveyor/branch

canceled continuous-integration/appveyor/branch