Merge branch '518-duplicate-page-entries' into 'master'

Resolve "Duplicate page entries"

Closes #518

See merge request !308
6 jobs for v0.3.0a4 in 4 minutes and 50 seconds (queued for 2 seconds)
latest
Status Name Job ID Coverage
  Build Env
manual build-image #131066
allowed to fail manual
 
  Build
passed build #131067

00:01:47

 
  Test
passed lint_js #131069

00:01:31

passed lint_py #131070

00:01:09

passed test_js #131068

00:01:33

passed test_py #131071

00:03:01

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