Error(s) in re-building vignettes:
--- re-building ‘udpipe-annotation.Rmd’ using rmarkdown
trying URL 'https://raw.githubusercontent.com/jwijffels/udpipe.models.ud.2.5/master/inst/udpipe-ud-2.5-191206/dutch-alpino-ud-2.5-191206.udpipe'
Content type 'application/octet-stream' length 17047727 bytes (16.3 MB)
==================================================
downloaded 16.3 MB

--- finished re-building ‘udpipe-annotation.Rmd’

--- re-building ‘udpipe-parallel.Rmd’ using rmarkdown
trying URL 'https://raw.githubusercontent.com/jwijffels/udpipe.models.ud.2.5/master/inst/udpipe-ud-2.5-191206/french-gsd-ud-2.5-191206.udpipe'
Content type 'application/octet-stream' length 23811948 bytes (22.7 MB)
==================================================
downloaded 22.7 MB

--- finished re-building ‘udpipe-parallel.Rmd’

--- re-building ‘udpipe-train.Rmd’ using rmarkdown
--- finished re-building ‘udpipe-train.Rmd’

--- re-building ‘udpipe-tryitout.Rmd’ using rmarkdown
trying URL 'https://raw.githubusercontent.com/jwijffels/udpipe.models.ud.2.5/master/inst/udpipe-ud-2.5-191206/dutch-alpino-ud-2.5-191206.udpipe'
Content type 'application/octet-stream' length 17047727 bytes (16.3 MB)
==================================================
downloaded 16.3 MB

--- finished re-building ‘udpipe-tryitout.Rmd’

--- re-building ‘udpipe-universe.Rmd’ using rmarkdown
--- finished re-building ‘udpipe-universe.Rmd’

--- re-building ‘udpipe-usecase-postagging-lemmatisation.Rmd’ using rmarkdown
trying URL 'https://raw.githubusercontent.com/jwijffels/udpipe.models.ud.2.5/master/inst/udpipe-ud-2.5-191206/spanish-gsd-ud-2.5-191206.udpipe'
Content type 'application/octet-stream' length 29122974 bytes (27.8 MB)
==================================================
downloaded 27.8 MB

Quitting from lines 74-80 (udpipe-usecase-postagging-lemmatisation.Rmd) 
Error: processing vignette 'udpipe-usecase-postagging-lemmatisation.Rmd' failed with diagnostics:
polygon edge not found
--- failed re-building ‘udpipe-usecase-postagging-lemmatisation.Rmd’

--- re-building ‘udpipe-usecase-topicmodelling.Rmd’ using rmarkdown
trying URL 'https://raw.githubusercontent.com/jwijffels/udpipe.models.ud.2.5/master/inst/udpipe-ud-2.5-191206/french-gsd-ud-2.5-191206.udpipe'
Content type 'application/octet-stream' length 23811948 bytes (22.7 MB)
==================================================
downloaded 22.7 MB

--- finished re-building ‘udpipe-usecase-topicmodelling.Rmd’

SUMMARY: processing the following file failed:
  ‘udpipe-usecase-postagging-lemmatisation.Rmd’

Error: Vignette re-building failed.
Execution halted