Found the following significant warnings:
  Warning: unable to re-encode 'abbr2bib.R' line 79
See '/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/journalabbr.Rcheck/00install.out' for details.
Found the following significant warnings:
  Warning: unable to re-encode 'abbr2bib.R' line 79
See 'd:/Rcompile/CRANpkg/local/4.1/journalabbr.Rcheck/00install.out' for details.

Imports includes 28 non-default packages.
Importing from so many packages makes the package vulnerable to any of
them becoming unavailable.  Move as many as possible to Suggests and
use conditionally.
Namespace in Imports field not imported from: ‘pacman’
  All declared Imports should be used.
Namespace in Imports field not imported from: ‘pacman’
  All declared Imports should be used.
Namespace in Imports field not imported from: ‘pacman’
  All declared Imports should be used.
Namespace in Imports field not imported from: ‘pacman’
  All declared Imports should be used.
Namespace in Imports field not imported from: ‘pacman’
  All declared Imports should be used.
Namespace in Imports field not imported from: ‘pacman’
  All declared Imports should be used.

checkRd: (7) MI.ci.Rd:60: invalid email address: <mdelord@gmail.com>
checkRd: (7) MI.surv.Rd:46: invalid email address: <mdelord@gmail.com>
checkRd: (7) MIICD.crreg.Rd:77: invalid email address: <mdelord@gmail.com>
checkRd: (7) MI.ci.Rd:60: invalid email address: <mdelord@gmail.com>
checkRd: (7) MI.surv.Rd:46: invalid email address: <mdelord@gmail.com>
checkRd: (7) MIICD.crreg.Rd:77: invalid email address: <mdelord@gmail.com>
checkRd: (7) MI.ci.Rd:60: invalid email address: <mdelord@gmail.com>
checkRd: (7) MI.surv.Rd:46: invalid email address: <mdelord@gmail.com>
checkRd: (7) MIICD.crreg.Rd:77: invalid email address: <mdelord@gmail.com>
Undeclared package ‘riskRegression’ in Rd xrefs
checkRd: (7) MI.ci.Rd:60: invalid email address: <mdelord@gmail.com>
checkRd: (7) MI.surv.Rd:46: invalid email address: <mdelord@gmail.com>
checkRd: (7) MIICD.crreg.Rd:77: invalid email address: <mdelord@gmail.com>
checkRd: (7) MI.ci.Rd:60: invalid email address: <mdelord@gmail.com>
checkRd: (7) MI.surv.Rd:46: invalid email address: <mdelord@gmail.com>
checkRd: (7) MIICD.crreg.Rd:77: invalid email address: <mdelord@gmail.com>