\usepackage[hyphens]{url}
-\usepackage[pdflang={en-GB},pagebackref,breaklinks]{hyperref} % hyperlinks
+\usepackage[pdflang={en-GB},breaklinks,plainpages=false]{hyperref} % hyperlinks
\usepackage{xr} % hyperlinks
-\renewcommand*{\backref}[1]{}
-\renewcommand*{\backrefalt}[4]{[{%
- \ifcase #1 not cited.\or p.~#2.\else pp. #2.\fi%chktex 1
-}]}
\hypersetup{%
pdftitle={\mytitle},
pdfauthor={\myauthor},