# Select texchanges-review.tex as the Overleaf Main document to compile the
# automatic comparison. Other Main documents, including
# texchanges-explicit-review.tex, compile normally.
#
# MINWORDSBLOCK=1 preserves short shared phrases such as "system provides".
# -jobname=%B ensures the generated PDF has the name latexmk expects.
$pdflatex = q{if [ "%B" = "texchanges-review" ]; then latexdiff --flatten --type=UNDERLINE --config MINWORDSBLOCK=1 texchanges-original.tex texchanges-revised.tex > review-generated.tex; pdflatex -recorder %O -jobname=%B review-generated.tex; else pdflatex -recorder %O %S; fi};