documentclass[draft]{article}

usepackage{commenting}

declareauthor{joe}{Joseph}{blue}
declareauthor{pete}{Peter}{red}
declareauthor{bob}{Robert}{green}

setdefaultauthor{joe} % if no author is specified, joe is used

authorcommand{joe}{comment} % define joe as alias of comment[joe]

onlyauthors{default,joe,pete} % exclude comments from bob

% Display only comments dated between 08/01 and 15/01
NoCommentsBefore{08/01}
NoCommentsAfter{15/01}
% IncludeNonDatedComments % default behaviour

newcommand{lipsum}{Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Ut purus elit, vestibulum ut, placerat ac, adipiscing vitae, felis.}

begin{document}
lipsum{}
comment{I am joe}% comment by default author, not dated
lipsum{}
changed[pete](10/01){lipsum}% this change is dated
comment[bob]{This is awful}
comment[joe]{Bla bla}
lipsum{}
changed[joe][Bob please check]{lipsum}
lipsum{}
comment[joe]{Add comment on lipsum}
lipsum{}
annot[pete]{Add reference?}
lipsum{}
joe(16/01){I think this paragraph is unnecessary}% will be filtered out because outside date bounds
lipsum{}
annot[pete](12/01){Citation needed}
lipsum{}
end{document}

newcommand{changes1215}[1]{color{red}#1}

newcommand{changes1215}[1]{#1}
newcommand{changes1230}[1]{color{red}#1}

scm-latexdiff 123456:document.tex

#set folder and files
folder = "yourfoldername"
newfile = "new.tex"
oldfile = "old.tex"

#execute
setwd(folder)
system(paste("cmd.exe /c "latexdiff ", oldfile," ", newfile,  " >
difference_highlighted.tex"" , sep = ""), intern =TRUE)
system(paste("cmd.exe /c "pdflatex difference_highlighted.tex""))
system(paste("cmd.exe /c "bibtex difference_highlighted""))
system(paste("cmd.exe /c "pdflatex difference_highlighted.tex""))
system(paste("cmd.exe /c "pdflatex difference_highlighted.tex""))