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Using latexdiff I have the problem, that by adding new \section, I get the following error by trying to run pdflatex.

! Argument of \UL@word has an extra }.
<inserted text> 
l.69 \subsection{\DIFadd{Some Text}}

Here you can see the redefined \section command...

{1}     % Structure level
{0mm}   % Indention
{2ex plus 1ex minus 1ex}            % Pre-Margin
{0.5ex plus 0.5ex minus 0.5ex}      % Post-Margin
{\chapterheadfont\Large\bfseries}   % Style
{2}     % Structure level
{0mm}   % Indention
{1.5ex plus 1ex minus 0.5ex}        % Pre-Margin
{0.3ex plus 0.3ex minus 0.3ex}      % Post-Margin
{\chapterheadfont\large\bfseries}   % Style

How can I fix the problem? It would work for me also to ignore the changed section names.

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Welcome to TeX.sx! We'd like to keep answers separate from questions, so you should write a separate answer instead of editing your answer into the question. Self-answers are perfectly admissible, and a well-written answer may earn you additional reputation. –  lockstep Dec 18 '12 at 18:28

2 Answers 2

up vote 10 down vote accepted

(OPs answer, moved from the question.)

I thought it would be complexer, but I found a solution. Using --exclude-textcmd allows the ignoring of tags. It works now.

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It's difficult without an MWE, but I would assume that the difficulty is with hyperref, which tries to include underlined/crossed out text as hyperlink given that it is part of a chapter.

The solution is to use texorpdfstring, which tells hyperref to use plain text for the hyperlinks. I can't remember the exact commands that latexdiff definds, but try something like that:

% Redefine these commands for chapter/sections and change below

\RequirePackage[normalem]{ulem}% DIF PREAMBLE
\RequirePackage{color}\definecolor{RED}{rgb}{1,0,0}\definecolor{BLUE}{rgb}{0,0,1}%DIF PREAMBLE
\providecommand{\DIFadd}[1]{{\protect\textcolor{blue}{\hwave{#1}}}}% DIF PREAMBLE
\providecommand{\DIFdel}[1]{{\protect\textcolor{red}{\hsout{#1}}}}% DIF PREAMBLE
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I've tried your solution, but it doesn't work. I get the same errors like before. –  aphex Dec 18 '12 at 22:51
@aphex Then please provide an MWE –  Jörg Dec 19 '12 at 9:16
@Jörg I seem to be suffering from the same issue. In my document i have a section "Conclusions". When i set this as a comment my latexdiff file compiles as normal. However if i have this as a section, the same error appears: Argument of \UL@word has an extra }. <inserted text> \par l.1411 \DIFaddbegin \section{\DIFadd{Conclusion}} –  wierts Nov 22 '13 at 14:28

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