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[Leandro Heck <1600266@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

I would like to know if this is a bug or just a deprecation warning.
This "left brace" can still be  solved for Ubuntu 16.04 users?

$ latexdiff --version
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/\\includeonly{ <-- HERE (.*?)}/ at /usr/bin/latexdiff line 1572.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/(^(?:[^%\n]|\\%)*)\\bibliography{ <-- HERE (.*?)}/ at /usr/bin/latexdiff line 1607.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/(^(?:[^%\n]|\\%)*)\\subfile{ <-- HERE (.*?)}/ at /usr/bin/latexdiff line 1622.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/(?<!\\)\\{ <-- HERE / at /usr/bin/latexdiff line 2351.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/\\begin{ <-- HERE MATHMODE}((?:(.(?!(?<!\\)\&|\\\\))*)?)\\end{MATHMODE}/ at /usr/bin/latexdiff line 2676.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/\\begin{MATHMODE}((?:(.(?!(?<!\\)\&|\\\\))*)?)\\end{ <-- HERE MATHMODE}/ at /usr/bin/latexdiff line 2676.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/\\begin{ <-- HERE MATHMODE}(.*?)\\end{MATHMODE}/ at /usr/bin/latexdiff line 2678.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/\\begin{MATHMODE}(.*?)\\end{ <-- HERE MATHMODE}/ at /usr/bin/latexdiff line 2678.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/\\end{ <-- HERE SQUAREBRACKET}/ at /usr/bin/latexdiff line 2759.
Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/\\begin{ <-- HERE SQUAREBRACKET}/ at /usr/bin/latexdiff line 2760.
This is LATEXDIFF 1.1.1  (Algorithm::Diff 1.15 fast, Perl v5.22.1)
  (c) 2004-2015 F J Tilmann

** Affects: latexdiff (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1600266

Title:
  Unescaped left brace in regex

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