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This is the first time I do not receive any answers to my problem with pgfmath, and I would like to proceed, so I ask whether and how I can downgrade it?

tikz/pgf upgrade and decorations

As I mentioned, with the 2010 version my solution worked

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katang
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  • Assuming you have a backup of the old installation, you could remove the current version of tikz and pgf and copy in the old version. However, many updates for other packages may not work as expected because they might depend on new features introduced with the latest version of pgf. – A.Ellett Apr 26 '15 at 19:18
  • Or, you could just move the current version of pgfmath.tex to pgfmath.new.txt and copy the old version in its place. Yet, again, this may have some unexpected results since the rest of pgf and tikz are written expecting the most recent version of pgfmath.tex. – A.Ellett Apr 26 '15 at 19:20
  • Well, in my OSX I did have a disk failure, in my Linux I have a brand-new installation, so I really do not have old installation. Otherwise, thanks to this pgfmath upgrade, about 80% of my work compiles ONLY with the new version, and 20% ONLY with the old version. It looks like the only way out is to re-develop my own macros, to circumvent this bug in the new version. Hopefully, while I am working, the developers can fix the bug, and then I can continue developing in the backward direction. I guessed that the new version was tested. I provided MWE. – katang Apr 26 '15 at 19:50
  • It looks like you can get version 2.10 of pgf at here except the link is broken.... :( – A.Ellett Apr 26 '15 at 19:57
  • Is there no compat option? – Sean Allred Apr 26 '15 at 20:10
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    There is no reason for downgrading. Your code was faulty; I fixed it. – egreg Apr 26 '15 at 20:21

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