cleveref-forward — Forward-referencing functionality for cleveref

cleveref-forward aims at providing the forward-referencing functionality for the package cleveref.

This package is derived from the package cleveref-usedon, with several fixes and enhancements.

Package dependencies: cleveref, crefthe, iflang, regexpatch.

Regarding the usage

It might be a good idea to start with the demo documents.

The documentation and examples written by Sven Pistre for the original package cleveref-usedon are also very inspiring (but be aware that the usage has changed a lot, so some of the code there may no longer work here).

Known issues / what to do next

• This package currently works for English, French, German, Italian and Spanish — certainly more languages would be added to this list in the future.
• The code is somewhat messy for now, and the naming of many macros could be improved.
• The support for displayed maths is still not perfect: currently, if you choose to print the forward-referencing message outside the math environment, then for equation, multline and dmath, it works nicely (you may need to configure cleveref to make it work with dmath); but for align, flalign, alignat and gather, it would only show the message for the last labeled line. The inside-math mode has no such limitation, but it would require sufficient margin width.
• Not all configuration yields nice result, more appealing examples are needed.

The original package cleveref-usedon is nicer in terms of documentation, while the current package is slightly more advanced in terms of code. It is hoped that one day they can be combined into a better version.

Acknowledgement

The author would like to thank:

• Sven Pistre, for originally developing the nice package cleveref-usedon, and for the friendly discussions with him that inspired many of the modifications later.
• Ulrich Diez, for his help in a key step of the new configuration command.

License

This work is released under the LaTeX Project Public License, v1.3c or later.