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## 17 Correct version of some examples ¶

Some of the examples in this manuals are buggy or not very robust, for demonstration purposes. Improved versions of these composite macros are presented here.

- Solution for `exch`
- Solution for `forloop`
- Solution for `foreach`
- Solution for `copy`
- Solution for `m4wrap`
- Solution for `cleardivert`
- Solution for `capitalize`
- Solution for `fatal_error`