# \#bug

**URL:** https://discuss.compclassnotes.com/tag/bug/33.md

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## [CCNffIndexer\[ \] in core.nb](https://discuss.compclassnotes.com/t/ccnffindexer-in-core-nb/224)

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**Author:** [@FreeFormer](https://discuss.compclassnotes.com/u/FreeFormer)\
**Replies:** 0\
**Last updated:** [May 8, 2026, 12:42am UTC](https://discuss.compclassnotes.com/t/ccnffindexer-in-core-nb/224 "2026-05-08T00:42:18Z")

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(\*FIXME: “\]”-\>“\]\]” in some cases in the above .left or .right extra \] could be added for expand\[eq.left\] \*) list2 = Map\[ StringReplace\[#, {“.\[” → “\[\[”, “'\[” → “\[\[”, “\]” → “\]\]” }\] &, list1\];

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## [Notebook ff\_equal\_expr.nb : uncompressing issue](https://discuss.compclassnotes.com/t/notebook-ff-equal-expr-nb-uncompressing-issue/217)

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**Author:** [@FreeFormer](https://discuss.compclassnotes.com/u/FreeFormer)\
**Replies:** 0\
**Last updated:** [May 5, 2026, 1:01pm UTC](https://discuss.compclassnotes.com/t/notebook-ff-equal-expr-nb-uncompressing-issue/217 "2026-05-05T13:01:24Z")

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Generally the ff\_equal\_expr, which takes care of sentential identities if the form: var = expression; uncompressed the expression. However, for some cases, not sure if this is a new version 14.x issue a string of forma…

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## [Pi and other reserved keywords cannot be used in "save as"](https://discuss.compclassnotes.com/t/pi-and-other-reserved-keywords-cannot-be-used-in-save-as/216)

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**Author:** [@FreeFormer](https://discuss.compclassnotes.com/u/FreeFormer)\
**Replies:** 0\
**Last updated:** [May 5, 2026, 12:32pm UTC](https://discuss.compclassnotes.com/t/pi-and-other-reserved-keywords-cannot-be-used-in-save-as/216 "2026-05-05T12:32:50Z")

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Usage Failure save as pi; This pi is replaced by the number Pi and creates unpredictable malfunctions. Suggested Solutions Discourage the programmers use pi padded with spaces Modify the String Rewriting System to av…