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Diffstat (limited to 'doc/changelog')
| -rw-r--r-- | doc/changelog/07-commands-and-options/11258-coherence.rst | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/doc/changelog/07-commands-and-options/11258-coherence.rst b/doc/changelog/07-commands-and-options/11258-coherence.rst new file mode 100644 index 0000000000..f04a120417 --- /dev/null +++ b/doc/changelog/07-commands-and-options/11258-coherence.rst @@ -0,0 +1,10 @@ +- **Changed:** + The :cmd:`Coercion` command has been improved to check the coherence of the + inheritance graph. It checks whether a circular inheritance path of `C >-> C` + is convertible with the identity function or not, then report it as an + ambiguous path if it is not. The new mechanism does not report ambiguous + paths that are redundant with others. For example, checking the ambiguity of + `[f; g]` and `[f'; g]` is redundant with that of `[f]` and `[f']` thus will + not be reported + (`#11258 <https://github.com/coq/coq/pull/11258>`_, + by Kazuhiko Sakaguchi). |