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* doc/misc/erc.texi: Add new subheading "Module Loading" under the "Modules" chapter. * lisp/erc/erc.el (erc--sort-modules): New utility function to sort and dedupe modules. (erc-modules): In `custom-set' function, factor out collation into separate utility `erc--sort-modules'. (erc-update-modules): Call `erc--update-modules' with an argument, the current value of `erc-modules'. (erc--aberrant-modules): New variable, a list of symbols whose modules ERC suspects of being incorrectly defined. (erc--warn-about-aberrant-modules): New function to print an error message and emit a warning prior to connecting when `erc--aberrant-modules' is non-nil. (erc--find-mode): Make heuristic more robust by always checking for a mode activation command rather than just a state variable. This fixes a compatibility bug, new in 5.6, affecting third-party modules that autoload module definitions instead of their corresponding mode-activation commands. (erc--update-modules): Add new positional argument `modules'. (erc--setup-buffer-hook): Add new default member, `erc--warn-about-aberrant-modules'. (erc-open): Pass sorted `erc-modules' to `erc--update-modules'. * test/lisp/erc/erc-tests.el (erc--sort-modules): New test. (erc-tests--update-modules): New fixture. (erc--update-modules): Remove and rework as three separate tests dedicated to specific contexts. The existing one had poor coverage and was difficult, if not impossible, to follow. (erc--update-modules/unknown, erc--update-modules/local, erc--update-modules/realistic): New tests. (Bug#57955) |
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