Jim Porter 90de226e21 Raise an error from 'eval-eval-using-options' for unknown options ...

* lisp/eshell/em-basic.el (eshell/echo): Add -E option.

* lisp/eshell/esh-opt.el (eshell--process-option): Raise an error if
an unknown option is encountered, even when :external is nil.

* test/lisp/eshell/esh-opt-tests.el (esh-opt-process-args-test)
(test-eshell-eval-using-options): Add test cases for this.

2022-01-21 13:06:11 +01:00

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