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@@ -102,6 +102,12 @@ type Evaler struct {
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// /usr/local>
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// ```
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//
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+// **Note**: The use of `echo` above is for illustrative purposes. When Elvish
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+// is used interactively, the working directory may be changed in location mode
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+// or navigation mode, and outputs from `echo` can garble the terminal. If you
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+// are writing a plugin that works with the interactive mode, it's better to use
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+// [`edit:notify`](edit.html#edit:notify).
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+//
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// @cf before-chdir
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//elvdoc:var before-chdir
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