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Added small note to the fish_prompt doc
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@ -11,6 +11,9 @@ By defining the \c fish_prompt function, the user can choose a custom
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prompt. The \c fish_prompt function is executed when the prompt is to
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be shown, and the output is used as a prompt.
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Please keep in mind that the function is executed by <a
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href='./index.html#expand-command-substitution'>command substitution</a> and so, even though on the outside it won't change, it's still possible to locally redefine variables and have the status variable changed.
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\subsection fish_prompt-example Example
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A simple prompt:
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