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Unset the default Semantic Prompt line continuation environment variables (#5160)

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* unset default multiline prompt pre/pos env vars

Allows xontribs to differentiate between an explicit user setting of an empty prefix vs. an unset value

* doc: add News item
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Evgeny 2023-06-30 11:27:29 +07:00 • committed by GitHub
parent 2ff39e8e04
commit f303f0f395
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23
news/multil.rst Normal file
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@ -0,0 +1,23 @@
**Added:**
* <news item>
**Changed:**
* Unset the default line continuation environment variables (``$MULTILINE_PROMPT_PRE`` and ``$MULTILINE_PROMPT_POS``) to allow differentiating between user setting an empty value and not setting anything
**Deprecated:**
* <news item>
**Removed:**
* <news item>
**Fixed:**
* <news item>
**Security:**
* <news item>

4
xonsh/environ.py
View file

@ -1390,7 +1390,7 @@ class PromptSetting(Xettings):
is_string_or_callable,
ensure_string,
ensure_string,
"",
DefaultNotGiven,
"Indicator inserted before the line continuation marks set "
"in ``$MULTILINE_PROMPT``. Can be used to mark the start of "
"a semantic continuation prompt "
@ -1402,7 +1402,7 @@ class PromptSetting(Xettings):
is_string_or_callable,
ensure_string,
ensure_string,
"",
DefaultNotGiven,
"Indicator inserted after the line continuation marks set "
"in ``$MULTILINE_PROMPT``. Can be used to mark the end of "
"a semantic continuation prompt and the beginning of user input "