Fix invalid Python escape sequences
(cherry picked from commit 4986d6d317
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@ -1557,9 +1557,9 @@ def format_text_block(
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post_text = text[endurl_pos + 6 :]
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if pre_text and pre_text[-1] not in MARKUP_ALLOWED_PRECEDENT:
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pre_text += "\ "
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pre_text += "\\ "
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if post_text and post_text[0] not in MARKUP_ALLOWED_SUBSEQUENT:
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post_text = "\ " + post_text
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post_text = "\\ " + post_text
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text = pre_text + tag_text + post_text
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pos = len(pre_text) + len(tag_text)
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@ -1636,9 +1636,9 @@ def format_text_block(
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# Properly escape things like `[Node]s`
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if escape_pre and pre_text and pre_text[-1] not in MARKUP_ALLOWED_PRECEDENT:
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pre_text += "\ "
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pre_text += "\\ "
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if escape_post and post_text and post_text[0] not in MARKUP_ALLOWED_SUBSEQUENT:
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post_text = "\ " + post_text
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post_text = "\\ " + post_text
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next_brac_pos = post_text.find("[", 0)
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iter_pos = 0
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@ -1646,7 +1646,7 @@ def format_text_block(
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iter_pos = post_text.find("*", iter_pos, next_brac_pos)
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if iter_pos == -1:
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break
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post_text = f"{post_text[:iter_pos]}\*{post_text[iter_pos + 1 :]}"
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post_text = f"{post_text[:iter_pos]}\\*{post_text[iter_pos + 1 :]}"
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iter_pos += 2
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iter_pos = 0
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@ -1655,7 +1655,7 @@ def format_text_block(
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if iter_pos == -1:
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break
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if not post_text[iter_pos + 1].isalnum(): # don't escape within a snake_case word
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post_text = f"{post_text[:iter_pos]}\_{post_text[iter_pos + 1 :]}"
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post_text = f"{post_text[:iter_pos]}\\_{post_text[iter_pos + 1 :]}"
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iter_pos += 2
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else:
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iter_pos += 1
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@ -1696,7 +1696,7 @@ def escape_rst(text: str, until_pos: int = -1) -> str:
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pos = text.find("*", pos, until_pos)
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if pos == -1:
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break
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text = f"{text[:pos]}\*{text[pos + 1 :]}"
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text = f"{text[:pos]}\\*{text[pos + 1 :]}"
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pos += 2
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# Escape _ character at the end of a word to avoid interpreting it as an inline hyperlink
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@ -1706,7 +1706,7 @@ def escape_rst(text: str, until_pos: int = -1) -> str:
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if pos == -1:
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break
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if not text[pos + 1].isalnum(): # don't escape within a snake_case word
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text = f"{text[:pos]}\_{text[pos + 1 :]}"
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text = f"{text[:pos]}\\_{text[pos + 1 :]}"
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pos += 2
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else:
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pos += 1
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