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Remove extra newline from <pre> elements

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This commit is contained in:
miruka 2020-03-23 15:11:29 -04:00
parent a20cfcffe5
commit 3084745522
1 changed files with 8 additions and 1 deletions
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9
src/backend/html_markdown.py
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@ -369,10 +369,12 @@ class HTMLProcessor:
def _remove_extra_newlines(self, el: HtmlElement) -> HtmlElement: def _remove_extra_newlines(self, el: HtmlElement) -> HtmlElement:
"""Remove excess `\\n` characters from non-`<pre>` HTML elements. """Remove excess `\\n` characters from HTML elements.
This is done to avoid additional blank lines when the CSS directive This is done to avoid additional blank lines when the CSS directive
`white-space: pre` is used. `white-space: pre` is used.
Text inside `<pre>` tags is ignored, except for the final newlines.
""" """
pre_parent = any(parent.tag == "pre" for parent in el.iterancestors()) pre_parent = any(parent.tag == "pre" for parent in el.iterancestors())
@ -382,6 +384,11 @@ class HTMLProcessor:
el.text = self.extra_newlines_regex.sub(r"\1", el.text) el.text = self.extra_newlines_regex.sub(r"\1", el.text)
if el.tail: if el.tail:
el.tail = self.extra_newlines_regex.sub(r"\1", el.tail) el.tail = self.extra_newlines_regex.sub(r"\1", el.tail)
else:
if el.text and el.text.endswith("\n"):
el.text = el.text[:-1]
if el.tail and el.tail.endswith("\n"):
el.tail = el.tail[:-1]
return el return el