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fix(md): drop whitespace-only lines before code block content #4543

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Merged
DanielNg0729 merged 1 commit into from
Oct 4, 2026
Merged

fix(md): drop whitespace-only lines before code block content #4543

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7 changes: 6 additions & 1 deletion docling/backend/md_backend.py
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Original file line number Diff line number Diff line change
Expand Up @@ -793,7 +793,12 @@ def _iterate_elements( # noqa: C901
and isinstance((child := element.children[0]), marko.inline.RawText)
# Drop blank lines around the code but keep the first line's
# indentation, which is part of the code.
and len(snippet_text := child.children.lstrip("\n").rstrip()) > 0
and len(
snippet_text := re.sub(
r"\A(?:[ \t]*\r?\n)+", "", child.children
).rstrip()
)
> 0
):
self._close_table(doc)
_log.debug(" - Code Block: %s", element.children)
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6 changes: 6 additions & 0 deletions tests/test_backend_markdown.py
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Original file line number Diff line number Diff line change
Expand Up @@ -257,6 +257,11 @@ def test_code_block_keeps_first_line_indentation():
"\n"
" after blank line\n"
"```\n"
"\n"
"```\n"
" \n"
" after spaces-only line\n"
"```\n"
)
conv_result = get_converter().convert_string(markdown, format=InputFormat.MD)
assert conv_result.status == ConversionStatus.SUCCESS
Expand All @@ -268,6 +273,7 @@ def test_code_block_keeps_first_line_indentation():
" key: 1\n sub:\n x: 2",
" deeper\nbase",
" after blank line",
" after spaces-only line",
]


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