# nested URL: /patitas/api/parsing/blocks/list/nested/ Section: list Description: Nested list handling for list parsing. Handles detection and parsing of nested lists within list items. --- > For a complete page index, fetch /patitas/llms.txt. Open LLM text (/patitas/api/parsing/blocks/list/nested/index.txt) Share with AI Ask Claude (https://claude.ai/new?q=Please%20help%20me%20understand%20this%20documentation%3A%20%2Fpatitas%2Fapi%2Fparsing%2Fblocks%2Flist%2Fnested%2Findex.txt) Ask ChatGPT (https://chatgpt.com/?q=Please%20help%20me%20understand%20this%20documentation%3A%20%2Fpatitas%2Fapi%2Fparsing%2Fblocks%2Flist%2Fnested%2Findex.txt) Ask Gemini (https://gemini.google.com/app?q=Please%20help%20me%20understand%20this%20documentation%3A%20%2Fpatitas%2Fapi%2Fparsing%2Fblocks%2Flist%2Fnested%2Findex.txt) Ask Copilot (https://copilot.microsoft.com/?q=Please%20help%20me%20understand%20this%20documentation%3A%20%2Fpatitas%2Fapi%2Fparsing%2Fblocks%2Flist%2Fnested%2Findex.txt) Module # `parsing.blocks.list.nested` Nested list handling for list parsing. Handles detection and parsing of nested lists within list items. 6Functions ## Functions `detect_nested_block_in_content` 3 `bool` ▼ Detect if paragraph line content is actually a nested block marker. CommonMark… `def detect_nested_block_in_content(line: str, line_indent: int, content_indent: int) -> bool` Detect if paragraph line content is actually a nested block marker. CommonMark: If the first content after a list marker is itself a block marker (list, blockquote, heading, etc.), it should be parsed as a nested block, BUT only if it's indented appropriately (not 4+ spaces beyond content indent). ##### Parameters Name Type Description `line` `str` The stripped line content `line_indent` `int` Indent of the line (from tok.line_indent) `content_indent` `int` Content indent of the current list item ##### Returns `bool` `parse_nested_list_inline` 3 `list[Block]` ▼ Parse a nested list from inline content. Used when a paragraph line turns out … `def parse_nested_list_inline(line: str, token_location: object, parser: ParserProtocol) -> list[Block]` Parse a nested list from inline content. Used when a paragraph line turns out to be a nested list marker. Configuration is automatically inherited via ContextVar—no copying needed! Thread Safety: Nested parser reads config from the same ContextVar as parent, ensuring consistent configuration without manual copying. ##### Parameters Name Type Description `line` `str` The content line that is a list marker `token_location` `object` Location of the token `parser` `ParserProtocol` The parser instance ##### Returns `list[Block]` `parse_nested_list_from_indented_code` 4 `List (/patitas/api/nodes/#List) | None` ▼ Parse a nested list from an INDENTED_CODE token, guarding nesting depth. Thin … `def parse_nested_list_from_indented_code(token: Token, original_indent: int, parent_content_indent: int, parser: ParserProtocol) -> List | None` Parse a nested list from an INDENTED_CODE token, guarding nesting depth. Thin wrapper around the implementation that bounds recursion depth. This function recurses once per deeper nested level, so adversarially deep indented-code list nesting would otherwise crash with an uncaught `RecursionError`. Raises a catchable `ParseError` (/patitas/api/errors/#ParseError) past the limit. ##### Parameters Name Type Description `token` `Token (/patitas/api/tokens/#Token)` `original_indent` `int` `parent_content_indent` `int` `parser` `ParserProtocol` ##### Returns `List (/patitas/api/nodes/#List) | None` `_parse_nested_list_from_indented_code_impl` 4 `List (/patitas/api/nodes/#List) | None` ▼ Parse a nested list from an INDENTED_CODE token containing a list marker. When… `def _parse_nested_list_from_indented_code_impl(token: Token, original_indent: int, parent_content_indent: int, parser: ParserProtocol) -> List | None` Parse a nested list from an INDENTED_CODE token containing a list marker. When the lexer produces INDENTED_CODE for 4+ space indented lines, those lines may actually be nested list markers in list context. ##### Parameters Name Type Description `token` `Token (/patitas/api/tokens/#Token)` The INDENTED_CODE token containing the list marker `original_indent` `int` The original indentation of the line in source `parent_content_indent` `int` The content indent of the parent list item `parser` `ParserProtocol` The parser instance ##### Returns `List (/patitas/api/nodes/#List) | None` `_is_sibling_marker` 5 `bool` ▼ Check if content is a sibling list marker at the expected indent. `def _is_sibling_marker(content: str, content_indent: int, expected_indent: int, ordered: bool, marker_char: str) -> bool` ##### Parameters Name Type Description `content` `str` `content_indent` `int` `expected_indent` `int` `ordered` `bool` `marker_char` `str` ##### Returns `bool` `_extract_remaining_content` 2 `str` ▼ Extract content after the list marker. `def _extract_remaining_content(content: str, ordered: bool) -> str` ##### Parameters Name Type Description `content` `str` `ordered` `bool` ##### Returns `str`