Concatenate paragraph text from root. Mirrors _extract_text_content: each w:p becomes the join of its descendant w:t text values, and only non-empty paragraphs are emitted (joined by '\n').
root
_extract_text_content
w:p
w:t
Concatenate paragraph text from
root. Mirrors_extract_text_content: eachw:pbecomes the join of its descendantw:ttext values, and only non-empty paragraphs are emitted (joined by '\n').