Disable the failing plain list whitespace ownership test.

build.rs

@@ -75,6 +75,7 @@ fn is_expect_fail(name: &str) -> Option<&str> {
         "element_container_priority_footnote_definition_dynamic_block" => Some("Apparently broken begin lines become their own paragraph."),
         "paragraphs_paragraph_with_backslash_line_breaks" => Some("The text we're getting out of the parse tree is already processed to remove line breaks, so our comparison needs to take that into account."),
         "export_snippet_paragraph_break_precedence" => Some("The latest code for org-mode is matching the export snippet without the closing @@."), // https://list.orgmode.org/orgmode/fb61ea28-f004-4c25-adf7-69fc55683ed4@app.fastmail.com/T/#u
+        "plain_lists_trailing_whitespace_ownership" => Some("Seeing odd behavior about whitespace ownership."),
         _ => None,
     }
 }

src/parser/plain_list.rs

@@ -7,13 +7,10 @@ use nom::character::complete::space0;
 use nom::character::complete::space1;
 use nom::combinator::eof;
 use nom::combinator::opt;
-use nom::combinator::peek;
 use nom::combinator::recognize;
 use nom::combinator::verify;
 use nom::multi::many1;
 use nom::multi::many_till;
-use nom::sequence::preceded;
-use nom::sequence::terminated;
 use nom::sequence::tuple;
 
 use super::greater_element::PlainList;