Improved broken comment error message.

Dependencies

• [2] VDFODD2F Added line to BadIndent error.
• [3] 6ZJX2OQV First commit
• [4] K5VHGRGG Add serialization.

Change contents

• replacement in src/parser.rs at line 357
  [2.1125]→[2.1125:1175](∅→∅)
  − token_str.to_string()
  [2.1125]

  [2.1175]
  + token_str.to_string(),

  + Line::new(line),
• replacement in src/parser.rs at line 417
  [2.2187]→[2.2187:2237](∅→∅)
  − token_str.to_string()
  [2.2187]

  [2.2237]
  + token_str.to_string(),

  + Line::new(line),
• edit in src/parser.rs at line 441
  [2.2548]

  [2.2548]
  + Line::new(line),
• replacement in src/error.rs at line 77
  [3.38352]→[3.38352:38388](∅→∅)
  − IncompleteCommentOrKey(String),
  [3.38352]

  [3.38388]
  + IncompleteCommentOrKey(String, Line),
• replacement in src/error.rs at line 123
  [3.39856]→[3.39856:39917](∅→∅)
  − ErrorKind::IncompleteCommentOrKey(_) => None,
  [3.39856]

  [3.39917]
  + ErrorKind::IncompleteCommentOrKey(_, _) => None,
• replacement in src/error.rs at line 236
  [3.42740]→[3.42740:42873](∅→∅)
  − ErrorKind::IncompleteCommentOrKey(token) => {

  − write!(f, "\"{}\" is an incomplete comment or key", token)
  [3.42740]

  [3.42873]
  + ErrorKind::IncompleteCommentOrKey(token, line) => {

  + write!(

  + f,

  + "\"{}\" at line {} is an incomplete comment or key.",

  + token,

  + line,

  + )