Fix newlines being trimmed from a MarkedString

Author: YaLTeR

src/types.rs

@@ -515,11 +515,15 @@ impl ToDisplay for lsp::MarkedString {
  fn to_display(&self) -> Vec<String> {
  match *self {
  MarkedString::String(ref s) => s.split('\n').map(|i| i.to_string()).collect(),
- MarkedString::LanguageString(ref ls) => vec![
- format!("```{}", ls.language),
- ls.value.split('\n').map(|i| i.to_string()).collect(),
- "```".to_string(),
- ],
+ MarkedString::LanguageString(ref ls) => {
+ let mut buf = Vec::new();
+
+ buf.push(format!("```{}", ls.language));
+ buf.extend(ls.value.split('\n').map(|i| i.to_string()));
+ buf.push("```".to_string());
+
+ buf
+ },
  }
  }
 }