Add support for literal string blocks.

src/parser/parser.rs

@@ -27,6 +27,7 @@ use nom::IResult;
 pub enum DustTag<'a> {
     DTSpecial(Special),
     DTComment(Comment<'a>),
+    DTLiteralStringBlock(&'a str),
     DTReference(Reference<'a>),
     DTSection(Container<'a>),
     DTExists(Container<'a>),
@@ -211,6 +212,7 @@ fn dust_tag(i: &str) -> IResult<&str, DustTag> {
     alt((
         map(special, DustTag::DTSpecial),
         map(comment, DustTag::DTComment),
+        map(literal_string_block, DustTag::DTLiteralStringBlock),
         map(reference, DustTag::DTReference),
         conditional("{#", DustTag::DTSection),
         conditional("{?", DustTag::DTExists),
@@ -634,6 +636,10 @@ fn ignore_new_line_leading_whitespace(i: &str) -> IResult<&str, IgnoredWhitespac
     )(i)
 }
 
+fn literal_string_block(i: &str) -> IResult<&str, &str> {
+    delimited(tag("{`"), take_until("`}"), tag("`}"))(i)
+}
+
 /// Any text that is not a Dust element or ignored whitespace
 fn span(i: &str) -> IResult<&str, Span> {
     let (remaining, line) = verify(