Add use_brackets.

src/compare/compare_field.rs

@@ -159,3 +159,24 @@ pub(crate) fn compare_property_list_of_quoted_string<
     }
     Ok(None)
 }
+
+pub(crate) fn compare_property_boolean<'b, 's, 'x, R, RG: Fn(R) -> bool>(
+    emacs: &'b Token<'s>,
+    rust_node: R,
+    emacs_field: &'x str,
+    rust_value_getter: RG,
+) -> Result<Option<(DiffStatus, Option<String>)>, Box<dyn std::error::Error>> {
+    // get_property already converts nil to None.
+    let value = get_property(emacs, emacs_field)?.is_some();
+    let rust_value = rust_value_getter(rust_node);
+    if rust_value != value {
+        let this_status = DiffStatus::Bad;
+        let message = Some(format!(
+            "{} mismatch (emacs != rust) {:?} != {:?}",
+            emacs_field, value, rust_value
+        ));
+        Ok(Some((this_status, message)))
+    } else {
+        Ok(None)
+    }
+}

src/compare/diff.rs

@@ -7,6 +7,7 @@ use std::collections::HashSet;
 use super::compare_field::compare_identity;
 use super::compare_field::compare_noop;
 use super::compare_field::compare_property_always_nil;
+use super::compare_field::compare_property_boolean;
 use super::compare_field::compare_property_list_of_quoted_string;
 use super::compare_field::compare_property_quoted_string;
 use super::compare_field::compare_property_unquoted_atom;
@@ -3129,38 +3130,39 @@ fn compare_entity<'b, 's>(
         ),
         (
             EmacsField::Required(":latex"),
-            compare_identity,
-            compare_noop
+            |r| Some(r.latex),
+            compare_property_quoted_string
         ),
         (
             EmacsField::Required(":latex-math-p"),
-            compare_identity,
-            compare_noop
+            |r| r.latex_math_mode,
+            compare_property_boolean
         ),
         (
             EmacsField::Required(":html"),
-            compare_identity,
-            compare_noop
+            |r| Some(r.html),
+            compare_property_quoted_string
         ),
         (
             EmacsField::Required(":ascii"),
-            compare_identity,
-            compare_noop
+            |r| Some(r.ascii),
+            compare_property_quoted_string
         ),
         (
+            // latin1... like I give a shit.
             EmacsField::Required(":latin1"),
             compare_identity,
             compare_noop
         ),
         (
             EmacsField::Required(":utf-8"),
-            compare_identity,
-            compare_noop
+            |r| Some(r.utf8),
+            compare_property_quoted_string
         ),
         (
             EmacsField::Required(":use-brackets-p"),
-            compare_identity,
-            compare_noop
+            |r| r.use_brackets,
+            compare_property_boolean
         )
     )? {
         this_status = new_status;

src/parser/entity.rs

@@ -2,6 +2,7 @@ use nom::branch::alt;
 use nom::bytes::complete::tag;
 use nom::character::complete::satisfy;
 use nom::combinator::eof;
+use nom::combinator::map;
 use nom::combinator::peek;
 use nom::combinator::recognize;
 use nom::sequence::tuple;
@@ -22,7 +23,7 @@ pub(crate) fn entity<'b, 'g, 'r, 's>(
     input: OrgSource<'s>,
 ) -> Res<OrgSource<'s>, Entity<'s>> {
     let (remaining, _) = tag("\\")(input)?;
-    let (remaining, (entity_definition, entity_name)) = name(context, remaining)?;
+    let (remaining, (entity_definition, entity_name, use_brackets)) = name(context, remaining)?;
 
     let (remaining, _trailing_whitespace) =
         maybe_consume_object_trailing_whitespace_if_not_exiting(context, remaining)?;
@@ -38,6 +39,7 @@ pub(crate) fn entity<'b, 'g, 'r, 's>(
             html: entity_definition.html,
             ascii: entity_definition.ascii,
             utf8: entity_definition.utf8,
+            use_brackets,
         },
     ))
 }
@@ -46,15 +48,18 @@ pub(crate) fn entity<'b, 'g, 'r, 's>(
 fn name<'b, 'g, 'r, 's>(
     context: RefContext<'b, 'g, 'r, 's>,
     input: OrgSource<'s>,
-) -> Res<OrgSource<'s>, (&'g EntityDefinition<'s>, OrgSource<'s>)> {
+) -> Res<OrgSource<'s>, (&'g EntityDefinition<'s>, OrgSource<'s>, bool)> {
     for entity in context.get_global_settings().entities {
         let result = tuple((
             tag::<_, _, CustomError<_>>(entity.name),
-            alt((tag("{}"), peek(recognize(entity_end)))),
+            alt((
+                map(tag("{}"), |_| true),
+                map(peek(recognize(entity_end)), |_| false),
+            )),
         ))(input);
         match result {
-            Ok((remaining, (ent, _))) => {
-                return Ok((remaining, (entity, ent)));
+            Ok((remaining, (ent, use_brackets))) => {
+                return Ok((remaining, (entity, ent, use_brackets)));
             }
             Err(_) => {}
         }

src/types/object.rs

@@ -174,6 +174,7 @@ pub struct Entity<'s> {
     pub ascii: &'s str,
     // Skipping latin1 because it is detrimental to the future. If anyone out there is using latin1, take a long look in the mirror and change your ways.
     pub utf8: &'s str,
+    pub use_brackets: bool,
 }
 
 #[derive(Debug, PartialEq)]