Support comments at the end of the line in diary sexp.

org_mode_samples/greater_element/plain_list/description_list_object_key.org

@@ -0,0 +1 @@
+- {{{foo(bar)}}} :: baz

org_mode_samples/lesser_element/diary_sexp/with_comment_at_end_of_line.org

@@ -0,0 +1 @@
+%%(foo bar)    ;    baz

org_mode_samples/object/text_markup/verbatim_with_equals_inside.org

@@ -0,0 +1 @@
+foo ==>bar=.

src/parser/diary_sexp.rs

@@ -1,9 +1,12 @@
 use nom::branch::alt;
 use nom::bytes::complete::tag;
+use nom::character::complete::anychar;
 use nom::character::complete::line_ending;
 use nom::character::complete::space0;
 use nom::combinator::eof;
+use nom::combinator::opt;
 use nom::combinator::recognize;
+use nom::multi::many_till;
 use nom::sequence::tuple;
 
 use super::org_source::OrgSource;
@@ -24,6 +27,11 @@ pub fn diary_sexp<'r, 's>(
     let (remaining, _clock) = tag("%%")(remaining)?;
     let (remaining, _gap_whitespace) = space0(remaining)?;
     let (remaining, _sexp) = recognize(sexp)(remaining)?;
+    let (remaining, _trailing_comment) = opt(tuple((
+        space0,
+        tag(";"),
+        many_till(anychar, alt((line_ending, eof))),
+    )))(remaining)?;
     let (remaining, _trailing_whitespace) =
         recognize(tuple((space0, alt((line_ending, eof)))))(remaining)?;
 

src/parser/org_macro.rs

@@ -1,6 +1,5 @@
 use nom::bytes::complete::tag;
 use nom::character::complete::anychar;
-use nom::character::complete::space0;
 use nom::combinator::not;
 use nom::combinator::opt;
 use nom::combinator::peek;
@@ -9,7 +8,9 @@ use nom::multi::many0;
 use nom::multi::separated_list0;
 
 use super::org_source::OrgSource;
+use super::util::maybe_consume_object_trailing_whitespace_if_not_exiting;
 use super::Context;
+use crate::error::CustomError;
 use crate::error::Res;
 use crate::parser::object::OrgMacro;
 use crate::parser::parser_with_context::parser_with_context;
@@ -25,7 +26,8 @@ pub fn org_macro<'r, 's>(
     let (remaining, macro_name) = org_macro_name(context, remaining)?;
     let (remaining, macro_args) = opt(parser_with_context!(org_macro_args)(context))(remaining)?;
     let (remaining, _) = tag("}}}")(remaining)?;
-    let (remaining, _trailing_whitespace) = space0(remaining)?;
+    let (remaining, _trailing_whitespace) =
+        maybe_consume_object_trailing_whitespace_if_not_exiting(context, remaining)?;
 
     let source = get_consumed(input, remaining);
     Ok((
@@ -86,6 +88,11 @@ fn org_macro_arg<'r, 's>(
         }
         if next_char == '\\' {
             escaping = true;
+            if peek(tag::<_, _, CustomError<_>>(")"))(new_remaining).is_ok() {
+                // Special case for backslash at the end of a macro
+                remaining = new_remaining;
+                break;
+            }
         }
         if next_char == ',' || next_char == ')' {
             break;

src/parser/text_markup.rs

@@ -277,7 +277,7 @@ pub fn pre<'r, 's>(_context: Context<'r, 's>, input: OrgSource<'s>) -> Res<OrgSo
 
 #[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
 pub fn post<'r, 's>(_context: Context<'r, 's>, input: OrgSource<'s>) -> Res<OrgSource<'s>, ()> {
-    let (remaining, _) = alt((recognize(one_of(" \r\n\t-.,;:!?')}[\">")), line_ending))(input)?;
+    let (remaining, _) = alt((recognize(one_of(" \r\n\t-.,;:!?')}[\"")), line_ending))(input)?;
     Ok((remaining, ()))
 }
 

src/parser/util.rs

@@ -68,6 +68,18 @@ pub fn element_trailing_whitespace<'s>(input: OrgSource<'s>) -> Res<OrgSource<'s
     alt((eof, recognize(many0(blank_line))))(input)
 }
 
+#[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
+pub fn maybe_consume_object_trailing_whitespace_if_not_exiting<'r, 's>(
+    context: Context<'r, 's>,
+    input: OrgSource<'s>,
+) -> Res<OrgSource<'s>, Option<OrgSource<'s>>> {
+    if exit_matcher_parser(context, input).is_err() {
+        opt(space0)(input)
+    } else {
+        Ok((input, None))
+    }
+}
+
 #[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
 pub fn maybe_consume_trailing_whitespace_if_not_exiting<'r, 's>(
     context: Context<'r, 's>,