No measurable performance improvement with native builds over LTO release builds.

Leaving the code for this commented out because it involved an unstable cargo feature without showing any benefit. I would like to revisit this later.

Cargo.toml

@@ -1,3 +1,5 @@
+# cargo-features = ["profile-rustflags"]
+
 [package]
 name = "organic"
 version = "0.1.10"
@@ -64,6 +66,13 @@ inherits = "release"
 lto = true
 strip = "symbols"
 
+# Optimized build for local execution.
+# [profile.native]
+# inherits = "release"
+# lto = true
+# strip = "symbols"
+# rustflags = ["-C", "target-cpu=native"]
+
 # Profile for performance testing with the "perf" tool. Notably keeps debug enabled and does not strip symbols to make reading the perf output easier.
 [profile.perf]
 inherits = "release"

notes/affiliated_keyword_investigation/analysis.org

@@ -0,0 +1,42 @@
+* Elisp Structure
+| Keyword | Single        | Double        | Single Optval | Double Optval |
+|---------+---------------+---------------+---------------+---------------|
+| CAPTION | objtree       | objtree       | objtree       | objtree       |
+| DATA    | quoted(:name) | quoted(:name) | -             | -             |
+| HEADER  | list(quoted)  | list(quoted)  | -             | -             |
+| NAME    | quoted(:name) | quoted(:name) | -             | -             |
+| PLOT    | quoted(:plot) | quoted(:plot) | -             | -             |
+| RESULTS | optional pair | optional pair | optional pair | optional pair |
+* types
+** objtree
+Outer list: 1 per keyword
+next list: first entry = list of objects for value. remaining entries = optval
+** list(quoted)
+List of quoted strings, 1 per keyword
+** quoted(NAME)
+Quoted string under the NAME property (for example quoted(:name))
+** optional pair
+When optval is supplied this is an alist with the field value being the real value and the 3nd value being the optval.
+#+begin_src elisp
+  ("*f*" . "*bar*")
+#+end_src
+
+When optval is not supplied this is a list containing a single string of the last occurrence of this keyword.
+#+begin_src elisp
+  ("*c*")
+#+end_src
+* Default settings
+#+begin_src text
+  org-element-dual-keywords ("CAPTION" "RESULTS")
+  org-element-parsed-keywords ("CAPTION")
+  org-element-multiple-keywords ("CAPTION" "HEADER")
+  org-babel-results-keyword "RESULTS"
+#+end_src
+* Analysis
+We don't have an example of a parsed non-dual keyword
+
+Looks like multiple triggers list 1 per keyword
+
+dual triggers support for optval
+
+parsed triggers objects

notes/affiliated_keyword_investigation/run_test.bash

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+#
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+file_path="${DIR}/test_document.org"
+
+for TARGET_VARIABLE in RESULTS CAPTION HEADER DATA NAME PLOT; do
+    INIT_SCRIPT=$(cat <<EOF
+(progn
+     (erase-buffer)
+     (require 'org)
+     (defun org-table-align () t)
+     (setq vc-handled-backends nil)
+     (find-file "/input/${file_path}")
+     (org-mode)
+     (replace-regexp-in-region "foo" "${TARGET_VARIABLE}")
+     (message "%s" (pp-to-string (org-element-parse-buffer)))
+)
+EOF
+               )
+    docker run --init --rm -i --mount type=tmpfs,destination=/tmp -v "/:/input:ro" -w /input --entrypoint "" organic-test emacs -q --no-site-file --no-splash --batch --eval "$INIT_SCRIPT" 2> "${DIR}/${TARGET_VARIABLE}"
+done
+
+# exec docker run --init --rm -i -t --mount type=tmpfs,destination=/tmp -v "/:/input:ro" -w /input --entrypoint "" organic-test emacs -q --no-site-file --no-splash --eval "$INIT_SCRIPT"
+
+# org-element-dual-keywords ("CAPTION" "RESULTS")
+# org-element-parsed-keywords ("CAPTION")
+# org-element-multiple-keywords ("CAPTION" "HEADER")
+# org-babel-results-keyword "RESULTS"

notes/affiliated_keyword_investigation/test_document.org

@@ -0,0 +1,25 @@
+# Single instance
+#+foo: *a*
+#+begin_example
+
+#+end_example
+
+# Two instances
+#+foo: *b*
+#+foo: *c*
+#+begin_example
+
+#+end_example
+
+# Single with optval
+#+foo[*bar*]: *d*
+#+begin_example
+
+#+end_example
+
+# Two with optval
+#+foo[*bar*]: *e*
+#+foo[*bar*]: *f*
+#+begin_example
+
+#+end_example

org_mode_samples/greater_element/property_drawer/headline/planning_before_property_drawer.org

@@ -0,0 +1,7 @@
+** Foo
+DEADLINE: <2023-10-16 Mon>
+:PROPERTIES:
+:foo:   *a*
+:Bar:   *b*
+:BAZ:   *c*
+:END:

org_mode_samples/lesser_element/lesser_block/example/affiliated_keyword_dual_value.org

@@ -0,0 +1,16 @@
+#+results[foo]: bar
+#+results[lorem]: ipsum
+#+begin_example
+baz
+#+end_example
+
+#+caption[lorem]: ipsum
+#+caption[foo]: bar
+#+begin_example
+baz
+#+end_example
+
+#+header[foo]: bar
+#+begin_example
+baz
+#+end_example

src/compare/compare_field.rs

@@ -16,7 +16,6 @@ use super::util::get_property_unquoted_atom;
 use crate::types::AstNode;
 use crate::types::CharOffsetInLine;
 use crate::types::LineNumber;
-use crate::types::Object;
 use crate::types::RetainLabels;
 use crate::types::SwitchNumberLines;
 
@@ -288,6 +287,107 @@ pub(crate) fn compare_property_set_of_quoted_string<
     Ok(ComparePropertiesResult::NoChange)
 }
 
+pub(crate) fn compare_property_optional_pair<
+    'b,
+    's,
+    'x,
+    R,
+    RV: AsRef<str> + std::fmt::Debug,
+    ROV: AsRef<str> + std::fmt::Debug,
+    RG: Fn(R) -> Option<(Option<ROV>, RV)>,
+>(
+    _source: &'s str,
+    emacs: &'b Token<'s>,
+    rust_node: R,
+    emacs_field: &'x str,
+    rust_value_getter: RG,
+) -> Result<ComparePropertiesResult<'b, 's>, Box<dyn std::error::Error>> {
+    let value = get_property(emacs, emacs_field)?
+        .map(Token::as_list)
+        .map_or(Ok(None), |r| r.map(Some))?;
+    let rust_value = rust_value_getter(rust_node);
+    match (value, &rust_value) {
+        (None, None) => {}
+        (None, Some(_)) | (Some(_), None) => {
+            let this_status = DiffStatus::Bad;
+            let message = Some(format!(
+                "{} mismatch (emacs != rust) {:?} != {:?}",
+                emacs_field, value, rust_value
+            ));
+            return Ok(ComparePropertiesResult::SelfChange(this_status, message));
+        }
+        (Some(el), Some((Some(_), _))) if el.len() != 3 => {
+            let this_status = DiffStatus::Bad;
+            let message = Some(format!(
+                "{} mismatch (emacs != rust) {:?} != {:?}",
+                emacs_field, value, rust_value
+            ));
+            return Ok(ComparePropertiesResult::SelfChange(this_status, message));
+        }
+        (Some(el), Some((None, _))) if el.len() != 1 => {
+            let this_status = DiffStatus::Bad;
+            let message = Some(format!(
+                "{} mismatch (emacs != rust) {:?} != {:?}",
+                emacs_field, value, rust_value
+            ));
+            return Ok(ComparePropertiesResult::SelfChange(this_status, message));
+        }
+        (Some(el), Some((Some(orl), rl))) => {
+            let e = el
+                .first()
+                .map(Token::as_atom)
+                .map_or(Ok(None), |r| r.map(Some))?
+                .map(unquote)
+                .map_or(Ok(None), |r| r.map(Some))?
+                .expect("Above match proved length to be 3.");
+            let oe = el
+                .get(2)
+                .map(Token::as_atom)
+                .map_or(Ok(None), |r| r.map(Some))?
+                .map(unquote)
+                .map_or(Ok(None), |r| r.map(Some))?
+                .expect("Above match proved length to be 3.");
+            let r = rl.as_ref();
+            let or = orl.as_ref();
+            if e != r {
+                let this_status = DiffStatus::Bad;
+                let message = Some(format!(
+                    "{} mismatch (emacs != rust) {:?} != {:?}. Full list: {:?} != {:?}",
+                    emacs_field, e, r, value, rust_value
+                ));
+                return Ok(ComparePropertiesResult::SelfChange(this_status, message));
+            }
+            if oe != or {
+                let this_status = DiffStatus::Bad;
+                let message = Some(format!(
+                    "{} mismatch (emacs != rust) {:?} != {:?}. Full list: {:?} != {:?}",
+                    emacs_field, e, r, value, rust_value
+                ));
+                return Ok(ComparePropertiesResult::SelfChange(this_status, message));
+            }
+        }
+        (Some(el), Some((None, rl))) => {
+            let e = el
+                .first()
+                .map(Token::as_atom)
+                .map_or(Ok(None), |r| r.map(Some))?
+                .map(unquote)
+                .map_or(Ok(None), |r| r.map(Some))?
+                .expect("Above match proved length to be 1.");
+            let r = rl.as_ref();
+            if e != r {
+                let this_status = DiffStatus::Bad;
+                let message = Some(format!(
+                    "{} mismatch (emacs != rust) {:?} != {:?}. Full list: {:?} != {:?}",
+                    emacs_field, e, r, value, rust_value
+                ));
+                return Ok(ComparePropertiesResult::SelfChange(this_status, message));
+            }
+        }
+    }
+    Ok(ComparePropertiesResult::NoChange)
+}
+
 pub(crate) fn compare_property_boolean<'b, 's, 'x, R, RG: Fn(R) -> bool>(
     _source: &'s str,
     emacs: &'b Token<'s>,
@@ -412,118 +512,133 @@ where
     Ok(ComparePropertiesResult::NoChange)
 }
 
-/// Special compare used for affiliate keywords that are parsed as objects.
+pub(crate) fn compare_property_object_tree<
-///
-/// Org-mode seems to store these as a 3-deep list:
-///   - Outer list with 1 element per #+caption keyword (or other parsed keyword).
-///   - Middle list which has:
-///     - first element is a list of objects representing the value after the colon.
-///     - every additional element is a list of objects from inside the square brackets (the optional value).
-pub(crate) fn compare_property_list_of_list_of_list_of_ast_nodes<
     'b,
     's,
     'x,
     R,
-    RG: Fn(R) -> Option<&'b Vec<(Option<Vec<Object<'s>>>, Vec<Object<'s>>)>>,
+    RV: std::fmt::Debug + 'b,
+    ROV: std::fmt::Debug + 'b,
+    RI: Iterator<Item = &'b (Option<Vec<ROV>>, Vec<RV>)> + ExactSizeIterator + std::fmt::Debug,
+    RG: Fn(R) -> Option<RI>,
 >(
     source: &'s str,
     emacs: &'b Token<'s>,
     rust_node: R,
     emacs_field: &'x str,
     rust_value_getter: RG,
-) -> Result<ComparePropertiesResult<'b, 's>, Box<dyn std::error::Error>> {
+) -> Result<ComparePropertiesResult<'b, 's>, Box<dyn std::error::Error>>
-    // TODO: Replace Object<'s> with generics. I hard-coded Object in to make lifetimes easier.
+where
-    let rust_value = rust_value_getter(rust_node);
+    AstNode<'b, 's>: From<&'b RV>,
+    AstNode<'b, 's>: From<&'b ROV>,
+{
     let value = get_property(emacs, emacs_field)?
         .map(Token::as_list)
         .map_or(Ok(None), |r| r.map(Some))?;
-    let (value, rust_value) = match (value, rust_value) {
+    let rust_value = rust_value_getter(rust_node);
+    let (outer_emacs_list, outer_rust_list) = match (value, rust_value) {
         (None, None) => {
             return Ok(ComparePropertiesResult::NoChange);
         }
-        (None, Some(_)) | (Some(_), None) => {
+        (None, rv @ Some(_)) | (Some(_), rv @ None) => {
             let this_status = DiffStatus::Bad;
             let message = Some(format!(
                 "{} mismatch (emacs != rust) {:?} != {:?}",
-                emacs_field, value, rust_value
+                emacs_field, value, rv
             ));
             return Ok(ComparePropertiesResult::SelfChange(this_status, message));
         }
-        (Some(value), Some(rust_value)) if value.len() != rust_value.len() => {
+        (Some(el), Some(rl)) if el.len() != rl.len() => {
             let this_status = DiffStatus::Bad;
             let message = Some(format!(
                 "{} mismatch (emacs != rust) {:?} != {:?}",
-                emacs_field, value, rust_value
+                emacs_field, el, rl
             ));
             return Ok(ComparePropertiesResult::SelfChange(this_status, message));
         }
-        (Some(value), Some(rust_value)) => (value, rust_value),
+        (Some(el), Some(rl)) => (el, rl),
     };
+    let mut full_status: Vec<DiffEntry<'b, 's>> = Vec::with_capacity(outer_rust_list.len());
 
-    let mut full_status: Vec<DiffEntry<'b, 's>> = Vec::with_capacity(rust_value.len());
+    for (kw_e, kw_r) in outer_emacs_list.into_iter().zip(outer_rust_list) {
-
+        let kw_e = kw_e.as_list()?;
-    // Iterate the outer lists
+        let child_status_length = kw_r.1.len() + kw_r.0.as_ref().map(|opt| opt.len()).unwrap_or(0);
-    for (value, (rust_optional, rust_value)) in value.iter().zip(rust_value.iter()) {
+        let mut child_status: Vec<DiffEntry<'b, 's>> = Vec::with_capacity(child_status_length);
-        let mut middle_value = value.as_list()?.iter();
+        if let Some(or) = &kw_r.0 {
-        // First element of middle list is the mandatory value (the value past the colon).
+            // if optional value
-        let mandatory_value = middle_value.next();
+            let mut kw_e = kw_e.into_iter();
-        let mandatory_value = match mandatory_value {
+            // First element is a list representing the mandatory value.
-            Some(mandatory_value) => mandatory_value,
+            if let Some(val_e) = kw_e.next() {
-            None => {
+                let el = val_e.as_list()?;
+                if el.len() != kw_r.1.len() {
                     let this_status = DiffStatus::Bad;
                     let message = Some(format!(
                         "{} mismatch (emacs != rust) {:?} != {:?}",
-                    emacs_field, value, rust_value
+                        emacs_field, kw_e, kw_r
                     ));
                     return Ok(ComparePropertiesResult::SelfChange(this_status, message));
                 }
-        };
+                for (e, r) in el.into_iter().zip(kw_r.1.iter()) {
-
-        // Compare optional value
-        if let Some(rust_optional) = rust_optional {
-            let mut child_status: Vec<DiffEntry<'b, 's>> = Vec::with_capacity(rust_value.len());
-            if rust_optional.len() != middle_value.len() {
-                let this_status = DiffStatus::Bad;
-                let message = Some(format!(
-                    "{} optional value length mismatch (emacs != rust) {} != {} | {:?}",
-                    emacs_field,
-                    middle_value.len(),
-                    rust_optional.len(),
-                    rust_optional
-                ));
-                return Ok(ComparePropertiesResult::SelfChange(this_status, message));
-            }
-            for (e, r) in middle_value.zip(rust_optional) {
                     child_status.push(compare_ast_node(source, e, r.into())?);
                 }
-            if !child_status.is_empty() {
+            } else {
-                let diff_scope = artificial_diff_scope("optional value", child_status)?;
-                full_status.push(diff_scope);
-            }
-        }
-
-        // Compare mandatory value
-        let mut child_status: Vec<DiffEntry<'b, 's>> = Vec::with_capacity(rust_value.len());
-        let mandatory_value = mandatory_value.as_list()?;
-        if rust_value.len() != mandatory_value.len() {
                 let this_status = DiffStatus::Bad;
                 let message = Some(format!(
-                "{} mandatory value length mismatch (emacs != rust) {} != {} | {:?}",
+                    "{} mismatch (emacs != rust) {:?} != {:?}",
-                emacs_field,
+                    emacs_field, kw_e, kw_r
-                mandatory_value.len(),
-                rust_value.len(),
-                rust_value
                 ));
                 return Ok(ComparePropertiesResult::SelfChange(this_status, message));
             }
-        for (e, r) in mandatory_value.iter().zip(rust_value) {
+            // Remaining elements are the optional value.
+            if kw_e.len() != or.len() {
+                let this_status = DiffStatus::Bad;
+                let message = Some(format!(
+                    "{} mismatch (emacs != rust) {:?} != {:?}",
+                    emacs_field, kw_e, kw_r
+                ));
+                return Ok(ComparePropertiesResult::SelfChange(this_status, message));
+            }
+            for (e, r) in kw_e.zip(or.iter()) {
                 child_status.push(compare_ast_node(source, e, r.into())?);
             }
+        } else {
+            // if no optional value
+            if !kw_e.len() == 1 {
+                let this_status = DiffStatus::Bad;
+                let message = Some(format!(
+                    "{} mismatch (emacs != rust) {:?} != {:?}",
+                    emacs_field, kw_e, kw_r
+                ));
+                return Ok(ComparePropertiesResult::SelfChange(this_status, message));
+            }
+
+            let e = kw_e
+                .first()
+                .map(Token::as_list)
+                .map_or(Ok(None), |r| r.map(Some))?
+                .expect("The above if-statement proves this will be Some.")
+                .iter();
+            let r = kw_r.1.iter();
+
+            if e.len() != r.len() {
+                let this_status = DiffStatus::Bad;
+                let message = Some(format!(
+                    "{} mismatch (emacs != rust) {:?} != {:?}",
+                    emacs_field, kw_e, kw_r
+                ));
+                return Ok(ComparePropertiesResult::SelfChange(this_status, message));
+            }
+
+            for (e, r) in e.zip(r) {
+                child_status.push(compare_ast_node(source, e, r.into())?);
+            }
+        }
         if !child_status.is_empty() {
             let diff_scope = artificial_diff_scope("mandatory value", child_status)?;
             full_status.push(diff_scope);
         }
     }
+
     if full_status.is_empty() {
         Ok(ComparePropertiesResult::NoChange)
     } else {

src/compare/util.rs

@@ -1,7 +1,8 @@
 use std::str::FromStr;
 
-use super::compare_field::compare_property_list_of_list_of_list_of_ast_nodes;
 use super::compare_field::compare_property_list_of_quoted_string;
+use super::compare_field::compare_property_object_tree;
+use super::compare_field::compare_property_optional_pair;
 use super::compare_field::compare_property_quoted_string;
 use super::compare_field::ComparePropertiesResult;
 use super::diff::DiffEntry;
@@ -376,13 +377,23 @@ where
                 )?;
                 ret.push(diff);
             }
-            AffiliatedKeywordValue::ListOfListsOfObjects(rust_value) => {
+            AffiliatedKeywordValue::OptionalPair { optval, val } => {
-                let diff = compare_property_list_of_list_of_list_of_ast_nodes(
+                let diff = compare_property_optional_pair(
                     source,
                     emacs,
                     rust,
                     emacs_property_name.as_str(),
-                    |_| Some(rust_value),
+                    |_| Some((*optval, *val)),
+                )?;
+                ret.push(diff);
+            }
+            AffiliatedKeywordValue::ObjectTree(rust_value) => {
+                let diff = compare_property_object_tree(
+                    source,
+                    emacs,
+                    rust,
+                    emacs_property_name.as_str(),
+                    |_| Some(rust_value.iter()),
                 )?;
                 ret.push(diff);
             }

src/parser/affiliated_keyword.rs

@@ -35,28 +35,46 @@ where
     let mut ret = BTreeMap::new();
     for kw in input {
         let translated_name = translate_name(global_settings, kw.key);
-        if is_single_string_keyword(global_settings, translated_name.as_str()) {
+        let keyword_type = identify_keyword_type(global_settings, translated_name.as_str());
+        match keyword_type {
+            AffiliatedKeywordType::SingleString => {
                 ret.insert(
                     translated_name,
                     AffiliatedKeywordValue::SingleString(kw.value),
                 );
-        } else if is_list_of_single_string_keyword(global_settings, translated_name.as_str()) {
-            let list_of_strings = ret
-                .entry(translated_name)
-                .or_insert_with(|| AffiliatedKeywordValue::ListOfStrings(Vec::with_capacity(1)));
-            match list_of_strings {
-                AffiliatedKeywordValue::ListOfStrings(list_of_strings)
-                    if list_of_strings.is_empty() =>
-                {
-                    list_of_strings.push(kw.value);
             }
+            AffiliatedKeywordType::ListOfStrings => {
+                let list_of_strings = ret.entry(translated_name).or_insert_with(|| {
+                    AffiliatedKeywordValue::ListOfStrings(Vec::with_capacity(1))
+                });
+                match list_of_strings {
                     AffiliatedKeywordValue::ListOfStrings(list_of_strings) => {
-                    list_of_strings.clear();
                         list_of_strings.push(kw.value);
                     }
                     _ => panic!("Invalid AffiliatedKeywordValue type."),
                 }
-        } else if is_list_of_objects_keyword(global_settings, translated_name.as_str()) {
+            }
+            AffiliatedKeywordType::OptionalPair => {
+                let (_remaining, optional_string) = opt(all_consuming(map(
+                    tuple((
+                        take_until::<_, &str, nom::error::Error<_>>("["),
+                        tag("["),
+                        recognize(many_till(anychar, peek(tuple((tag("]"), eof))))),
+                        tag("]"),
+                        eof,
+                    )),
+                    |(_, _, objects, _, _)| objects,
+                )))(kw.key.into())
+                .expect("Parser should always succeed.");
+                ret.insert(
+                    translated_name,
+                    AffiliatedKeywordValue::OptionalPair {
+                        optval: optional_string,
+                        val: kw.value,
+                    },
+                );
+            }
+            AffiliatedKeywordType::ObjectTree => {
                 let initial_context = ContextElement::document_context();
                 let initial_context = Context::new(global_settings, List::new(&initial_context));
 
@@ -80,30 +98,23 @@ where
                 .expect("Object parser should always succeed.");
 
                 // TODO: This should be omitting footnote references
-            let (_remaining, objects) = all_consuming(many0(parser_with_context!(
+                let (_remaining, objects) =
-                standard_set_object
+                    all_consuming(many0(parser_with_context!(standard_set_object)(
-            )(&initial_context)))(kw.value.into())
+                        &initial_context,
+                    )))(kw.value.into())
                     .expect("Object parser should always succeed.");
-            let list_of_lists = ret.entry(translated_name).or_insert_with(|| {
+
-                AffiliatedKeywordValue::ListOfListsOfObjects(Vec::with_capacity(1))
+                let entry_per_keyword_list = ret
-            });
-            match list_of_lists {
-                AffiliatedKeywordValue::ListOfListsOfObjects(list_of_lists) => {
-                    list_of_lists.push((optional_objects, objects));
-                }
-                _ => panic!("Invalid AffiliatedKeywordValue type."),
-            }
-        } else {
-            let list_of_strings = ret
                     .entry(translated_name)
-                .or_insert_with(|| AffiliatedKeywordValue::ListOfStrings(Vec::with_capacity(1)));
+                    .or_insert_with(|| AffiliatedKeywordValue::ObjectTree(Vec::with_capacity(1)));
-            match list_of_strings {
+                match entry_per_keyword_list {
-                AffiliatedKeywordValue::ListOfStrings(list_of_strings) => {
+                    AffiliatedKeywordValue::ObjectTree(entry_per_keyword_list) => {
-                    list_of_strings.push(kw.value);
+                        entry_per_keyword_list.push((optional_objects, objects));
                     }
                     _ => panic!("Invalid AffiliatedKeywordValue type."),
                 }
             }
+        };
     }
     AffiliatedKeywords { keywords: ret }
 }
@@ -121,40 +132,37 @@ fn translate_name<'g, 's>(global_settings: &'g GlobalSettings<'g, 's>, name: &'s
     name_until_optval.to_lowercase()
 }
 
-fn is_single_string_keyword<'g, 's>(
+enum AffiliatedKeywordType {
-    _global_settings: &'g GlobalSettings<'g, 's>,
+    SingleString,
-    name: &'s str,
+    ListOfStrings,
-) -> bool {
+    OptionalPair,
-    // TODO: Is this defined by an elisp variable?
+    ObjectTree,
-    for single_string_name in ["plot", "name"] {
-        if name.eq_ignore_ascii_case(single_string_name) {
-            return true;
-        }
-    }
-    false
 }
 
-fn is_list_of_single_string_keyword<'g, 's>(
+fn identify_keyword_type<'g, 's>(
-    _global_settings: &'g GlobalSettings<'g, 's>,
-    name: &'s str,
-) -> bool {
-    // TODO: Is this defined by an elisp variable?
-    for single_string_name in ["results"] {
-        if name.eq_ignore_ascii_case(single_string_name) {
-            return true;
-        }
-    }
-    false
-}
-
-fn is_list_of_objects_keyword<'g, 's>(
     global_settings: &'g GlobalSettings<'g, 's>,
     name: &'s str,
-) -> bool {
+) -> AffiliatedKeywordType {
-    for parsed_keyword in global_settings.element_parsed_keywords {
+    let is_multiple = ["CAPTION", "HEADER"]
-        if name.eq_ignore_ascii_case(parsed_keyword) {
+        .into_iter()
-            return true;
+        .any(|candidate| name.eq_ignore_ascii_case(candidate))
+        || name.to_lowercase().starts_with("attr_");
+    let is_parsed = global_settings
+        .element_parsed_keywords
+        .iter()
+        .any(|candidate| name.eq_ignore_ascii_case(candidate));
+    let can_have_optval = global_settings
+        .element_dual_keywords
+        .iter()
+        .any(|candidate| name.eq_ignore_ascii_case(candidate));
+    match (is_multiple, is_parsed, can_have_optval) {
+        (true, true, true) => AffiliatedKeywordType::ObjectTree,
+        (true, true, false) => unreachable!("Nothing like this exists in upstream org-mode."),
+        (true, false, true) => unreachable!("Nothing like this exists in upstream org-mode."),
+        (true, false, false) => AffiliatedKeywordType::ListOfStrings,
+        (false, true, true) => unreachable!("Nothing like this exists in upstream org-mode."),
+        (false, true, false) => unreachable!("Nothing like this exists in upstream org-mode."),
+        (false, false, true) => AffiliatedKeywordType::OptionalPair,
+        (false, false, false) => AffiliatedKeywordType::SingleString,
     }
 }
-    false
-}

src/parser/diary_sexp.rs

@@ -1,11 +1,9 @@
 use nom::bytes::complete::is_not;
 use nom::bytes::complete::tag;
 use nom::combinator::recognize;
-use nom::multi::many0;
 use nom::sequence::tuple;
 
 use super::affiliated_keyword::parse_affiliated_keywords;
-use super::keyword::affiliated_keyword;
 use super::org_source::OrgSource;
 use super::util::maybe_consume_trailing_whitespace_if_not_exiting;
 use super::util::org_line_ending;
@@ -49,9 +47,19 @@ where
     ))
 }
 
-#[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
+#[cfg_attr(
-pub(crate) fn detect_diary_sexp<'s>(input: OrgSource<'s>) -> Res<OrgSource<'s>, ()> {
+    feature = "tracing",
-    let (input, _) = many0(affiliated_keyword)(input)?;
+    tracing::instrument(ret, level = "debug", skip(_context, _affiliated_keywords))
-    tuple((start_of_line, tag("%%(")))(input)?;
+)]
+pub(crate) fn detect_diary_sexp<'b, 'g, 'r, 's, AK>(
+    _affiliated_keywords: AK,
+    remaining: OrgSource<'s>,
+    _context: RefContext<'b, 'g, 'r, 's>,
+    input: OrgSource<'s>,
+) -> Res<OrgSource<'s>, ()>
+where
+    AK: IntoIterator<Item = Keyword<'s>>,
+{
+    tuple((start_of_line, tag("%%(")))(remaining)?;
     Ok((input, ()))
 }

src/parser/element_parser.rs

@@ -1,4 +1,3 @@
-use nom::branch::alt;
 use nom::multi::many0;
 
 use super::babel_call::babel_call;
@@ -56,7 +55,8 @@ fn _element<'b, 'g, 'r, 's>(
     input: OrgSource<'s>,
     can_be_paragraph: bool,
 ) -> Res<OrgSource<'s>, Element<'s>> {
-    let (post_affiliated_keywords_input, affiliated_keywords) = many0(affiliated_keyword)(input)?;
+    let (post_affiliated_keywords_input, affiliated_keywords) =
+        many0(parser_with_context!(affiliated_keyword)(context))(input)?;
 
     let mut affiliated_keywords = affiliated_keywords.into_iter();
 
@@ -272,22 +272,60 @@ fn _detect_element<'b, 'g, 'r, 's>(
     input: OrgSource<'s>,
     can_be_paragraph: bool,
 ) -> Res<OrgSource<'s>, ()> {
-    if alt((
+    let (post_affiliated_keywords_input, affiliated_keywords) =
-        parser_with_context!(detect_plain_list)(context),
+        many0(parser_with_context!(affiliated_keyword)(context))(input)?;
+
+    let mut affiliated_keywords = affiliated_keywords.into_iter();
+
+    ak_element!(
+        detect_plain_list,
+        &mut affiliated_keywords,
+        post_affiliated_keywords_input,
+        context,
+        input
+    );
+
+    ak_element!(
         detect_footnote_definition,
+        &mut affiliated_keywords,
+        post_affiliated_keywords_input,
+        context,
+        input
+    );
+
+    ak_element!(
         detect_diary_sexp,
-        detect_comment,
+        &mut affiliated_keywords,
-        detect_fixed_width_area,
+        post_affiliated_keywords_input,
-        detect_table,
+        context,
-    ))(input)
+        input
-    .is_ok()
+    );
-    {
+
+    if let Ok((_, _)) = detect_comment(input) {
         return Ok((input, ()));
     }
+
+    ak_element!(
+        detect_fixed_width_area,
+        &mut affiliated_keywords,
+        post_affiliated_keywords_input,
+        context,
+        input
+    );
+
+    ak_element!(
+        detect_table,
+        &mut affiliated_keywords,
+        post_affiliated_keywords_input,
+        context,
+        input
+    );
+
     if _element(context, input, can_be_paragraph).is_ok() {
         return Ok((input, ()));
     }
-    return Err(nom::Err::Error(CustomError::MyError(MyError(
+
+    Err(nom::Err::Error(CustomError::MyError(MyError(
         "No element detected.".into(),
-    ))));
+    ))))
 }

src/parser/fixed_width_area.rs

@@ -10,7 +10,6 @@ use nom::sequence::preceded;
 use nom::sequence::tuple;
 
 use super::affiliated_keyword::parse_affiliated_keywords;
-use super::keyword::affiliated_keyword;
 use super::org_source::OrgSource;
 use super::util::maybe_consume_trailing_whitespace_if_not_exiting;
 use super::util::org_line_ending;
@@ -89,14 +88,24 @@ fn fixed_width_area_line<'b, 'g, 'r, 's>(
     Ok((remaining, value))
 }
 
-#[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
+#[cfg_attr(
-pub(crate) fn detect_fixed_width_area<'s>(input: OrgSource<'s>) -> Res<OrgSource<'s>, ()> {
+    feature = "tracing",
-    let (input, _) = many0(affiliated_keyword)(input)?;
+    tracing::instrument(ret, level = "debug", skip(_context, _affiliated_keywords))
+)]
+pub(crate) fn detect_fixed_width_area<'b, 'g, 'r, 's, AK>(
+    _affiliated_keywords: AK,
+    remaining: OrgSource<'s>,
+    _context: RefContext<'b, 'g, 'r, 's>,
+    input: OrgSource<'s>,
+) -> Res<OrgSource<'s>, ()>
+where
+    AK: IntoIterator<Item = Keyword<'s>>,
+{
     tuple((
         start_of_line,
         space0,
         tag(":"),
         alt((tag(" "), org_line_ending)),
-    ))(input)?;
+    ))(remaining)?;
     Ok((input, ()))
 }

src/parser/footnote_definition.rs

@@ -12,7 +12,6 @@ use nom::multi::many_till;
 use nom::sequence::tuple;
 
 use super::affiliated_keyword::parse_affiliated_keywords;
-use super::keyword::affiliated_keyword;
 use super::org_source::OrgSource;
 use super::util::include_input;
 use super::util::maybe_consume_trailing_whitespace_if_not_exiting;
@@ -125,7 +124,7 @@ fn footnote_definition_end<'b, 'g, 'r, 's>(
     let (remaining, source) = alt((
         recognize(tuple((
             parser_with_context!(maybe_consume_trailing_whitespace)(context),
-            detect_footnote_definition,
+            |i| detect_footnote_definition(std::iter::empty(), i, context, i),
         ))),
         recognize(tuple((
             start_of_line,
@@ -138,10 +137,20 @@ fn footnote_definition_end<'b, 'g, 'r, 's>(
     Ok((remaining, source))
 }
 
-#[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
+#[cfg_attr(
-pub(crate) fn detect_footnote_definition<'s>(input: OrgSource<'s>) -> Res<OrgSource<'s>, ()> {
+    feature = "tracing",
-    let (input, _) = many0(affiliated_keyword)(input)?;
+    tracing::instrument(ret, level = "debug", skip(_context, _affiliated_keywords))
-    tuple((start_of_line, tag_no_case("[fn:"), label, tag("]")))(input)?;
+)]
+pub(crate) fn detect_footnote_definition<'b, 'g, 'r, 's, AK>(
+    _affiliated_keywords: AK,
+    remaining: OrgSource<'s>,
+    _context: RefContext<'b, 'g, 'r, 's>,
+    input: OrgSource<'s>,
+) -> Res<OrgSource<'s>, ()>
+where
+    AK: IntoIterator<Item = Keyword<'s>>,
+{
+    tuple((start_of_line, tag_no_case("[fn:"), label, tag("]")))(remaining)?;
     Ok((input, ()))
 }
 

src/parser/keyword.rs

@@ -9,6 +9,7 @@ use nom::character::complete::one_of;
 use nom::character::complete::space0;
 use nom::combinator::consumed;
 use nom::combinator::eof;
+use nom::combinator::map;
 use nom::combinator::not;
 use nom::combinator::peek;
 use nom::combinator::recognize;
@@ -21,7 +22,7 @@ use super::org_source::BracketDepth;
 use super::org_source::OrgSource;
 use super::util::get_consumed;
 use super::util::maybe_consume_trailing_whitespace_if_not_exiting;
-use crate::context::Matcher;
+use crate::context::parser_with_context;
 use crate::context::RefContext;
 use crate::error::CustomError;
 use crate::error::MyError;
@@ -30,15 +31,9 @@ use crate::parser::util::start_of_line;
 use crate::types::AffiliatedKeywords;
 use crate::types::Keyword;
 
-const ORG_ELEMENT_AFFILIATED_KEYWORDS: [&'static str; 13] = [
+pub(crate) fn filtered_keyword<'s, F: Fn(OrgSource<'s>) -> Res<OrgSource<'s>, OrgSource<'s>>>(
-    "caption", "data", "headers", "header", "label", "name", "plot", "resname", "results",
-    "result", "source", "srcname", "tblname",
-];
-const ORG_ELEMENT_DUAL_KEYWORDS: [&'static str; 2] = ["caption", "results"];
-
-pub(crate) fn filtered_keyword<F: Matcher>(
     key_parser: F,
-) -> impl for<'s> Fn(OrgSource<'s>) -> Res<OrgSource<'s>, Keyword<'s>> {
+) -> impl Fn(OrgSource<'s>) -> Res<OrgSource<'s>, Keyword<'s>> {
     move |input| _filtered_keyword(&key_parser, input)
 }
 
@@ -46,7 +41,7 @@ pub(crate) fn filtered_keyword<F: Matcher>(
     feature = "tracing",
     tracing::instrument(ret, level = "debug", skip(key_parser))
 )]
-fn _filtered_keyword<'s, F: Matcher>(
+fn _filtered_keyword<'s, F: Fn(OrgSource<'s>) -> Res<OrgSource<'s>, OrgSource<'s>>>(
     key_parser: F,
     input: OrgSource<'s>,
 ) -> Res<OrgSource<'s>, Keyword<'s>> {
@@ -113,8 +108,11 @@ where
 }
 
 #[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
-pub(crate) fn affiliated_keyword<'s>(input: OrgSource<'s>) -> Res<OrgSource<'s>, Keyword<'s>> {
+pub(crate) fn affiliated_keyword<'b, 'g, 'r, 's>(
-    filtered_keyword(affiliated_key)(input)
+    context: RefContext<'b, 'g, 'r, 's>,
+    input: OrgSource<'s>,
+) -> Res<OrgSource<'s>, Keyword<'s>> {
+    filtered_keyword(parser_with_context!(affiliated_key)(context))(input)
 }
 
 #[cfg_attr(
@@ -149,18 +147,30 @@ fn regular_keyword_key<'s>(input: OrgSource<'s>) -> Res<OrgSource<'s>, OrgSource
 }
 
 #[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
-fn affiliated_key<'s>(input: OrgSource<'s>) -> Res<OrgSource<'s>, OrgSource<'s>> {
+fn affiliated_key<'b, 'g, 'r, 's>(
+    context: RefContext<'b, 'g, 'r, 's>,
+    input: OrgSource<'s>,
+) -> Res<OrgSource<'s>, OrgSource<'s>> {
     alt((
-        recognize(tuple((dual_affiliated_key, tag("["), optval, tag("]")))),
+        parser_with_context!(dual_affiliated_key)(context),
-        plain_affiliated_key,
+        parser_with_context!(plain_affiliated_key)(context),
         export_keyword,
     ))(input)
 }
 
 #[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
-fn plain_affiliated_key<'s>(input: OrgSource<'s>) -> Res<OrgSource<'s>, OrgSource<'s>> {
+fn plain_affiliated_key<'b, 'g, 'r, 's>(
-    for keyword in ORG_ELEMENT_AFFILIATED_KEYWORDS {
+    context: RefContext<'b, 'g, 'r, 's>,
-        let result = tag_no_case::<_, _, CustomError<_>>(keyword)(input);
+    input: OrgSource<'s>,
+) -> Res<OrgSource<'s>, OrgSource<'s>> {
+    for keyword in context.get_global_settings().element_affiliated_keywords {
+        let result = map(
+            tuple((
+                tag_no_case::<_, _, CustomError<_>>(*keyword),
+                peek(tag(":")),
+            )),
+            |(key, _)| key,
+        )(input);
         match result {
             Ok((remaining, ent)) => {
                 return Ok((remaining, ent));
@@ -175,9 +185,18 @@ fn plain_affiliated_key<'s>(input: OrgSource<'s>) -> Res<OrgSource<'s>, OrgSourc
 }
 
 #[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
-fn dual_affiliated_key<'s>(input: OrgSource<'s>) -> Res<OrgSource<'s>, OrgSource<'s>> {
+fn dual_affiliated_key<'b, 'g, 'r, 's>(
-    for keyword in ORG_ELEMENT_DUAL_KEYWORDS {
+    context: RefContext<'b, 'g, 'r, 's>,
-        let result = tag_no_case::<_, _, CustomError<_>>(keyword)(input);
+    input: OrgSource<'s>,
+) -> Res<OrgSource<'s>, OrgSource<'s>> {
+    for keyword in context.get_global_settings().element_dual_keywords {
+        let result = recognize(tuple((
+            tag_no_case::<_, _, CustomError<_>>(*keyword),
+            tag("["),
+            optval,
+            tag("]"),
+            peek(tag(":")),
+        )))(input);
         match result {
             Ok((remaining, ent)) => {
                 return Ok((remaining, ent));

src/parser/macros.rs

@@ -1,6 +1,6 @@
 /// Parse an element that has affiliated keywords.
 macro_rules! ak_element {
-    ($parser:ident, $affiliated_keywords:expr, $post_affiliated_keywords_input: expr, $context: expr, $input: expr, $wrapper: expr) => {
+    ($parser:expr, $affiliated_keywords:expr, $post_affiliated_keywords_input: expr, $context: expr, $input: expr, $wrapper: expr) => {
         if let Ok((remaining, ele)) = $parser(
             $affiliated_keywords,
             $post_affiliated_keywords_input,
@@ -10,7 +10,7 @@ macro_rules! ak_element {
             return Ok((remaining, $wrapper(ele)));
         }
     };
-    ($parser:ident, $affiliated_keywords:expr, $post_affiliated_keywords_input: expr, $context: expr, $input: expr) => {
+    ($parser:expr, $affiliated_keywords:expr, $post_affiliated_keywords_input: expr, $context: expr, $input: expr) => {
         if let Ok((remaining, ele)) = $parser(
             $affiliated_keywords,
             $post_affiliated_keywords_input,
@@ -25,12 +25,12 @@ macro_rules! ak_element {
 pub(crate) use ak_element;
 
 macro_rules! element {
-    ($parser:ident, $context: expr, $input: expr, $wrapper: expr) => {
+    ($parser:expr, $context: expr, $input: expr, $wrapper: expr) => {
         if let Ok((remaining, ele)) = $parser($context, $input) {
             return Ok((remaining, $wrapper(ele)));
         }
     };
-    ($parser:ident, $context: expr, $input: expr) => {
+    ($parser:expr, $context: expr, $input: expr) => {
         if let Ok((remaining, ele)) = $parser($context, $input) {
             return Ok((remaining, ele));
         }

src/parser/object_parser.rs

@@ -1,11 +1,7 @@
-use nom::branch::alt;
-use nom::combinator::map;
-
 use super::org_source::OrgSource;
 use super::plain_text::plain_text;
 use super::regular_link::regular_link;
 use super::subscript_and_superscript::detect_subscript_or_superscript;
-use crate::context::parser_with_context;
 use crate::context::RefContext;
 use crate::error::CustomError;
 use crate::error::MyError;
@@ -19,6 +15,7 @@ use crate::parser::inline_babel_call::inline_babel_call;
 use crate::parser::inline_source_block::inline_source_block;
 use crate::parser::latex_fragment::latex_fragment;
 use crate::parser::line_break::line_break;
+use crate::parser::macros::element;
 use crate::parser::org_macro::org_macro;
 use crate::parser::plain_link::plain_link;
 use crate::parser::radio_link::radio_link;
@@ -39,14 +36,14 @@ pub(crate) fn standard_set_object<'b, 'g, 'r, 's>(
     context: RefContext<'b, 'g, 'r, 's>,
     input: OrgSource<'s>,
 ) -> Res<OrgSource<'s>, Object<'s>> {
-    let (remaining, object) = alt((
+    element!(standard_set_object_sans_plain_text, context, input);
-        parser_with_context!(standard_set_object_sans_plain_text)(context),
+    element!(
-        map(
+        plain_text(detect_standard_set_object_sans_plain_text),
-            parser_with_context!(plain_text(detect_standard_set_object_sans_plain_text))(context),
+        context,
-            Object::PlainText,
+        input,
-        ),
+        Object::PlainText
-    ))(input)?;
+    );
-    Ok((remaining, object))
+    Err(nom::Err::Error(CustomError::MyError(MyError("No object."))))
 }
 
 #[cfg_attr(
@@ -57,14 +54,14 @@ pub(crate) fn minimal_set_object<'b, 'g, 'r, 's>(
     context: RefContext<'b, 'g, 'r, 's>,
     input: OrgSource<'s>,
 ) -> Res<OrgSource<'s>, Object<'s>> {
-    let (remaining, object) = alt((
+    element!(minimal_set_object_sans_plain_text, context, input);
-        parser_with_context!(minimal_set_object_sans_plain_text)(context),
+    element!(
-        map(
+        plain_text(detect_minimal_set_object_sans_plain_text),
-            parser_with_context!(plain_text(detect_minimal_set_object_sans_plain_text))(context),
+        context,
-            Object::PlainText,
+        input,
-        ),
+        Object::PlainText
-    ))(input)?;
+    );
-    Ok((remaining, object))
+    Err(nom::Err::Error(CustomError::MyError(MyError("No object."))))
 }
 
 #[cfg_attr(
@@ -75,56 +72,38 @@ fn standard_set_object_sans_plain_text<'b, 'g, 'r, 's>(
     context: RefContext<'b, 'g, 'r, 's>,
     input: OrgSource<'s>,
 ) -> Res<OrgSource<'s>, Object<'s>> {
-    let (remaining, object) = alt((
+    element!(timestamp, context, input, Object::Timestamp);
-        map(parser_with_context!(timestamp)(context), Object::Timestamp),
+    element!(subscript, context, input, Object::Subscript);
-        map(parser_with_context!(subscript)(context), Object::Subscript),
+    element!(superscript, context, input, Object::Superscript);
-        map(
+    element!(statistics_cookie, context, input, Object::StatisticsCookie);
-            parser_with_context!(superscript)(context),
+    element!(target, context, input, Object::Target);
-            Object::Superscript,
+    element!(line_break, context, input, Object::LineBreak);
-        ),
+    element!(
-        map(
+        inline_source_block,
-            parser_with_context!(statistics_cookie)(context),
+        context,
-            Object::StatisticsCookie,
+        input,
-        ),
+        Object::InlineSourceBlock
-        map(parser_with_context!(target)(context), Object::Target),
+    );
-        map(parser_with_context!(line_break)(context), Object::LineBreak),
+    element!(inline_babel_call, context, input, Object::InlineBabelCall);
-        map(
+    element!(citation, context, input, Object::Citation);
-            parser_with_context!(inline_source_block)(context),
+    element!(
-            Object::InlineSourceBlock,
+        footnote_reference,
-        ),
+        context,
-        map(
+        input,
-            parser_with_context!(inline_babel_call)(context),
+        Object::FootnoteReference
-            Object::InlineBabelCall,
+    );
-        ),
+    element!(export_snippet, context, input, Object::ExportSnippet);
-        map(parser_with_context!(citation)(context), Object::Citation),
+    element!(entity, context, input, Object::Entity);
-        map(
+    element!(latex_fragment, context, input, Object::LatexFragment);
-            parser_with_context!(footnote_reference)(context),
+    element!(radio_link, context, input, Object::RadioLink);
-            Object::FootnoteReference,
+    element!(radio_target, context, input, Object::RadioTarget);
-        ),
+    element!(text_markup, context, input);
-        map(
+    element!(regular_link, context, input, Object::RegularLink);
-            parser_with_context!(export_snippet)(context),
+    element!(plain_link, context, input, Object::PlainLink);
-            Object::ExportSnippet,
+    element!(angle_link, context, input, Object::AngleLink);
-        ),
+    element!(org_macro, context, input, Object::OrgMacro);
-        map(parser_with_context!(entity)(context), Object::Entity),
+
-        map(
+    Err(nom::Err::Error(CustomError::MyError(MyError("No object."))))
-            parser_with_context!(latex_fragment)(context),
-            Object::LatexFragment,
-        ),
-        map(parser_with_context!(radio_link)(context), Object::RadioLink),
-        map(
-            parser_with_context!(radio_target)(context),
-            Object::RadioTarget,
-        ),
-        parser_with_context!(text_markup)(context),
-        map(
-            parser_with_context!(regular_link)(context),
-            Object::RegularLink,
-        ),
-        map(parser_with_context!(plain_link)(context), Object::PlainLink),
-        map(parser_with_context!(angle_link)(context), Object::AngleLink),
-        map(parser_with_context!(org_macro)(context), Object::OrgMacro),
-    ))(input)?;
-    Ok((remaining, object))
 }
 
 #[cfg_attr(
@@ -135,20 +114,12 @@ fn minimal_set_object_sans_plain_text<'b, 'g, 'r, 's>(
     context: RefContext<'b, 'g, 'r, 's>,
     input: OrgSource<'s>,
 ) -> Res<OrgSource<'s>, Object<'s>> {
-    let (remaining, object) = alt((
+    element!(subscript, context, input, Object::Subscript);
-        map(parser_with_context!(subscript)(context), Object::Subscript),
+    element!(superscript, context, input, Object::Superscript);
-        map(
+    element!(entity, context, input, Object::Entity);
-            parser_with_context!(superscript)(context),
+    element!(latex_fragment, context, input, Object::LatexFragment);
-            Object::Superscript,
+    element!(text_markup, context, input);
-        ),
+    Err(nom::Err::Error(CustomError::MyError(MyError("No object."))))
-        map(parser_with_context!(entity)(context), Object::Entity),
-        map(
-            parser_with_context!(latex_fragment)(context),
-            Object::LatexFragment,
-        ),
-        parser_with_context!(text_markup)(context),
-    ))(input)?;
-    Ok((remaining, object))
 }
 
 #[cfg_attr(
@@ -200,16 +171,18 @@ pub(crate) fn regular_link_description_set_object<'b, 'g, 'r, 's>(
     input: OrgSource<'s>,
 ) -> Res<OrgSource<'s>, Object<'s>> {
     // TODO: It can also contain another link, but only when it is a plain or angle link. It can contain square brackets, but not ]]
-    let (remaining, object) = alt((
+    element!(
-        parser_with_context!(regular_link_description_set_object_sans_plain_text)(context),
+        regular_link_description_set_object_sans_plain_text,
-        map(
+        context,
-            parser_with_context!(plain_text(
+        input
-                detect_regular_link_description_set_object_sans_plain_text
+    );
-            ))(context),
+    element!(
-            Object::PlainText,
+        plain_text(detect_regular_link_description_set_object_sans_plain_text),
-        ),
+        context,
-    ))(input)?;
+        input,
-    Ok((remaining, object))
+        Object::PlainText
+    );
+    Err(nom::Err::Error(CustomError::MyError(MyError("No object."))))
 }
 
 #[cfg_attr(
@@ -221,27 +194,18 @@ fn regular_link_description_set_object_sans_plain_text<'b, 'g, 'r, 's>(
     input: OrgSource<'s>,
 ) -> Res<OrgSource<'s>, Object<'s>> {
     // TODO: It can also contain another link, but only when it is a plain or angle link. It can contain square brackets, but not ]]
-    let (remaining, object) = alt((
+    element!(export_snippet, context, input, Object::ExportSnippet);
-        map(
+    element!(statistics_cookie, context, input, Object::StatisticsCookie);
-            parser_with_context!(export_snippet)(context),
+    element!(
-            Object::ExportSnippet,
+        inline_source_block,
-        ),
+        context,
-        map(
+        input,
-            parser_with_context!(statistics_cookie)(context),
+        Object::InlineSourceBlock
-            Object::StatisticsCookie,
+    );
-        ),
+    element!(inline_babel_call, context, input, Object::InlineBabelCall);
-        map(
+    element!(org_macro, context, input, Object::OrgMacro);
-            parser_with_context!(inline_source_block)(context),
+    element!(minimal_set_object_sans_plain_text, context, input);
-            Object::InlineSourceBlock,
+    Err(nom::Err::Error(CustomError::MyError(MyError("No object."))))
-        ),
-        map(
-            parser_with_context!(inline_babel_call)(context),
-            Object::InlineBabelCall,
-        ),
-        map(parser_with_context!(org_macro)(context), Object::OrgMacro),
-        parser_with_context!(minimal_set_object_sans_plain_text)(context),
-    ))(input)?;
-    Ok((remaining, object))
 }
 
 #[cfg_attr(
@@ -272,14 +236,14 @@ pub(crate) fn table_cell_set_object<'b, 'g, 'r, 's>(
     context: RefContext<'b, 'g, 'r, 's>,
     input: OrgSource<'s>,
 ) -> Res<OrgSource<'s>, Object<'s>> {
-    let (remaining, object) = alt((
+    element!(table_cell_set_object_sans_plain_text, context, input);
-        parser_with_context!(table_cell_set_object_sans_plain_text)(context),
+    element!(
-        map(
+        plain_text(detect_table_cell_set_object_sans_plain_text),
-            parser_with_context!(plain_text(detect_table_cell_set_object_sans_plain_text))(context),
+        context,
-            Object::PlainText,
+        input,
-        ),
+        Object::PlainText
-    ))(input)?;
+    );
-    Ok((remaining, object))
+    Err(nom::Err::Error(CustomError::MyError(MyError("No object."))))
 }
 
 #[cfg_attr(
@@ -290,33 +254,24 @@ fn table_cell_set_object_sans_plain_text<'b, 'g, 'r, 's>(
     context: RefContext<'b, 'g, 'r, 's>,
     input: OrgSource<'s>,
 ) -> Res<OrgSource<'s>, Object<'s>> {
-    let (remaining, object) = alt((
+    element!(citation, context, input, Object::Citation);
-        map(parser_with_context!(citation)(context), Object::Citation),
+    element!(export_snippet, context, input, Object::ExportSnippet);
-        map(
+    element!(
-            parser_with_context!(export_snippet)(context),
+        footnote_reference,
-            Object::ExportSnippet,
+        context,
-        ),
+        input,
-        map(
+        Object::FootnoteReference
-            parser_with_context!(footnote_reference)(context),
+    );
-            Object::FootnoteReference,
+    element!(radio_link, context, input, Object::RadioLink);
-        ),
+    element!(regular_link, context, input, Object::RegularLink);
-        map(parser_with_context!(radio_link)(context), Object::RadioLink),
+    element!(plain_link, context, input, Object::PlainLink);
-        map(
+    element!(angle_link, context, input, Object::AngleLink);
-            parser_with_context!(regular_link)(context),
+    element!(org_macro, context, input, Object::OrgMacro);
-            Object::RegularLink,
+    element!(radio_target, context, input, Object::RadioTarget);
-        ),
+    element!(target, context, input, Object::Target);
-        map(parser_with_context!(plain_link)(context), Object::PlainLink),
+    element!(timestamp, context, input, Object::Timestamp);
-        map(parser_with_context!(angle_link)(context), Object::AngleLink),
+    element!(minimal_set_object_sans_plain_text, context, input);
-        map(parser_with_context!(org_macro)(context), Object::OrgMacro),
+    Err(nom::Err::Error(CustomError::MyError(MyError("No object."))))
-        map(
-            parser_with_context!(radio_target)(context),
-            Object::RadioTarget,
-        ),
-        map(parser_with_context!(target)(context), Object::Target),
-        map(parser_with_context!(timestamp)(context), Object::Timestamp),
-        parser_with_context!(minimal_set_object_sans_plain_text)(context),
-    ))(input)?;
-    Ok((remaining, object))
 }
 
 #[cfg_attr(

src/parser/plain_list.rs

@@ -20,7 +20,6 @@ use nom::sequence::tuple;
 
 use super::affiliated_keyword::parse_affiliated_keywords;
 use super::element_parser::element;
-use super::keyword::affiliated_keyword;
 use super::object_parser::standard_set_object;
 use super::org_source::OrgSource;
 use super::util::include_input;
@@ -53,13 +52,17 @@ use crate::types::PlainListType;
 
 #[cfg_attr(
     feature = "tracing",
-    tracing::instrument(ret, level = "debug", skip(context))
+    tracing::instrument(ret, level = "debug", skip(context, _affiliated_keywords))
 )]
-pub(crate) fn detect_plain_list<'b, 'g, 'r, 's>(
+pub(crate) fn detect_plain_list<'b, 'g, 'r, 's, AK>(
+    _affiliated_keywords: AK,
+    remaining: OrgSource<'s>,
     context: RefContext<'b, 'g, 'r, 's>,
     input: OrgSource<'s>,
-) -> Res<OrgSource<'s>, ()> {
+) -> Res<OrgSource<'s>, ()>
-    let (input, _) = many0(affiliated_keyword)(input)?;
+where
+    AK: IntoIterator<Item = Keyword<'s>>,
+{
     if verify(
         tuple((
             start_of_line,
@@ -70,7 +73,7 @@ pub(crate) fn detect_plain_list<'b, 'g, 'r, 's>(
         |(_start, (indent_level, _), (_bullet_type, bull), _after_whitespace)| {
             !Into::<&str>::into(bull).starts_with("*") || *indent_level > 0
         },
-    )(input)
+    )(remaining)
     .is_ok()
     {
         return Ok((input, ()));
@@ -730,7 +733,7 @@ dolar"#,
         let global_settings = GlobalSettings::default();
         let initial_context = ContextElement::document_context();
         let initial_context = Context::new(&global_settings, List::new(&initial_context));
-        let result = detect_plain_list(&initial_context, input);
+        let result = detect_plain_list(std::iter::empty(), input, &initial_context, input);
         assert!(result.is_ok());
     }
 
@@ -740,7 +743,7 @@ dolar"#,
         let global_settings = GlobalSettings::default();
         let initial_context = ContextElement::document_context();
         let initial_context = Context::new(&global_settings, List::new(&initial_context));
-        let result = detect_plain_list(&initial_context, input);
+        let result = detect_plain_list(std::iter::empty(), input, &initial_context, input);
         assert!(result.is_ok());
     }
 
@@ -750,7 +753,7 @@ dolar"#,
         let global_settings = GlobalSettings::default();
         let initial_context = ContextElement::document_context();
         let initial_context = Context::new(&global_settings, List::new(&initial_context));
-        let result = detect_plain_list(&initial_context, input);
+        let result = detect_plain_list(std::iter::empty(), input, &initial_context, input);
         // Since there is no whitespace after the '+' this is a paragraph, not a plain list.
         assert!(result.is_err());
     }
@@ -761,7 +764,7 @@ dolar"#,
         let global_settings = GlobalSettings::default();
         let initial_context = ContextElement::document_context();
         let initial_context = Context::new(&global_settings, List::new(&initial_context));
-        let result = detect_plain_list(&initial_context, input);
+        let result = detect_plain_list(std::iter::empty(), input, &initial_context, input);
         assert!(result.is_ok());
     }
 }

src/parser/table.rs

@@ -14,7 +14,6 @@ use nom::multi::many_till;
 use nom::sequence::tuple;
 
 use super::affiliated_keyword::parse_affiliated_keywords;
-use super::keyword::affiliated_keyword;
 use super::keyword::table_formula_keyword;
 use super::object_parser::table_cell_set_object;
 use super::org_source::OrgSource;
@@ -92,10 +91,20 @@ where
     ))
 }
 
-#[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
+#[cfg_attr(
-pub(crate) fn detect_table<'s>(input: OrgSource<'s>) -> Res<OrgSource<'s>, ()> {
+    feature = "tracing",
-    let (input, _) = many0(affiliated_keyword)(input)?;
+    tracing::instrument(ret, level = "debug", skip(_context, _affiliated_keywords))
-    tuple((start_of_line, space0, tag("|")))(input)?;
+)]
+pub(crate) fn detect_table<'b, 'g, 'r, 's, AK>(
+    _affiliated_keywords: AK,
+    remaining: OrgSource<'s>,
+    _context: RefContext<'b, 'g, 'r, 's>,
+    input: OrgSource<'s>,
+) -> Res<OrgSource<'s>, ()>
+where
+    AK: IntoIterator<Item = Keyword<'s>>,
+{
+    tuple((start_of_line, space0, tag("|")))(remaining)?;
     Ok((input, ()))
 }
 

src/types/affiliated_keyword.rs

@@ -6,7 +6,11 @@ use super::Object;
 pub enum AffiliatedKeywordValue<'s> {
     SingleString(&'s str),
     ListOfStrings(Vec<&'s str>),
-    ListOfListsOfObjects(Vec<(Option<Vec<Object<'s>>>, Vec<Object<'s>>)>),
+    OptionalPair {
+        optval: Option<&'s str>,
+        val: &'s str,
+    },
+    ObjectTree(Vec<(Option<Vec<Object<'s>>>, Vec<Object<'s>>)>),
 }
 
 #[derive(Debug)]

src/types/document.rs

@@ -101,11 +101,15 @@ impl<'s> Heading<'s> {
                 _ => None,
             })
             .flat_map(|section| section.children.iter())
-            .take(1)
+            .take_while(|element| match element {
-            .filter_map(|element| match element {
+                Element::Planning(_) | Element::PropertyDrawer(_) => true,
+                _ => false,
+            })
+            .find_map(|element| match element {
                 Element::PropertyDrawer(property_drawer) => Some(property_drawer),
                 _ => None,
             })
+            .into_iter()
             .flat_map(|property_drawer| property_drawer.children.iter())
     }
 }

tests/test_template

@@ -5,7 +5,7 @@
 async fn autogen_default_{name}() -> Result<(), Box<dyn std::error::Error>> {{
     let org_path = "{path}";
     let org_contents = std::fs::read_to_string(org_path).expect("Read org file.");
-    organic::compare::run_anonymous_compare(org_contents.as_str()).await?;
+    assert!(organic::compare::run_anonymous_compare(org_contents.as_str()).await?);
     Ok(())
 }}
 
@@ -19,7 +19,7 @@ async fn autogen_la_{name}() -> Result<(), Box<dyn std::error::Error>> {{
         global_settings.list_allow_alphabetical = true;
         global_settings
     }};
-    organic::compare::run_anonymous_compare_with_settings(org_contents.as_str(), &global_settings, false).await?;
+    assert!(organic::compare::run_anonymous_compare_with_settings(org_contents.as_str(), &global_settings, false).await?);
     Ok(())
 }}
 
@@ -33,7 +33,7 @@ async fn autogen_t1_{name}() -> Result<(), Box<dyn std::error::Error>> {{
         global_settings.tab_width = 1;
         global_settings
     }};
-    organic::compare::run_anonymous_compare_with_settings(org_contents.as_str(), &global_settings, false).await?;
+    assert!(organic::compare::run_anonymous_compare_with_settings(org_contents.as_str(), &global_settings, false).await?);
     Ok(())
 }}
 
@@ -47,7 +47,7 @@ async fn autogen_t16_{name}() -> Result<(), Box<dyn std::error::Error>> {{
         global_settings.tab_width = 16;
         global_settings
     }};
-    organic::compare::run_anonymous_compare_with_settings(org_contents.as_str(), &global_settings, false).await?;
+    assert!(organic::compare::run_anonymous_compare_with_settings(org_contents.as_str(), &global_settings, false).await?);
     Ok(())
 }}
 
@@ -61,6 +61,6 @@ async fn autogen_odd_{name}() -> Result<(), Box<dyn std::error::Error>> {{
         global_settings.odd_levels_only = organic::settings::HeadlineLevelFilter::Odd;
         global_settings
     }};
-    organic::compare::run_anonymous_compare_with_settings(org_contents.as_str(), &global_settings, false).await?;
+    assert!(organic::compare::run_anonymous_compare_with_settings(org_contents.as_str(), &global_settings, false).await?);
     Ok(())
 }}