From 4b94dc60d2e3177504621fcca590a82bfcdd6f74 Mon Sep 17 00:00:00 2001
From: Tom Alexander <tom@fizz.buzz>
Date: Fri, 15 Dec 2023 19:49:12 -0500
Subject: [PATCH] Fix handling of documents containing only whitespace.

---
 org_mode_samples/document/empty.org                          | 0
 org_mode_samples/document/only_line_breaks.org               | 4 ++++
 .../document_post_blank.org => document/post_blank.org}      | 0
 src/parser/document.rs                                       | 5 +++--
 src/types/document.rs                                        | 4 ++--
 5 files changed, 9 insertions(+), 4 deletions(-)
 create mode 100644 org_mode_samples/document/empty.org
 create mode 100644 org_mode_samples/document/only_line_breaks.org
 rename org_mode_samples/{sections_and_headings/document_post_blank.org => document/post_blank.org} (100%)

diff --git a/org_mode_samples/document/empty.org b/org_mode_samples/document/empty.org
new file mode 100644
index 00000000..e69de29b
diff --git a/org_mode_samples/document/only_line_breaks.org b/org_mode_samples/document/only_line_breaks.org
new file mode 100644
index 00000000..fd40910d
--- /dev/null
+++ b/org_mode_samples/document/only_line_breaks.org
@@ -0,0 +1,4 @@
+
+
+
+
diff --git a/org_mode_samples/sections_and_headings/document_post_blank.org b/org_mode_samples/document/post_blank.org
similarity index 100%
rename from org_mode_samples/sections_and_headings/document_post_blank.org
rename to org_mode_samples/document/post_blank.org
diff --git a/src/parser/document.rs b/src/parser/document.rs
index 65aabc38..8c783ccb 100644
--- a/src/parser/document.rs
+++ b/src/parser/document.rs
@@ -3,6 +3,7 @@ use std::path::Path;
 use nom::combinator::all_consuming;
 use nom::combinator::opt;
 use nom::multi::many0;
+use nom::InputTake;
 
 use super::headline::heading;
 use super::in_buffer_settings::apply_in_buffer_settings;
@@ -195,9 +196,9 @@ fn _document<'b, 'g, 'r, 's>(
             zeroth_section,
             children,
             contents: if contents.len() > 0 {
-                Some(Into::<&str>::into(contents))
+                Into::<&str>::into(contents)
             } else {
-                None
+                Into::<&str>::into(remaining.take(0))
             },
         },
     ))
diff --git a/src/types/document.rs b/src/types/document.rs
index e39e19cb..e9269409 100644
--- a/src/types/document.rs
+++ b/src/types/document.rs
@@ -17,7 +17,7 @@ pub struct Document<'s> {
     pub path: Option<PathBuf>,
     pub zeroth_section: Option<Section<'s>>,
     pub children: Vec<Heading<'s>>,
-    pub contents: Option<&'s str>,
+    pub contents: &'s str,
 }
 
 #[derive(Debug)]
@@ -64,7 +64,7 @@ impl<'s> StandardProperties<'s> for Document<'s> {
     }
 
     fn get_contents<'b>(&'b self) -> Option<&'s str> {
-        self.contents
+        Some(self.contents)
     }
 
     fn get_post_blank(&self) -> PostBlank {