making it look better

.editorconfig

@@ -0,0 +1,12 @@
+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true

Cargo.toml

@@ -4,6 +4,4 @@ resolver = "2"
 
 [workspace.dependencies]
 
-log = "0.4.20"
-
 treehouse-format = { path = "crates/treehouse-format" }

content/tree/root.tree

@@ -4,7 +4,7 @@
 
         - treehouse is a brand new static website generator, inspired by the likes of Jekyll and Hugo, but offering a writing experience more close to Logseq
 
-            - ie. a public braindump
+            - ie. a public braindump adsadasdsad
 
     - since you're here, you're probably just setting up
 
@@ -12,7 +12,7 @@
 
             - this special file is almost like your index.html
 
-            + the syntax is pretty simple
+            + the .tree syntax is pretty simple
 
                 - separate blocks are delimited with a blank line
 
@@ -28,10 +28,35 @@
 
                     - a plus `+` means that the block is hidden by default
 
-                - before the block content, there can be an arbitrary amount of TOML specifying the block config
+                - before the block content, there can be an arbitrary amount of TOML pecifying the block attributes
 
                     - many keys are available but they aren't really documented outside of code
 
                 - blocks can span multiple lines as long as they are not broken apart with a blank line
 
                     - that means each block can contain at most one paragraph, unless you use dirty HTML hacks (cheater!)
+
+            - .tree composes together with Markdown to let you format text however you want
+
+                - here's a bunch of stuff formatted
+
+                    - # heading 1
+
+                    - ## heading 2
+
+                    - ### heading 3
+                      headings lower than this aren't really supported because c'mon who would be this crazy
+
+                    - <https://liquidev.net>
+
+                    - here is my favorite fluffy boy ![ralsei with a hat](https://liquidev.net/syf/art/20230723_ralsei_hat.png)
+
+                    - also a block quote
+
+                        - > Enough You Foolish Children
+
+                    - yes i will totally abuse you with deltarune references and you cannot stop me
+
+                    - ```
+                    this is some block of code it looks pretty cool doesn't it
+                    ```

crates/treehouse-format/Cargo.toml

@@ -5,4 +5,3 @@ edition = "2021"
 
 [dependencies]
 thiserror = "1.0.47"
-log = { workspace = true }

crates/treehouse-format/src/ast.rs

@@ -25,6 +25,7 @@ impl Roots {
 
 #[derive(Debug, Clone)]
 pub struct Branch {
+    pub indent_level: usize,
     pub attributes: Range<usize>,
     pub kind: BranchKind,
     pub kind_span: Range<usize>,
@@ -35,6 +36,7 @@ pub struct Branch {
 impl From<BranchEvent> for Branch {
     fn from(branch: BranchEvent) -> Self {
         Self {
+            indent_level: branch.indent_level,
             attributes: branch.attributes,
             kind: branch.kind,
             kind_span: branch.kind_span,

crates/treehouse/Cargo.toml

@@ -4,9 +4,17 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+anyhow = "1.0.75"
+axum = "0.6.20"
 codespan-reporting = "0.11.1"
+copy_dir = "0.1.3"
 handlebars = "4.3.7"
 pulldown-cmark = { version = "0.9.3", default-features = false }
+serde = { version = "1.0.183", features = ["derive"] }
 thiserror = "1.0.47"
+tokio = "1.32.0"
+tower-http = { version = "0.4.3", features = ["fs"] }
+tower-livereload = "0.8.0"
 treehouse-format = { workspace = true }
+watchexec = "2.3.0"
 

crates/treehouse/src/html/markdown.rs

@@ -0,0 +1,439 @@
+// NOTE: This code is pasted pretty much verbatim from pulldown-cmark but tweaked to have my own
+// cool additions.
+
+// Copyright 2015 Google Inc. All rights reserved.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+//! HTML renderer that takes an iterator of events as input.
+
+use std::collections::HashMap;
+use std::io;
+
+use pulldown_cmark::escape::{escape_href, escape_html, StrWrite};
+use pulldown_cmark::{Alignment, CodeBlockKind, Event, LinkType, Tag};
+use pulldown_cmark::{CowStr, Event::*};
+
+enum TableState {
+    Head,
+    Body,
+}
+
+struct HtmlWriter<'a, I, W> {
+    /// Iterator supplying events.
+    iter: I,
+
+    /// Writer to write to.
+    writer: W,
+
+    /// Whether or not the last write wrote a newline.
+    end_newline: bool,
+
+    table_state: TableState,
+    table_alignments: Vec<Alignment>,
+    table_cell_index: usize,
+    numbers: HashMap<CowStr<'a>, usize>,
+}
+
+impl<'a, I, W> HtmlWriter<'a, I, W>
+where
+    I: Iterator<Item = Event<'a>>,
+    W: StrWrite,
+{
+    fn new(iter: I, writer: W) -> Self {
+        Self {
+            iter,
+            writer,
+            end_newline: true,
+            table_state: TableState::Head,
+            table_alignments: vec![],
+            table_cell_index: 0,
+            numbers: HashMap::new(),
+        }
+    }
+
+    /// Writes a new line.
+    fn write_newline(&mut self) -> io::Result<()> {
+        self.end_newline = true;
+        self.writer.write_str("\n")
+    }
+
+    /// Writes a buffer, and tracks whether or not a newline was written.
+    #[inline]
+    fn write(&mut self, s: &str) -> io::Result<()> {
+        self.writer.write_str(s)?;
+
+        if !s.is_empty() {
+            self.end_newline = s.ends_with('\n');
+        }
+        Ok(())
+    }
+
+    fn run(mut self) -> io::Result<()> {
+        while let Some(event) = self.iter.next() {
+            match event {
+                Start(tag) => {
+                    self.start_tag(tag)?;
+                }
+                End(tag) => {
+                    self.end_tag(tag)?;
+                }
+                Text(text) => {
+                    escape_html(&mut self.writer, &text)?;
+                    self.end_newline = text.ends_with('\n');
+                }
+                Code(text) => {
+                    self.write("<code>")?;
+                    escape_html(&mut self.writer, &text)?;
+                    self.write("</code>")?;
+                }
+                Html(html) => {
+                    self.write(&html)?;
+                }
+                SoftBreak => {
+                    self.write_newline()?;
+                }
+                HardBreak => {
+                    self.write("<br />\n")?;
+                }
+                Rule => {
+                    if self.end_newline {
+                        self.write("<hr />\n")?;
+                    } else {
+                        self.write("\n<hr />\n")?;
+                    }
+                }
+                FootnoteReference(name) => {
+                    let len = self.numbers.len() + 1;
+                    self.write("<sup class=\"footnote-reference\"><a href=\"#")?;
+                    escape_html(&mut self.writer, &name)?;
+                    self.write("\">")?;
+                    let number = *self.numbers.entry(name).or_insert(len);
+                    write!(&mut self.writer, "{}", number)?;
+                    self.write("</a></sup>")?;
+                }
+                TaskListMarker(true) => {
+                    self.write("<input disabled=\"\" type=\"checkbox\" checked=\"\"/>\n")?;
+                }
+                TaskListMarker(false) => {
+                    self.write("<input disabled=\"\" type=\"checkbox\"/>\n")?;
+                }
+            }
+        }
+        Ok(())
+    }
+
+    /// Writes the start of an HTML tag.
+    fn start_tag(&mut self, tag: Tag<'a>) -> io::Result<()> {
+        match tag {
+            Tag::Paragraph => {
+                if self.end_newline {
+                    self.write("<p>")
+                } else {
+                    self.write("\n<p>")
+                }
+            }
+            Tag::Heading(level, id, classes) => {
+                if self.end_newline {
+                    self.end_newline = false;
+                    self.write("<")?;
+                } else {
+                    self.write("\n<")?;
+                }
+                write!(&mut self.writer, "{}", level)?;
+                if let Some(id) = id {
+                    self.write(" id=\"")?;
+                    escape_html(&mut self.writer, id)?;
+                    self.write("\"")?;
+                }
+                let mut classes = classes.iter();
+                if let Some(class) = classes.next() {
+                    self.write(" class=\"")?;
+                    escape_html(&mut self.writer, class)?;
+                    for class in classes {
+                        self.write(" ")?;
+                        escape_html(&mut self.writer, class)?;
+                    }
+                    self.write("\"")?;
+                }
+                self.write(">")
+            }
+            Tag::Table(alignments) => {
+                self.table_alignments = alignments;
+                self.write("<table>")
+            }
+            Tag::TableHead => {
+                self.table_state = TableState::Head;
+                self.table_cell_index = 0;
+                self.write("<thead><tr>")
+            }
+            Tag::TableRow => {
+                self.table_cell_index = 0;
+                self.write("<tr>")
+            }
+            Tag::TableCell => {
+                match self.table_state {
+                    TableState::Head => {
+                        self.write("<th")?;
+                    }
+                    TableState::Body => {
+                        self.write("<td")?;
+                    }
+                }
+                match self.table_alignments.get(self.table_cell_index) {
+                    Some(&Alignment::Left) => self.write(" style=\"text-align: left\">"),
+                    Some(&Alignment::Center) => self.write(" style=\"text-align: center\">"),
+                    Some(&Alignment::Right) => self.write(" style=\"text-align: right\">"),
+                    _ => self.write(">"),
+                }
+            }
+            Tag::BlockQuote => {
+                if self.end_newline {
+                    self.write("<blockquote>\n")
+                } else {
+                    self.write("\n<blockquote>\n")
+                }
+            }
+            Tag::CodeBlock(info) => {
+                if !self.end_newline {
+                    self.write_newline()?;
+                }
+                match info {
+                    CodeBlockKind::Fenced(info) => {
+                        let lang = info.split(' ').next().unwrap();
+                        if lang.is_empty() {
+                            self.write("<pre><code>")
+                        } else {
+                            self.write("<pre><code class=\"language-")?;
+                            escape_html(&mut self.writer, lang)?;
+                            self.write("\">")
+                        }
+                    }
+                    CodeBlockKind::Indented => self.write("<pre><code>"),
+                }
+            }
+            Tag::List(Some(1)) => {
+                if self.end_newline {
+                    self.write("<ol>\n")
+                } else {
+                    self.write("\n<ol>\n")
+                }
+            }
+            Tag::List(Some(start)) => {
+                if self.end_newline {
+                    self.write("<ol start=\"")?;
+                } else {
+                    self.write("\n<ol start=\"")?;
+                }
+                write!(&mut self.writer, "{}", start)?;
+                self.write("\">\n")
+            }
+            Tag::List(None) => {
+                if self.end_newline {
+                    self.write("<ul>\n")
+                } else {
+                    self.write("\n<ul>\n")
+                }
+            }
+            Tag::Item => {
+                if self.end_newline {
+                    self.write("<li>")
+                } else {
+                    self.write("\n<li>")
+                }
+            }
+            Tag::Emphasis => self.write("<em>"),
+            Tag::Strong => self.write("<strong>"),
+            Tag::Strikethrough => self.write("<del>"),
+            Tag::Link(LinkType::Email, dest, title) => {
+                self.write("<a href=\"mailto:")?;
+                escape_href(&mut self.writer, &dest)?;
+                if !title.is_empty() {
+                    self.write("\" title=\"")?;
+                    escape_html(&mut self.writer, &title)?;
+                }
+                self.write("\">")
+            }
+            Tag::Link(_link_type, dest, title) => {
+                self.write("<a href=\"")?;
+                escape_href(&mut self.writer, &dest)?;
+                if !title.is_empty() {
+                    self.write("\" title=\"")?;
+                    escape_html(&mut self.writer, &title)?;
+                }
+                self.write("\">")
+            }
+            Tag::Image(_link_type, dest, title) => {
+                self.write("<img src=\"")?;
+                escape_href(&mut self.writer, &dest)?;
+                self.write("\" alt=\"")?;
+                self.raw_text()?;
+                if !title.is_empty() {
+                    self.write("\" title=\"")?;
+                    escape_html(&mut self.writer, &title)?;
+                }
+                self.write("\" />")
+            }
+            Tag::FootnoteDefinition(name) => {
+                if self.end_newline {
+                    self.write("<div class=\"footnote-definition\" id=\"")?;
+                } else {
+                    self.write("\n<div class=\"footnote-definition\" id=\"")?;
+                }
+                escape_html(&mut self.writer, &name)?;
+                self.write("\"><sup class=\"footnote-definition-label\">")?;
+                let len = self.numbers.len() + 1;
+                let number = *self.numbers.entry(name).or_insert(len);
+                write!(&mut self.writer, "{}", number)?;
+                self.write("</sup>")
+            }
+        }
+    }
+
+    fn end_tag(&mut self, tag: Tag) -> io::Result<()> {
+        match tag {
+            Tag::Paragraph => {
+                self.write("</p>\n")?;
+            }
+            Tag::Heading(level, _id, _classes) => {
+                self.write("</")?;
+                write!(&mut self.writer, "{}", level)?;
+                self.write(">\n")?;
+            }
+            Tag::Table(_) => {
+                self.write("</tbody></table>\n")?;
+            }
+            Tag::TableHead => {
+                self.write("</tr></thead><tbody>\n")?;
+                self.table_state = TableState::Body;
+            }
+            Tag::TableRow => {
+                self.write("</tr>\n")?;
+            }
+            Tag::TableCell => {
+                match self.table_state {
+                    TableState::Head => {
+                        self.write("</th>")?;
+                    }
+                    TableState::Body => {
+                        self.write("</td>")?;
+                    }
+                }
+                self.table_cell_index += 1;
+            }
+            Tag::BlockQuote => {
+                self.write("</blockquote>\n")?;
+            }
+            Tag::CodeBlock(_) => {
+                self.write("</code></pre>\n")?;
+            }
+            Tag::List(Some(_)) => {
+                self.write("</ol>\n")?;
+            }
+            Tag::List(None) => {
+                self.write("</ul>\n")?;
+            }
+            Tag::Item => {
+                self.write("</li>\n")?;
+            }
+            Tag::Emphasis => {
+                self.write("</em>")?;
+            }
+            Tag::Strong => {
+                self.write("</strong>")?;
+            }
+            Tag::Strikethrough => {
+                self.write("</del>")?;
+            }
+            Tag::Link(_, _, _) => {
+                self.write("</a>")?;
+            }
+            Tag::Image(_, _, _) => (), // shouldn't happen, handled in start
+            Tag::FootnoteDefinition(_) => {
+                self.write("</div>\n")?;
+            }
+        }
+        Ok(())
+    }
+
+    // run raw text, consuming end tag
+    fn raw_text(&mut self) -> io::Result<()> {
+        let mut nest = 0;
+        while let Some(event) = self.iter.next() {
+            match event {
+                Start(_) => nest += 1,
+                End(_) => {
+                    if nest == 0 {
+                        break;
+                    }
+                    nest -= 1;
+                }
+                Html(text) | Code(text) | Text(text) => {
+                    escape_html(&mut self.writer, &text)?;
+                    self.end_newline = text.ends_with('\n');
+                }
+                SoftBreak | HardBreak | Rule => {
+                    self.write(" ")?;
+                }
+                FootnoteReference(name) => {
+                    let len = self.numbers.len() + 1;
+                    let number = *self.numbers.entry(name).or_insert(len);
+                    write!(&mut self.writer, "[{}]", number)?;
+                }
+                TaskListMarker(true) => self.write("[x]")?,
+                TaskListMarker(false) => self.write("[ ]")?,
+            }
+        }
+        Ok(())
+    }
+}
+
+/// Iterate over an `Iterator` of `Event`s, generate HTML for each `Event`, and
+/// push it to a `String`.
+///
+/// # Examples
+///
+/// ```
+/// use pulldown_cmark::{html, Parser};
+///
+/// let markdown_str = r#"
+/// hello
+/// =====
+///
+/// * alpha
+/// * beta
+/// "#;
+/// let parser = Parser::new(markdown_str);
+///
+/// let mut html_buf = String::new();
+/// html::push_html(&mut html_buf, parser);
+///
+/// assert_eq!(html_buf, r#"<h1>hello</h1>
+/// <ul>
+/// <li>alpha</li>
+/// <li>beta</li>
+/// </ul>
+/// "#);
+/// ```
+pub fn push_html<'a, I>(s: &mut String, iter: I)
+where
+    I: Iterator<Item = Event<'a>>,
+{
+    HtmlWriter::new(iter, s).run().unwrap();
+}

crates/treehouse/src/html/mod.rs

@@ -0,0 +1,2 @@
+mod markdown;
+pub mod tree;

crates/treehouse/src/html/tree.rs

@@ -1,5 +1,7 @@
 use treehouse_format::{ast::Branch, pull::BranchKind};
 
+use super::markdown;
+
 pub fn branch_to_html(s: &mut String, branch: &Branch, source: &str) {
     s.push_str("<li>");
     {
@@ -10,7 +12,18 @@ pub fn branch_to_html(s: &mut String, branch: &Branch, source: &str) {
             });
             s.push_str("<summary>");
         }
-        s.push_str(&source[branch.content.clone()]);
+
+        let raw_block_content = &source[branch.content.clone()];
+        let mut unindented_block_content = String::with_capacity(raw_block_content.len());
+        let indent = " ".repeat(branch.indent_level);
+        for line in raw_block_content.lines() {
+            unindented_block_content.push_str(line.strip_prefix(&indent).unwrap_or(line));
+            unindented_block_content.push('\n');
+        }
+
+        let markdown_parser = pulldown_cmark::Parser::new(&unindented_block_content);
+        markdown::push_html(s, markdown_parser);
+
         if !branch.children.is_empty() {
             s.push_str("</summary>");
             branches_to_html(s, &branch.children, source);

crates/treehouse/src/main.rs

@@ -1,46 +1,33 @@
-mod tree_html;
+mod html;
 
+use axum::Router;
 use codespan_reporting::{
     diagnostic::{Diagnostic, Label, LabelStyle, Severity},
     files::SimpleFile,
     term::termcolor::{ColorChoice, StandardStream},
 };
-use tree_html::branches_to_html;
+use copy_dir::copy_dir;
-use treehouse_format::{
+use handlebars::Handlebars;
-    ast::{Branch, Roots},
+use html::tree::branches_to_html;
-    pull::Parser,
+use serde::Serialize;
-};
+use tower_http::services::ServeDir;
+use tower_livereload::LiveReloadLayer;
+use treehouse_format::{ast::Roots, pull::Parser};
 
-#[derive(Debug, thiserror::Error)]
+#[derive(Serialize)]
-enum Error {
+pub struct TemplateData {
-    #[error("I/O error: {0}")]
+    pub tree: String,
-    Io(#[from] std::io::Error),
-
-    #[error("treehouse parsing error: {0}")]
-    Parse(#[from] treehouse_format::ParseError),
 }
 
-fn print_branch(branch: &Branch, source: &str) {
+fn regenerate() -> anyhow::Result<()> {
-    fn inner(branch: &Branch, source: &str, indent_level: usize) {
-        for _ in 0..indent_level {
-            print!("  ");
-        }
-        println!(
-            "{} {:?}",
-            branch.kind.char(),
-            &source[branch.content.clone()]
-        );
-        for child in &branch.children {
-            inner(child, source, indent_level + 1);
-        }
-    }
-    inner(branch, source, 0);
-}
-
-fn main() -> Result<(), Box<dyn std::error::Error>> {
     let _ = std::fs::remove_dir_all("target/site");
     std::fs::create_dir_all("target/site")?;
 
+    copy_dir("static", "target/site/static")?;
+
+    let mut handlebars = Handlebars::new();
+    handlebars.register_template_file("template/index.hbs", "template/index.hbs")?;
+
     let root_file = std::fs::read_to_string("content/tree/root.tree")?;
     let parse_result = Roots::parse(&mut Parser {
         input: &root_file,
@@ -49,13 +36,12 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     match parse_result {
         Ok(roots) => {
-            let mut html = String::from("<!DOCTYPE html><html><head></head><body>");
+            let mut tree = String::new();
-            for root in &roots.branches {
+            branches_to_html(&mut tree, &roots.branches, &root_file);
-                print_branch(root, &root_file);
+
-            }
+            let index_html = handlebars.render("template/index.hbs", &TemplateData { tree })?;
-            branches_to_html(&mut html, &roots.branches, &root_file);
+
-            std::fs::write("target/site/index.html", &html)?;
+            std::fs::write("target/site/index.html", index_html)?;
-            html.push_str("</body></html>")
         }
         Err(error) => {
             let writer = StandardStream::stderr(ColorChoice::Auto);
@@ -77,29 +63,43 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         }
     }
 
-    // let mut parser = treehouse_format::Parser {
+    Ok(())
-    //     input: &root_file,
+}
-    //     position: 0,
+
-    // };
+fn regenerate_or_report_error() {
-    // let mut generator = HtmlGenerator::default();
+    eprintln!("regenerating");
-    // while let Some(branch) = parser.next_branch()? {
+
-    //     for _ in 0..branch.indent_level {
+    match regenerate() {
-    //         print!(" ");
+        Ok(_) => (),
-    //     }
+        Err(error) => eprintln!("error: {error:?}"),
-    //     println!(
+    }
-    //         "{} {:?}",
+}
-    //         branch.kind.char(),
+
-    //         &root_file[branch.content.clone()]
+async fn web_server() -> anyhow::Result<()> {
-    //     );
+    let app = Router::new().nest_service("/", ServeDir::new("target/site"));
-    //     generator.add(&root_file, &branch);
+
-    // }
+    #[cfg(debug_assertions)]
-    // std::fs::write(
+    let app = app.layer(LiveReloadLayer::new());
-    //     "target/site/index.html",
+
-    //     format!(
+    Ok(axum::Server::bind(&([0, 0, 0, 0], 8080).into())
-    //         "<!DOCTYPE html><html><head></head><body>{}</body></html>",
+        .serve(app.into_make_service())
-    //         generator.finish()
+        .await?)
-    //     ),
+}
-    // )?;
+
+async fn fallible_main() -> anyhow::Result<()> {
+    regenerate_or_report_error();
+
+    web_server().await?;
+
+    Ok(())
+}
+
+#[tokio::main]
+async fn main() -> Result<(), Box<dyn std::error::Error>> {
+    match fallible_main().await {
+        Ok(_) => (),
+        Err(error) => eprintln!("fatal: {error:?}"),
+    }
 
     Ok(())
 }

static/css/main.css

@@ -0,0 +1,75 @@
+/* Choose more pretty colors than vanilla HTML */
+
+body {
+    background-color: rgb(255, 253, 246);
+    color: #333;
+}
+
+/* Set up fonts */
+
+body,
+pre,
+code {
+    font-family: 'RecVar', sans-serif;
+    font-size: 14px;
+}
+
+:root {
+    --recursive-mono: 0.0;
+    --recursive-casl: 1.0;
+    --recursive-wght: 400;
+    --recursive-slnt: -2.0;
+    --recursive-crsv: 0.5;
+}
+
+*,
+*:before,
+*:after {
+    font-variation-settings:
+        "MONO" var(--recursive-mono),
+        "CASL" var(--recursive-casl),
+        "wght" var(--recursive-wght),
+        "slnt" var(--recursive-slnt),
+        "CRSV" var(--recursive-crsv);
+}
+
+h1 {
+    --recursive-slnt: 0.0;
+    --recursive-casl: 0.0;
+    --recursive-crsv: 0.0;
+    --recursive-wght: 900;
+}
+
+pre,
+code {
+    --recursive-mono: 1.0;
+}
+
+/* Make the tree have + and - instead of the default details/summary arrow */
+
+.tree details>summary {
+    list-style: none;
+    cursor: pointer;
+}
+
+.tree li {
+    list-style: none;
+}
+
+.tree details::before {
+    content: '+';
+    opacity: 0.5;
+
+    padding-right: 8px;
+    vertical-align: text-bottom;
+
+    --recursive-mono: 1.0;
+}
+
+.tree details[open]::before {
+    content: '-';
+}
+
+.tree details *:first-child {
+    display: inline-block;
+}

static/font/font.css

@@ -0,0 +1,59 @@
+/* The bare minimum English subset, plus copyright & arrows (← ↑ → ↓) & quotes (“ ” ‘ ’) & bullet (•) */
+@font-face {
+    font-family: 'RecVar';
+    font-style: oblique 0deg 15deg;
+    font-weight: 300 1000;
+    font-display: swap;
+    src: url('./Recursive_VF_1.085--subset_range_english_basic.woff2') format('woff2');
+    unicode-range: U+0020-007F, U+00A9, U+2190-2193, U+2018, U+2019, U+201C, U+201D, U+2022;
+}
+
+/* unicode latin-1 letters, basic european diacritics */
+@font-face {
+    font-family: 'RecVar';
+    font-style: oblique 0deg 15deg;
+    font-weight: 300 1000;
+    font-display: swap;
+    src: url('./Recursive_VF_1.085--subset_range_latin_1.woff2') format('woff2');
+    unicode-range: U+00C0-00FF;
+}
+
+/* unicode latin-1, punc/symbols & arrows (↔ ↕ ↖ ↗ ↘ ↙) */
+@font-face {
+    font-family: 'RecVar';
+    font-style: oblique 0deg 15deg;
+    font-weight: 300 1000;
+    font-display: swap;
+    src: url('./Recursive_VF_1.085--subset_range_latin_1_punc.woff2') format('woff2');
+    unicode-range: U+00A0-00A8, U+00AA-00BF, U+2194-2199;
+}
+
+/* unicode latin A extended */
+@font-face {
+    font-family: 'RecVar';
+    font-style: oblique 0deg 15deg;
+    font-weight: 300 1000;
+    font-display: swap;
+    src: url('./Recursive_VF_1.085--subset_range_latin_ext.woff2') format('woff2');
+    unicode-range: U+0100-017F;
+}
+
+/* unicodes for vietnamese */
+@font-face {
+    font-family: 'RecVar';
+    font-style: oblique 0deg 15deg;
+    font-weight: 300 1000;
+    font-display: swap;
+    src: url('./Recursive_VF_1.085--subset_range_vietnamese.woff2') format('woff2');
+    unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+1EA0-1EF9, U+20AB;
+}
+
+/* remaining Unicodes */
+@font-face {
+    font-family: 'RecVar';
+    font-style: oblique 0deg 15deg;
+    font-weight: 300 1000;
+    font-display: swap;
+    src: url('./Recursive_VF_1.085--subset_range_remaining.woff2') format('woff2');
+    unicode-range: U+2007, U+2008, U+2009, U+200A, U+200B, U+D, U+2010, U+2012, U+2013, U+2014, U+2015, U+201A, U+201E, U+2020, U+2021, U+2026, U+2030, U+2032, U+2033, U+2039, U+203A, U+203E, U+2044, U+2052, U+2070, U+2074, U+2075, U+2076, U+2077, U+2078, U+2079, U+207B, U+2080, U+2081, U+2082, U+2083, U+2084, U+2085, U+2086, U+2087, U+2088, U+2089, U+20A1, U+20A6, U+20A8, U+20A9, U+20AA, U+20AC, U+20AD, U+20B1, U+20B2, U+20B4, U+20B5, U+20B8, U+20B9, U+20BA, U+20BC, U+20BD, U+20BF, U+F8FF, U+2113, U+2116, U+2122, U+2126, U+212E, U+E132, U+E133, U+2153, U+2154, U+215B, U+215C, U+215D, U+215E, U+18F, U+192, U+19D, U+1C4, U+1C5, U+1C6, U+1C7, U+1C8, U+1C9, U+1CA, U+1CB, U+1CC, U+1E6, U+1E7, U+1EA, U+1EB, U+1F1, U+1F2, U+1F3, U+1FA, U+1FB, U+1FC, U+1FD, U+1FE, U+1FF, U+200, U+201, U+202, U+203, U+204, U+205, U+206, U+207, U+208, U+209, U+20A, U+20B, U+20C, U+20D, U+20E, U+20F, U+210, U+211, U+212, U+213, U+214, U+215, U+216, U+217, U+218, U+219, U+21A, U+21B, U+2215, U+2219, U+221E, U+221A, U+22A, U+22B, U+22C, U+22D, U+222B, U+230, U+231, U+232, U+233, U+2236, U+237, U+2248, U+259, U+2260, U+2261, U+2264, U+2265, U+272, U+2B9, U+2BA, U+2BB, U+2BC, U+2BE, U+2BF, U+2C6, U+2C7, U+2C8, U+2C9, U+2CA, U+2CB, U+2D8, U+2D9, U+2DA, U+2DB, U+2DC, U+2DD, U+300, U+301, U+FB02, U+FB03, U+302, U+303, U+304, U+FB01, U+306, U+307, U+308, U+309, U+30A, U+30B, U+30C, U+30F, U+311, U+312, U+315, U+31B, U+2202, U+323, U+324, U+325, U+326, U+327, U+328, U+329, U+2205, U+32E, U+2206, U+331, U+335, U+220F, U+2211, U+2212, U+391, U+392, U+393, U+394, U+398, U+39B, U+39C, U+39D, U+3A0, U+3A6, U+3B1, U+3B2, U+3B3, U+3B4, U+3B8, U+3BB, U+3BC, U+3BD, U+3C0, U+3C6, U+25A0, U+25A1, U+25B2, U+25B3, U+25B6, U+25B7, U+25BC, U+25BD, U+25C0, U+25C1, U+25C6, U+25C7, U+25CA, U+1E08, U+1E09, U+1E0C, U+1E0D, U+1E0E, U+1E0F, U+2610, U+2611, U+1E14, U+1E15, U+1E16, U+1E17, U+1E1C, U+1E1D, U+1E20, U+1E21, U+1E24, U+1E25, U+1E2A, U+1E2B, U+1E2E, U+1E2F, U+1E36, U+1E37, U+1E3A, U+1E3B, U+E3F, U+1E42, U+1E43, U+1E44, U+1E45, U+1E46, U+1E47, U+1E48, U+1E49, U+1E4C, U+1E4D, U+1E4E, U+1E4F, U+1E50, U+1E51, U+1E52, U+1E53, U+1E5A, U+1E5B, U+1E5E, U+1E5F, U+1E60, U+2661, U+1E61, U+1E62, U+1E63, U+1E64, U+1E65, U+1E66, U+1E67, U+1E68, U+1E69, U+2665, U+1E6C, U+1E6D, U+1E6E, U+1E6F, U+1E78, U+1E79, U+1E7A, U+1E7B, U+1E80, U+1E81, U+1E82, U+1E83, U+1E84, U+1E85, U+1E8E, U+1E8F, U+1E92, U+1E93, U+1E97, U+1E9E, U+2713, U+27E8, U+27E9;
+}

static/js/usability.js

@@ -0,0 +1,10 @@
+// Bits and pieces to make vanilla HTML just a bit more usable.
+
+// We want to let the user have a selection on collapsible blocks without collapsing them when
+// the user finishes marking their selection.
+document.addEventListener("click", event => {
+    console.log(getSelection());
+    if (getSelection().type == "Range") {
+        event.preventDefault();
+    }
+})

template/index.hbs

@@ -3,12 +3,20 @@
 <html>
 
 <head>
+    <meta charset="UTF-8">
+
     <title>{{ config.user.title }}</title>
-    <link rel="stylesheet" href="{{ local 'static/main.css' }}">
+
+    <link rel="stylesheet" href="{{ site }}/static/css/main.css">
+    <link rel="stylesheet" href="{{ site }}/static/font/font.css">
+
+    <script type="module" src="{{ site }}/static/js/usability.js"></script>
 </head>
 
 <body>
-    {{{ tree }}}
+    <main class="tree">
+        {{{ tree }}}
+    </main>
 </body>
 
 </html>