diff --git a/README.md b/README.md
index 277e71e..25f4ae0 100644
--- a/README.md
+++ b/README.md
@@ -14,8 +14,7 @@ NIH syndrome :3
 
 ```bash
 # external dependencies (unfortunately i could not reasonably replace these with racket)
-(cd ext-mathml && npm install)
-pip3 install --user pygments
+(cd ext && cargo build)
 # install the package
 raco pkg install $PWD
 # ensure your PATH has racket stuff on it. replace 8.1 with your version
diff --git a/doc/todo.md b/doc/todo.md
new file mode 100644
index 0000000..8b036a9
--- /dev/null
+++ b/doc/todo.md
@@ -0,0 +1,11 @@
+# todo
+
+- prefers-color-scheme
+- firefox alternative stylesheets too maybe
+- rss/atom
+- webmentions
+- reject brave (lol)
+- support tor and opennic
+- activitypub
+- gopher and gemini variants
+- nginx caching headers
diff --git a/ext-mathml/.gitignore b/ext-mathml/.gitignore
deleted file mode 100644
index 3c3629e..0000000
--- a/ext-mathml/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-node_modules
diff --git a/ext-mathml/main.rkt b/ext-mathml/main.rkt
deleted file mode 100644
index 9275f5c..0000000
--- a/ext-mathml/main.rkt
+++ /dev/null
@@ -1,35 +0,0 @@
-#lang racket/base
-
-(require racket/list racket/match racket/runtime-path racket/string xml
-         "../util.rkt")
-
-(define-runtime-path *js-path* "mathml-render.js")
-
-(provide transform-xexprs scss-files)
-
-(define (mathtex-type? s)
-  (and (string? s) (regexp-match #rx"^math/tex" s) #t))
-
-(define (transform-xexprs xexprs)
-  (map transform-xexpr xexprs))
-
-(define (run-mathjax source block?)
-  (define out-str (run-external (list "node" (path->string *js-path*)) source))
-
-  (match-define (list 'math attrs bodies ...) (string->xexpr out-str))
-  `(math ,(cons (list 'display (if block? "block" "inline"))
-                (filter (λ (x) (not (eq? (first x) 'display))) attrs))
-         ,@bodies))
-
-(define (transform-xexpr xexpr)
-  (match xexpr
-    [(list 'script (list (list 'type (? mathtex-type? type)))
-           bodies ...)
-     (define body (apply string-append bodies))
-     (define block? (> (length (string-split type " ")) 1))
-     (run-mathjax body block?)]
-    [(list tag attrs body ...)
-     (cons tag (cons attrs (map transform-xexpr body)))]
-    [(? string? str) str]))
-
-(define scss-files '())
diff --git a/ext-mathml/mathml-render.js b/ext-mathml/mathml-render.js
deleted file mode 100644
index 298358f..0000000
--- a/ext-mathml/mathml-render.js
+++ /dev/null
@@ -1,17 +0,0 @@
-const fs = require('fs');
-const mjAPI = require("mathjax-node");
-
-mjAPI.config({
-  MathJax: {}
-});
-mjAPI.start();
-
-let data = fs.readFileSync(0, 'utf-8');
-
-mjAPI.typeset({
-  math: data,
-  format: "TeX",
-  mml: true,
-}, function (data) {
-  if (!data.errors) {console.log(data.mml)}
-});
diff --git a/ext-mathml/package-lock.json b/ext-mathml/package-lock.json
deleted file mode 100644
index 817f7f5..0000000
--- a/ext-mathml/package-lock.json
+++ /dev/null
@@ -1,1571 +0,0 @@
-{
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-  "lockfileVersion": 2,
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-      "bin": {
-        "acorn": "bin/acorn"
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-      "engines": {
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-      "dependencies": {
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-      "integrity": "sha512-Hz/mrNwitNRh/HUAtM/VT/5VH+ygD6DV7mYKZAtHOrbs8U7lvPS6xf7EJKMF0uW1KJCl0H701g3ZGus+muE5vQ=="
-    },
-    "ws": {
-      "version": "5.2.2",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-5.2.2.tgz",
-      "integrity": "sha512-jaHFD6PFv6UgoIVda6qZllptQsMlDEJkTQcybzzXDYM1XO9Y8em691FGMPmM46WGyLU4z9KMgQN+qrux/nhlHA==",
-      "requires": {
-        "async-limiter": "~1.0.0"
-      }
-    },
-    "xml-name-validator": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/xml-name-validator/-/xml-name-validator-3.0.0.tgz",
-      "integrity": "sha512-A5CUptxDsvxKJEU3yO6DuWBSJz/qizqzJKOMIfUJHETbBw/sFaDxgd6fxm1ewUaM0jZ444Fc5vC5ROYurg/4Pw=="
-    }
-  }
-}
diff --git a/ext-mathml/package.json b/ext-mathml/package.json
deleted file mode 100644
index 21faef1..0000000
--- a/ext-mathml/package.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "dependencies": {
-    "mathjax-node": "^2.1.1"
-  }
-}
diff --git a/ext-syntax/css/colors.scss b/ext-syntax/css/colors.scss
deleted file mode 100644
index eaea11f..0000000
--- a/ext-syntax/css/colors.scss
+++ /dev/null
@@ -1,31 +0,0 @@
-
-// Config -----------------------------------
-$syntax-hue:          220;
-$syntax-saturation:   13%;
-$syntax-brightness:   18%;
-
-
-// Monochrome -----------------------------------
-$mono-1: hsl($syntax-hue, 14%, 71%); // default text
-$mono-2: hsl($syntax-hue,  9%, 55%);
-$mono-3: hsl($syntax-hue, 10%, 40%);
-
-// Colors -----------------------------------
-$hue-1:   hsl(187, 47%, 55%); // <-cyan
-$hue-2:   hsl(207, 82%, 66%); // <-blue
-$hue-3:   hsl(286, 60%, 67%); // <-purple
-$hue-4:   hsl( 95, 38%, 62%); // <-green
-
-$hue-5:   hsl(355, 65%, 65%); // <-red 1
-$hue-5-2: hsl(  5, 48%, 51%); // <-red 2
-
-$hue-6:   hsl( 29, 54%, 61%); // <-orange 1
-$hue-6-2: hsl( 39, 67%, 69%); // <-orange 2
-
-
-// Base colors -----------------------------------
-$syntax-fg:     $mono-1;
-$syntax-bg:     hsl($syntax-hue, $syntax-saturation, $syntax-brightness);
-$syntax-gutter: darken($syntax-fg, 26%);
-$syntax-guide:  fade($syntax-fg, 15%);
-$syntax-accent: hsl($syntax-hue, 100%, 66% );
diff --git a/ext-syntax/css/licenses/LICENSE-Atom.md b/ext-syntax/css/licenses/LICENSE-Atom.md
deleted file mode 100644
index 186041e..0000000
--- a/ext-syntax/css/licenses/LICENSE-Atom.md
+++ /dev/null
@@ -1,20 +0,0 @@
-Copyright (c) 2011-2021 GitHub Inc.
-
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/ext-syntax/css/syntax-variables.scss b/ext-syntax/css/syntax-variables.scss
deleted file mode 100644
index d27eb84..0000000
--- a/ext-syntax/css/syntax-variables.scss
+++ /dev/null
@@ -1,56 +0,0 @@
-@import "colors.scss";
-
-// Official Syntax Variables -----------------------------------
-
-// General colors
-$syntax-text-color:            $syntax-fg;
-$syntax-cursor-color:          $syntax-accent;
-$syntax-background-color:      $syntax-bg;
-$syntax-selection-color:       lighten($syntax-background-color, 10%);
-$syntax-selection-flash-color: $syntax-accent;
-
-// Guide colors
-$syntax-wrap-guide-color:          $syntax-guide;
-$syntax-indent-guide-color:        $syntax-guide;
-$syntax-invisible-character-color: $syntax-guide;
-
-// For find and replace markers
-$syntax-result-marker-color:          fade($syntax-accent, 24%);
-$syntax-result-marker-color-selected: $syntax-accent;
-
-// Gutter colors
-$syntax-gutter-text-color:                $syntax-gutter;
-$syntax-gutter-text-color-selected:       $syntax-fg;
-$syntax-gutter-background-color:          $syntax-bg; // unused
-$syntax-gutter-background-color-selected: lighten($syntax-bg, 2%);
-
-// Git colors - For git diff info. i.e. in the gutter
-$syntax-color-renamed:  hsl(208, 100%, 60%);
-$syntax-color-added:    hsl(150,  60%, 54%);
-$syntax-color-modified: hsl(40,   60%, 70%);
-$syntax-color-removed:  hsl(0,    70%, 60%);
-
-// For language entity colors
-$syntax-color-variable:   $hue-5;
-$syntax-color-constant:   $hue-6;
-$syntax-color-property:   $syntax-fg;
-$syntax-color-value:      $syntax-fg;
-$syntax-color-function:   $hue-2;
-$syntax-color-method:     $hue-2;
-$syntax-color-class:      $hue-6-2;
-$syntax-color-keyword:    $hue-3;
-$syntax-color-tag:        $hue-5;
-$syntax-color-attribute:  $hue-6;
-$syntax-color-import:     $hue-3;
-$syntax-color-snippet:    $hue-4;
-
-
-// Custom Syntax Variables -----------------------------------
-// Don't use in packages
-
-$syntax-cursor-line: hsla($syntax-hue, 100%,  80%, .04); // needs to be semi-transparent to show search results
-
-$syntax-deprecated-fg: darken($syntax-color-modified, 50%);
-$syntax-deprecated-bg: $syntax-color-modified;
-$syntax-illegal-fg:    white;
-$syntax-illegal-bg:    $syntax-color-removed;
diff --git a/ext-syntax/css/syntax.scss b/ext-syntax/css/syntax.scss
deleted file mode 100644
index 3727e7c..0000000
--- a/ext-syntax/css/syntax.scss
+++ /dev/null
@@ -1,106 +0,0 @@
-// LESS for Pygments
-
-@import "syntax-variables.scss";
-
-pre.highlight, .highlight {
-  background: $syntax-bg;
-  color: $mono-1;
-}
-
-.highlighttable {
-  background: $syntax-gutter-background-color;
-  color: $syntax-gutter-text-color;
-
-  margin: 0.5em;
-
-  pre {
-    margin: 0;
-  }
-
-  .linenos {
-    user-select: none;
-  }
-}
-
-.highlight {
-  pre { background: $syntax-bg; }
-  .hll { background: $syntax-bg; }
-  .c {  color: $mono-3; font-style: italic;  } /* Comment */
-  .err { color: $syntax-illegal-fg; background-color: $syntax-illegal-bg; } /* Error */
-  .k { color: $hue-3;  } /* Keyword */
-  .l { color: $hue-4; } /* Literal */
-  .n { color: $mono-1; } /* Name */
-  .o { color: $mono-1; } /* Operator */
-  .p { color: $mono-1; } /* Punctuation */
-  .cm { color: $mono-3; font-style: italic; } /* Comment.Multiline */
-  .cp { color: $mono-3; font-style: italic; } /* Comment.Preproc */
-  .c1 { color: $mono-3; font-style: italic; } /* Comment.Single */
-  .cs { color: $mono-3; font-style: italic; } /* Comment.Special */
-  .ge { font-style: italic } /* Generic.Emph */
-  .gs { font-weight: bold } /* Generic.Strong */
-  .kc { color: $hue-3;  } /* Keyword.Constant */
-  .kd { color: $hue-3;  } /* Keyword.Declaration */
-  .kn { color: $hue-3;  } /* Keyword.Namespace */
-  .kp { color: $hue-3;  } /* Keyword.Pseudo */
-  .kr { color: $hue-3;  } /* Keyword.Reserved */
-  .kt { color: $hue-3;  } /* Keyword.Type */
-  .ld { color: $hue-4; } /* Literal.Date */
-  .m { color: $hue-6; } /* Literal.Number */
-  .s { color: $hue-4; } /* Literal.String */
-  .na { color: $hue-6; } /* Name.Attribute */
-  .nb { color: $hue-6-2; } /* Name.Builtin */
-  .nc { color: $hue-6-2; } /* Name.Class */
-  .no { color: $hue-6-2; } /* Name.Constant */
-  .nd { color: $hue-6-2; } /* Name.Decorator */
-  .ni { color: $hue-6-2; } /* Name.Entity */
-  .ne { color: $hue-6-2; } /* Name.Exception */
-  .nf { color: $hue-2; } /* Name.Function */
-  .nl { color: $hue-6-2; } /* Name.Label */
-  .nn { color: $mono-1; } /* Name.Namespace */
-  .nx { color: $mono-1; } /* Name.Other */
-  .py { color: $hue-6-2; } /* Name.Property */
-  .nt { color: $hue-5; } /* Name.Tag */
-  .nv { color: $hue-6-2; } /* Name.Variable */
-  .ow { font-weight: bold; } /* Operator.Word */
-  .w { color: #f8f8f2 } /* Text.Whitespace */
-  .mf { color: $hue-6; } /* Literal.Number.Float */
-  .mh { color: $hue-6; } /* Literal.Number.Hex */
-  .mi { color: $hue-6; } /* Literal.Number.Integer */
-  .mo { color: $hue-6; } /* Literal.Number.Oct */
-  .sb { color: $hue-4; } /* Literal.String.Backtick */
-  .sc { color: $hue-4; } /* Literal.String.Char */
-  .sd { color: $hue-4; } /* Literal.String.Doc */
-  .s2 { color: $hue-4; } /* Literal.String.Double */
-  .se { color: $hue-4; } /* Literal.String.Escape */
-  .sh { color: $hue-4; } /* Literal.String.Heredoc */
-  .si { color: $hue-4; } /* Literal.String.Interpol */
-  .sx { color: $hue-4; } /* Literal.String.Other */
-  .sr { color: $hue-1; } /* Literal.String.Regex */
-  .s1 { color: $hue-4; } /* Literal.String.Single */
-  .ss { color: $hue-1; } /* Literal.String.Symbol */
-  .bp { color: $hue-6-2; } /* Name.Builtin.Pseudo */
-  .vc { color: $hue-6-2; } /* Name.Variable.Class */
-  .vg { color: $hue-6-2; } /* Name.Variable.Global */
-  .vi { color: $hue-5; } /* Name.Variable.Instance */
-  .il { color: $hue-6; } /* Literal.Number.Integer.Long */
-
-  .gh { } /* Generic Heading & Diff Header */
-  .gu { color: #75715e; } /* Generic.Subheading & Diff Unified/Comment? */
-  .gd { color: $syntax-color-removed; } /* Generic.Deleted & Diff Deleted */
-  .gi { color: $syntax-color-added; } /* Generic.Inserted & Diff Inserted */
-
-  ::selection { background-color: $syntax-selection-color; }
-
-  .language-json {
-    .w + .s2 { color: $hue-5; }
-    .kc { color: $hue-1; }
-  }
-
-  .language-python {
-    // python related modifications
-  }
-
-  .language-csharp {
-    // csharp related modifications
-  }
-}
diff --git a/ext-syntax/main.rkt b/ext-syntax/main.rkt
deleted file mode 100644
index 33f9bf4..0000000
--- a/ext-syntax/main.rkt
+++ /dev/null
@@ -1,36 +0,0 @@
-#lang racket/base
-
-(require racket/list racket/match racket/runtime-path racket/string xml
-         "../util.rkt")
-
-(define-runtime-path *python-path* "syntax-render.py")
-(define-runtime-path *css-path* "css")
-
-(provide transform-xexprs scss-files)
-
-(define (brush-class? s)
-  (and (string? s) (regexp-match #rx"^brush:" s) #t))
-
-(define (transform-xexprs xexprs)
-  (map transform-xexpr xexprs))
-
-(define (run-pygments lang source)
-  (define out-str
-    (run-external (list "python3" (path->string *python-path*) lang) source))
-  (string->xexpr out-str))
-
-(define (transform-xexpr xexpr)
-  (match xexpr
-    [(list 'pre (list (list 'class (? brush-class? cls)))
-           (list 'code '() bodies ...))
-     (define lang (second (string-split cls " ")))
-     (define body (apply string-append bodies))
-     (run-pygments lang body)]
-    [(list 'pre '() (list 'code '() bodies ...))
-     (define body (apply string-append bodies))
-     (run-pygments "text" body)]
-    [(list tag attrs body ...)
-     (cons tag (cons attrs (map transform-xexpr body)))]
-    [(? string? str) str]))
-
-(define scss-files (list (build-path *css-path* "syntax.scss")))
diff --git a/ext-syntax/syntax-render.py b/ext-syntax/syntax-render.py
deleted file mode 100644
index 2f8df7e..0000000
--- a/ext-syntax/syntax-render.py
+++ /dev/null
@@ -1,17 +0,0 @@
-import sys
-
-from pygments import highlight
-from pygments.lexers import get_lexer_by_name
-from pygments.util import ClassNotFound
-from pygments.formatters import HtmlFormatter
-
-formatter = HtmlFormatter(linenos="table", encoding="utf-8")
-
-try:
-    lexer = get_lexer_by_name(sys.argv[1], encoding="utf-8")
-except IndexError:
-    sys.stderr.write("must provide lexer name")
-except:
-    sys.stderr.write(f"couldn't find lexer {sys.argv[1]}\n")
-
-sys.stdout.write(highlight(sys.stdin.read(), lexer, formatter).decode("utf-8"))
diff --git a/ext/.gitignore b/ext/.gitignore
new file mode 100644
index 0000000..eb5a316
--- /dev/null
+++ b/ext/.gitignore
@@ -0,0 +1 @@
+target
diff --git a/ext/Cargo.lock b/ext/Cargo.lock
new file mode 100644
index 0000000..24a9d3e
--- /dev/null
+++ b/ext/Cargo.lock
@@ -0,0 +1,1200 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
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+ "memmap",
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+ "once_cell",
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+ "serde",
+ "serde_json",
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+ "stable_deref_trait",
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+ "thiserror",
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+
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+]
diff --git a/ext/Cargo.toml b/ext/Cargo.toml
new file mode 100644
index 0000000..2e7698b
--- /dev/null
+++ b/ext/Cargo.toml
@@ -0,0 +1,7 @@
+[workspace]
+members = [
+    "syntax",
+    "mathml",
+    "fulltext",
+    "capybara-ext"
+]
diff --git a/ext/capybara-ext/Cargo.toml b/ext/capybara-ext/Cargo.toml
new file mode 100644
index 0000000..1abf901
--- /dev/null
+++ b/ext/capybara-ext/Cargo.toml
@@ -0,0 +1,19 @@
+[package]
+name = "capybara-ext"
+version = "0.1.0"
+authors = ["haskal <haskal@awoo.systems>"]
+edition = "2018"
+
+[lib]
+name = "capybara"
+crate_type = ["dylib"]
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+serde = { version = "1.0", features = ["derive"] }
+serde-lexpr = "0.1.2"
+
+syntax = { path = "../syntax" }
+mathml = { path = "../mathml" }
+fulltext = { path = "../fulltext" }
diff --git a/ext/capybara-ext/src/lib.rs b/ext/capybara-ext/src/lib.rs
new file mode 100644
index 0000000..dc6c4c2
--- /dev/null
+++ b/ext/capybara-ext/src/lib.rs
@@ -0,0 +1,4 @@
+#[no_mangle]
+pub extern "C" fn meow() -> u64 {
+    1337
+}
diff --git a/ext/capybara-ext/src/main.rs b/ext/capybara-ext/src/main.rs
new file mode 100644
index 0000000..8a673dd
--- /dev/null
+++ b/ext/capybara-ext/src/main.rs
@@ -0,0 +1,29 @@
+use serde::{Serialize, Deserialize};
+
+use syntax::{highlight, get_css};
+use mathml::convert;
+
+#[derive(Serialize, Deserialize, Debug)]
+enum Command {
+    Highlight { language: String, source: String },
+    HighlightCss,
+    Mathml { source: String, blockp: bool }
+}
+
+fn main() {
+    let stdin = std::io::stdin();
+    let stdout = std::io::stdout();
+    let result = (||{
+        match serde_lexpr::from_reader(stdin) {
+            Ok(Command::Highlight { ref language, ref source }) =>
+                highlight(&language, &source),
+            Ok(Command::HighlightCss) =>
+                Ok(get_css()),
+            Ok(Command::Mathml { ref source, blockp }) =>
+                convert(&source, blockp),
+            Err(err) =>
+                Err(format!("parse error: {}", err))
+        }
+    })();
+    serde_lexpr::to_writer(&stdout, &result).unwrap();
+}
diff --git a/ext/fulltext/Cargo.toml b/ext/fulltext/Cargo.toml
new file mode 100644
index 0000000..2424584
--- /dev/null
+++ b/ext/fulltext/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "fulltext"
+version = "0.1.0"
+authors = ["haskal <haskal@awoo.systems>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+tantivy = "0.15.0"
diff --git a/ext/fulltext/src/lib.rs b/ext/fulltext/src/lib.rs
new file mode 100644
index 0000000..900b1bd
--- /dev/null
+++ b/ext/fulltext/src/lib.rs
@@ -0,0 +1,86 @@
+#[macro_use]
+extern crate tantivy;
+
+use tantivy::collector::TopDocs;
+use tantivy::query::QueryParser;
+use tantivy::schema::*;
+use tantivy::Index;
+use tantivy::ReloadPolicy;
+
+pub fn make_index() -> tantivy::Result<()> {
+    let mut schema_builder = Schema::builder();
+    schema_builder.add_text_field("title", TEXT | STORED);
+    schema_builder.add_text_field("body", TEXT);
+    let schema = schema_builder.build();
+
+    let index = Index::create_in_ram(schema.clone());
+
+    let mut index_writer = index.writer(50_000_000)?;
+    let title = schema.get_field("title").unwrap();
+    let body = schema.get_field("body").unwrap();
+
+    let mut old_man_doc = Document::default();
+    old_man_doc.add_text(title, "The Old Man and the Sea");
+    old_man_doc.add_text(
+        body,
+        "He was an old man who fished alone in a skiff in the Gulf Stream and \
+         he had gone eighty-four days now without taking a fish.",
+    );
+
+    index_writer.add_document(old_man_doc);
+
+    index_writer.add_document(doc!(
+            title => "Of Mice and Men",
+            body => "A few miles south of Soledad, the Salinas River drops in close to the hillside \
+            bank and runs deep and green. The water is warm too, for it has slipped twinkling \
+            over the yellow sands in the sunlight before reaching the narrow pool. On one \
+            side of the river the golden foothill slopes curve up to the strong and rocky \
+            Gabilan Mountains, but on the valley side the water is lined with trees—willows \
+            fresh and green with every spring, carrying in their lower leaf junctures the \
+            debris of the winter’s flooding; and sycamores with mottled, white, recumbent \
+            limbs and branches that arch over the pool"
+    ));
+
+    index_writer.add_document(doc!(
+            title => "Of Mice and Men",
+            body => "A few miles south of Soledad, the Salinas River drops in close to the hillside \
+            bank and runs deep and green. The water is warm too, for it has slipped twinkling \
+            over the yellow sands in the sunlight before reaching the narrow pool. On one \
+            side of the river the golden foothill slopes curve up to the strong and rocky \
+            Gabilan Mountains, but on the valley side the water is lined with trees—willows \
+            fresh and green with every spring, carrying in their lower leaf junctures the \
+            debris of the winter’s flooding; and sycamores with mottled, white, recumbent \
+            limbs and branches that arch over the pool"
+    ));
+
+    index_writer.add_document(doc!(
+            title => "Frankenstein",
+            title => "The Modern Prometheus",
+            body => "You will rejoice to hear that no disaster has accompanied the commencement of an \
+            enterprise which you have regarded with such evil forebodings.  I arrived here \
+             yesterday, and my first task is to assure my dear sister of my welfare and \
+             increasing confidence in the success of my undertaking."
+    ));
+
+   index_writer.commit()?;
+
+   let reader = index
+       .reader_builder()
+       .reload_policy(ReloadPolicy::OnCommit)
+       .try_into()?;
+
+    let searcher = reader.searcher();
+
+    let query_parser = QueryParser::for_index(&index, vec![title, body]);
+
+    let query = query_parser.parse_query("sea whale")?;
+
+    let top_docs = searcher.search(&query, &TopDocs::with_limit(10))?;
+
+    for (_score, doc_address) in top_docs {
+        let retrieved_doc = searcher.doc(doc_address)?;
+        println!("{}", schema.to_json(&retrieved_doc));
+    }
+
+    Ok(())
+}
diff --git a/ext/main.rkt b/ext/main.rkt
new file mode 100644
index 0000000..d9b086e
--- /dev/null
+++ b/ext/main.rkt
@@ -0,0 +1,58 @@
+#lang racket/base
+
+(require racket/list racket/match racket/runtime-path racket/string xml
+         "../util.rkt")
+
+(define-runtime-path *ext-path* "target/debug/capybara-ext")
+
+(provide transform-xexprs get-scss-include)
+
+(define (mathtex-type? s)
+  (and (string? s) (regexp-match #rx"^math/tex" s) #t))
+
+(define (brush-class? s)
+  (and (string? s) (regexp-match #rx"^brush:" s) #t))
+
+(define (transform-xexprs xexprs)
+  (map transform-xexpr xexprs))
+
+(define (run-highlight lang source)
+  (match
+    (run-external
+      (path->string *ext-path*)
+      `(Highlight (language . ,lang) (source . ,source)))
+    [`(Ok . ,result) (string->xexpr result)]
+    [`(Err . ,err) (error "syntax highlighting error:" err)]))
+
+(define (run-mathml source block?)
+  (match
+    (run-external
+      (path->string *ext-path*)
+      `(Mathml (source . ,source) (blockp . ,block?)))
+    [`(Ok . ,result) (string->xexpr result)]
+    [`(Err . ,err) (error "mathml rendering error:" err)]))
+
+(define (transform-xexpr xexpr)
+  (match xexpr
+    [(list 'script (list (list 'type (? mathtex-type? type)))
+           bodies ...)
+     (define body (apply string-append bodies))
+     (define block? (> (length (string-split type " ")) 1))
+     (run-mathml body block?)]
+    [(list 'pre (list (list 'class (? brush-class? cls)))
+           (list 'code '() bodies ...))
+     (define lang (second (string-split cls " ")))
+     (define body (apply string-append bodies))
+     (run-highlight lang body)]
+    [(list 'pre '() (list 'code '() bodies ...))
+     (define body (apply string-append bodies))
+     (run-highlight "txt" body)]
+    [(list tag attrs body ...)
+     (cons tag (cons attrs (map transform-xexpr body)))]
+    [(? string? str) str]))
+
+(define (get-scss-include)
+  (match
+    (run-external (path->string *ext-path*) '(HighlightCss))
+    [`(Ok . ,result) result]
+    [`(Err . ,err) (error "syntax highlighting error:" err)]))
diff --git a/ext/mathml/Cargo.toml b/ext/mathml/Cargo.toml
new file mode 100644
index 0000000..3d61cd9
--- /dev/null
+++ b/ext/mathml/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "mathml"
+version = "0.1.0"
+authors = ["haskal <haskal@awoo.systems>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+latex2mathml = "0.2.3"
diff --git a/ext/mathml/src/lib.rs b/ext/mathml/src/lib.rs
new file mode 100644
index 0000000..175da32
--- /dev/null
+++ b/ext/mathml/src/lib.rs
@@ -0,0 +1,8 @@
+use std::result::Result;
+
+use latex2mathml::{DisplayStyle, latex_to_mathml};
+
+pub fn convert(source: &str, blockp: bool) -> Result<String, String> {
+    latex_to_mathml(source, if blockp { DisplayStyle::Block } else { DisplayStyle::Inline })
+        .map_err(|err| format!("latex error: {}", err))
+}
diff --git a/ext/syntax/Cargo.toml b/ext/syntax/Cargo.toml
new file mode 100644
index 0000000..421335c
--- /dev/null
+++ b/ext/syntax/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "syntax"
+version = "0.1.0"
+authors = ["haskal <haskal@awoo.systems>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+syntect = "4.4"
diff --git a/ext-syntax/css/licenses/LICENSE-OneDarkJekyll b/ext/syntax/assets/LICENSE.one-dark-theme
similarity index 94%
rename from ext-syntax/css/licenses/LICENSE-OneDarkJekyll
rename to ext/syntax/assets/LICENSE.one-dark-theme
index 01d0dfb..ee43265 100644
--- a/ext-syntax/css/licenses/LICENSE-OneDarkJekyll
+++ b/ext/syntax/assets/LICENSE.one-dark-theme
@@ -1,6 +1,6 @@
-MIT License
+The MIT License (MIT)
 
-Copyright (c) 2016 Mihály Gyöngyösi
+Copyright (c) 2016 Andres Michel
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/ext/syntax/assets/One_Dark.tmTheme b/ext/syntax/assets/One_Dark.tmTheme
new file mode 100644
index 0000000..e1a0c3b
--- /dev/null
+++ b/ext/syntax/assets/One_Dark.tmTheme
@@ -0,0 +1,876 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>author</key>
+    <string>IceTimux / Andres Michel</string>
+    <key>name</key>
+    <string>One Dark</string>
+    <key>settings</key>
+    <array>
+    	<dict>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#6c7079</string>
+				<key>background</key>
+				<string>#2B303B</string>
+				<key>invisibles</key>
+				<string>#747369</string>
+				<key>caret</key>
+				<string>#528bff</string>
+				<key>lineHighlight</key>
+				<string>#8cc2fc0b</string>
+				<key>bracketContentsOptions</key>
+				<string>underline</string>
+				<key>bracketContentsForeground</key>
+				<string>#528bff</string>
+				<key>bracketsOptions</key>
+				<string>underline</string>
+				<key>bracketsForeground</key>
+				<string>#528bff</string>
+				<key>tagsOptions</key>
+				<string>underline</string>
+				<key>tagsForeground</key>
+				<string>#528bff</string>
+				<key>findHighlight</key>
+				<string>#314365</string>
+				<key>findHighlightForeground</key>
+				<string>#528bff</string>
+				<key>gutter</key>
+				<string>#2B303B</string>
+				<key>gutterForeground</key>
+				<string>#636d8388</string>
+				<key>selection</key>
+				<string>#bbccf51b</string>
+				<key>selectionBorder</key>
+				<string>#bbccf51b</string>
+				<key>inactiveSelection</key>
+				<string>#bbccf51b</string>
+				<key>guide</key>
+				<string>#464c55</string>
+				<key>activeGuide</key>
+				<string>#464c55</string>
+				<key>stackGuide</key>
+				<string>#464c55</string>
+				<key>highlight</key>
+				<string>#528bff80</string>
+				<key>highlightForeground</key>
+				<string>#528bff</string>
+				<key>shadow</key>
+				<string>#2B303B</string>
+				<key>shadowWidth</key>
+				<string>1</string>
+			</dict>
+		</dict>
+        <dict>
+            <key>name</key>
+            <string>Text and source</string>
+            <key>scope</key>
+            <string>text, source</string>
+            <key>settings</key>
+            <dict>
+                <key>foreground</key>
+                <string>#abb2bf</string>
+            </dict>
+        </dict>
+        <dict>
+			<key>name</key>
+			<string>Text</string>
+			<key>scope</key>
+			<string>variable.parameter.function</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#adb7c9</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Comments</string>
+			<key>scope</key>
+			<string>comment, punctuation.definition.comment</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#5f697a</string>
+				<key>fontStyle</key>
+				<string> italic</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Delimiters</string>
+			<key>scope</key>
+			<string>none</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#adb7c9</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Operators</string>
+			<key>scope</key>
+			<string>keyword.operator</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#adb7c9</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Keywords</string>
+			<key>scope</key>
+			<string>keyword</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#cd74e8</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Variables</string>
+			<key>scope</key>
+			<string>variable</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#eb6772</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Functions</string>
+			<key>scope</key>
+			<string>entity.name.function, meta.require, support.function.any-method</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#5cb3fa</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Classes</string>
+			<key>scope</key>
+			<string>support.class, entity.name.class, entity.name.type.class</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#f0c678</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Classes</string>
+			<key>scope</key>
+			<string>meta.class</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#adb7c9</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Methods</string>
+			<key>scope</key>
+			<string>keyword.other.special-method</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#5cb3fa</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Storage</string>
+			<key>scope</key>
+			<string>storage</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#cd74e8</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Support</string>
+			<key>scope</key>
+			<string>support.function</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#5ebfcc</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Strings, Inherited Class</string>
+			<key>scope</key>
+			<string>string, constant.other.symbol, entity.other.inherited-class</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#9acc76</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Integers</string>
+			<key>scope</key>
+			<string>constant.numeric</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#db9d63</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Floats</string>
+			<key>scope</key>
+			<string>none</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#db9d63</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Boolean</string>
+			<key>scope</key>
+			<string>none</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#db9d63</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Constants</string>
+			<key>scope</key>
+			<string>constant</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#db9d63</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Tags</string>
+			<key>scope</key>
+			<string>entity.name.tag</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#eb6772</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Attributes</string>
+			<key>scope</key>
+			<string>entity.other.attribute-name</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#db9d63</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Attribute IDs</string>
+			<key>scope</key>
+			<string>entity.other.attribute-name.id, punctuation.definition.entity</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#db9d63</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Selector</string>
+			<key>scope</key>
+			<string>meta.selector</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#cd74e8</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Values</string>
+			<key>scope</key>
+			<string>none</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#db9d63</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Headings</string>
+			<key>scope</key>
+			<string>markup.heading punctuation.definition.heading, entity.name.section</string>
+			<key>settings</key>
+			<dict>
+				<key>fontStyle</key>
+				<string></string>
+				<key>foreground</key>
+				<string>#5cb3fa</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Units</string>
+			<key>scope</key>
+			<string>keyword.other.unit</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#db9d63</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Bold</string>
+			<key>scope</key>
+			<string>markup.bold, punctuation.definition.bold</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#f0c678</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Italic</string>
+			<key>scope</key>
+			<string>markup.italic, punctuation.definition.italic</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#cd74e8</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Code</string>
+			<key>scope</key>
+			<string>markup.raw.inline</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#9acc76</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Link Text</string>
+			<key>scope</key>
+			<string>string.other.link, punctuation.definition.string.end.markdown</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#eb6772</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Link Url</string>
+			<key>scope</key>
+			<string>meta.link</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#db9d63</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Lists</string>
+			<key>scope</key>
+			<string>markup.list</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#eb6772</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Quotes</string>
+			<key>scope</key>
+			<string>markup.quote</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#db9d63</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Separator</string>
+			<key>scope</key>
+			<string>meta.separator</string>
+			<key>settings</key>
+			<dict>
+				<key>background</key>
+				<string>#515151</string>
+				<key>foreground</key>
+				<string>#adb7c9</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Inserted</string>
+			<key>scope</key>
+			<string>markup.inserted</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#9acc76</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Deleted</string>
+			<key>scope</key>
+			<string>markup.deleted</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#eb6772</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Changed</string>
+			<key>scope</key>
+			<string>markup.changed</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#cd74e8</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Colors</string>
+			<key>scope</key>
+			<string>constant.other.color</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#5ebfcc</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Regular Expressions</string>
+			<key>scope</key>
+			<string>string.regexp</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#5ebfcc</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Escape Characters</string>
+			<key>scope</key>
+			<string>constant.character.escape</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#5ebfcc</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Embedded</string>
+			<key>scope</key>
+			<string>punctuation.section.embedded, variable.interpolation</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#c94e42</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Illegal</string>
+			<key>scope</key>
+			<string>invalid.illegal</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+                <string>#ffffff</string>
+                <key>background</key>
+                <string>#e05252</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Broken</string>
+			<key>scope</key>
+			<string>invalid.broken</string>
+			<key>settings</key>
+			<dict>
+				<key>background</key>
+				<string>#f99157</string>
+				<key>foreground</key>
+				<string>#2d2d2d</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Deprecated</string>
+			<key>scope</key>
+			<string>invalid.deprecated</string>
+			<key>settings</key>
+			<dict>
+				<key>background</key>
+				<string>#d27b53</string>
+				<key>foreground</key>
+				<string>#2c323d</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Unimplemented</string>
+			<key>scope</key>
+			<string>invalid.unimplemented</string>
+			<key>settings</key>
+			<dict>
+				<key>background</key>
+				<string>#747369</string>
+				<key>foreground</key>
+				<string>#2c323d</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Json key</string>
+			<key>scope</key>
+			<string>source.json                           meta.structure.dictionary.json                              string.quoted.double.json</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#eb6772</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Json value</string>
+			<key>scope</key>
+			<string>source.json                       meta.structure.dictionary.json                           meta.structure.dictionary.value.json                       string.quoted.double.json</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#9acc76</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>json sub key</string>
+			<key>scope</key>
+			<string>source.json                           meta.structure.dictionary.json                          meta.structure.dictionary.value.json                        meta.structure.dictionary.json                      string.quoted.double.json</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#eb6772</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>Json sub value</string>
+			<key>scope</key>
+			<string>source.json                       meta.structure.dictionary.json                        meta.structure.dictionary.value.json                       meta.structure.dictionary.json                          meta.structure.dictionary.value.json                            string.quoted.double.json</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#9acc76</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>laravel blade tag</string>
+			<key>scope</key>
+			<string>text.html.laravel-blade                        source.php.embedded.line.html                     entity.name.tag.laravel-blade</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#cd74e8</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>laravel blade @</string>
+			<key>scope</key>
+			<string>text.html.laravel-blade                         source.php.embedded.line.html                    support.constant.laravel-blade</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#cd74e8</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>python function parameter</string>
+			<key>scope</key>
+			<string>source.python meta.function.python meta.function.parameters.python variable.parameter.function.python</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#db9d63</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>python meta function</string>
+			<key>scope</key>
+			<string>source.python meta.function-call.python support.type.python</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#5ebfcc</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>python logical keyword</string>
+			<key>scope</key>
+			<string>source.python keyword.operator.logical.python</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#cd74e8</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>python class ( begin</string>
+			<key>scope</key>
+			<string>source.python meta.class.python punctuation.definition.inheritance.begin.python</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#f0c678</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>python class ) end</string>
+			<key>scope</key>
+			<string>source.python meta.class.python punctuation.definition.inheritance.end.python</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#f0c678</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>python function call parameter name</string>
+			<key>scope</key>
+			<string>source.python meta.function-call.python meta.function-call.arguments.python variable.parameter.function.python</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#db9d63</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>php fcuntion constants</string>
+			<key>scope</key>
+			<string>text.html.basic                   source.php.embedded.block.html                             support.constant.std.php</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#db9d63</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>php namespace name</string>
+			<key>scope</key>
+			<string>text.html.basic                              source.php.embedded.block.html                               meta.namespace.php                              entity.name.type.namespace.php</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#f0c678</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>javascript meta constant</string>
+			<key>scope</key>
+			<string>source.js                              meta.function.js                       support.constant.js</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#db9d63</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>php namespace in top</string>
+			<key>scope</key>
+			<string>text.html.basic`                               source.php.embedded.block.html                        constant.other.php</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#cd74e8</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>php namespace name in top</string>
+			<key>scope</key>
+			<string>text.html.basic                              source.php.embedded.block.html                               support.other.namespace.php</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#db9d63</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>latex label names</string>
+			<key>scope</key>
+			<string>text.tex.latex                               meta.function.environment.math.latex                               string.other.math.block.environment.latex                               meta.definition.label.latex                               variable.parameter.definition.label.latex</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#adb7c9</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>latex italic emph</string>
+			<key>scope</key>
+			<string>text.tex.latex                           meta.function.emph.latex                              markup.italic.emph.latex</string>
+			<key>settings</key>
+			<dict>
+				<key>fontStyle</key>
+				<string> italic</string>
+				<key>foreground</key>
+				<string>#cd74e8</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>subl_new js vars</string>
+			<key>scope</key>
+			<string>source.js                          variable.other.readwrite.js</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#adb7c9</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>new_subl js $</string>
+			<key>scope</key>
+			<string>source.js                         meta.function-call.with-arguments.js                        variable.function.js</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#adb7c9</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>new_subl js call method</string>
+			<key>scope</key>
+			<string>source.js                            meta.group.braces.round                           meta.group.braces.curly                             meta.function-call.method.without-arguments.js                    variable.function.js</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#adb7c9</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>new_subl e js</string>
+			<key>scope</key>
+			<string>source.js                            meta.group.braces.round                            meta.group.braces.curly                            variable.other.object.js</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#adb7c9</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>new_subl js key</string>
+			<key>scope</key>
+			<string>source.js                             meta.group.braces.round                           meta.group.braces.curly                            constant.other.object.key.js                            string.unquoted.label.js</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#adb7c9</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>new_subl obejct key</string>
+			<key>scope</key>
+			<string>source.js                       meta.group.braces.round                            meta.group.braces.curly                           constant.other.object.key.js                         punctuation.separator.key-value.js</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#adb7c9</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>new_subl js method with args</string>
+			<key>scope</key>
+			<string>source.js                            meta.group.braces.round                           meta.group.braces.curly                           meta.function-call.method.with-arguments.js                 variable.function.js</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#adb7c9</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>new_subl js variable function</string>
+			<key>scope</key>
+			<string>source.js                            meta.function-call.method.with-arguments.js                        variable.function.js</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#adb7c9</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>name</key>
+			<string>new_subl variabel function method</string>
+			<key>scope</key>
+			<string>source.js                       meta.function-call.method.without-arguments.js                       variable.function.js</string>
+			<key>settings</key>
+			<dict>
+				<key>foreground</key>
+				<string>#adb7c9</string>
+			</dict>
+		</dict>
+    </array>
+</dict>
+</plist>
diff --git a/ext/syntax/src/lib.rs b/ext/syntax/src/lib.rs
new file mode 100644
index 0000000..467ca5b
--- /dev/null
+++ b/ext/syntax/src/lib.rs
@@ -0,0 +1,29 @@
+use std::result::Result;
+
+use syntect::html::{ClassedHTMLGenerator, ClassStyle, css_for_theme_with_class_style};
+use syntect::parsing::SyntaxSet;
+use syntect::highlighting::ThemeSet;
+use syntect::util::LinesWithEndings;
+
+pub fn highlight(syntax_name: &str, source: &str) -> Result<String, String> {
+    let syntax_set = SyntaxSet::load_defaults_newlines();
+    let syntax = syntax_set.find_syntax_by_token(syntax_name)
+        .ok_or(format!("couldn't find syntax {}", syntax_name))?;
+    let mut html_generator =
+        ClassedHTMLGenerator::new_with_class_style(&syntax, &syntax_set, ClassStyle::Spaced);
+    for line in LinesWithEndings::from(source) {
+        html_generator.parse_html_for_line_which_includes_newline(&line);
+    }
+
+    let result = html_generator.finalize();
+    Ok(format!("<pre class=\"code\">{}</pre>", result))
+}
+
+// const ONEDARK_THEME: &'static str = include_str!("../assets/One_Dark.tmTheme");
+
+pub fn get_css() -> String {
+    // let mut reader = std::io::Cursor::new(ONEDARK_THEME);
+    // let theme = ThemeSet::load_from_reader(&mut reader).unwrap();
+    let theme = &ThemeSet::load_defaults().themes["base16-ocean.dark"];
+    css_for_theme_with_class_style(&theme, ClassStyle::Spaced)
+}
diff --git a/render.rkt b/render.rkt
index c38d621..4725214 100644
--- a/render.rkt
+++ b/render.rkt
@@ -6,8 +6,7 @@
          "compiler.rkt" "defs.rkt" "fetch.rkt"
          threading
          (prefix-in sass: sass)
-         (prefix-in mathml: "ext-mathml/main.rkt")
-         (prefix-in syntax: "ext-syntax/main.rkt")
+         (prefix-in ext: "ext/main.rkt")
          (prefix-in page: "templates/page.html.rkt"))
 
 (provide scan-for-rules)
@@ -20,7 +19,9 @@
 (define *index.md* (build-path "index.md"))
 (define *config.rktd* (build-path "config.rktd"))
 
-(define *reserved-slugs* (set (build-path "hashtag") (build-path "user") (build-path "tech")))
+(define *reserved-slugs*
+  (apply set (map build-path '("hashtag" "user" "tech" "capybara" "dynamic" "robots.txt"
+                               "sitemap.xml" "feeds"))))
 
 (define (read-input-doc xref-name [port (current-input-port)])
   (define metadata (read port))
@@ -103,7 +104,7 @@
   (match-define (input-doc md xref-name text) doc)
   (define output-raw (parse-markdown text))
   (define output-cooked
-    (~> output-raw syntax:transform-xexprs mathml:transform-xexprs
+    (~> output-raw ext:transform-xexprs
         (extract-text-starting-with/many *hashtag-char* 'hashtag)
         (extract-text-starting-with/many *user-char* 'user)
         (extract-prefixed-links/many *xref-char* 'xref)
@@ -190,10 +191,11 @@
     (with-output-to-string (λ () (display "<!doctype html>") (display-xexpr document)))))
 
 (define (compile-index-scss index.scss)
-  (define scss-files (cons *render.scss* (append mathml:scss-files syntax:scss-files)))
+  (define scss-files (list *render.scss*))
   (define top-level-style
     (string-join
-      (cons index.scss (map (λ (x) (format "@import \"~a\";" (path->string x))) scss-files))
+      (apply list index.scss (ext:get-scss-include)
+             (map (λ (x) (format "@import \"~a\";" (path->string x))) scss-files))
       "\n"))
   (sass:compile/string top-level-style #t))
 
diff --git a/util.rkt b/util.rkt
index 2ef98a1..9844032 100644
--- a/util.rkt
+++ b/util.rkt
@@ -11,16 +11,16 @@
 (define (~r/pad num pad-to)
   (~r num #:min-width pad-to #:pad-string "0"))
 
-(define (run-external argv source)
-  (printf "  running external program: ~a\n" argv)
+(define (run-external prog input)
+  (printf "  running external program: ~a\n" prog)
   (define-values [proc out in err]
-    (apply subprocess #f #f #f "/usr/bin/env" argv))
-  (define out-str #f)
+    (subprocess #f #f #f prog))
+  (define out-val #f)
   (define err-str "")
-  (define out-reader (thread (λ () (set! out-str (port->string out)))))
+  (define out-reader (thread (λ () (set! out-val (read out)))))
   (define err-reader (thread (λ () (set! err-str (port->string err)))))
 
-  (write-string source in)
+  (write input in)
   (flush-output in)
   (close-output-port in)
 
@@ -32,7 +32,7 @@
   (unless (string=? "" err-trimmed)
     (error "child process raised error!" err-trimmed))
 
-  (unless out-str
+  (unless out-val
     (error "child process didn't return anything!"))
 
-  out-str)
+  out-val)