Simplify responsive content layout CSS

assets/css/default.css

@@ -1,62 +1,86 @@
 :root {
     --color-text: black;
     --color-tag1: gray;
-    --color-tag2: darkolivegreen;
     --color-bg: white;
     --color-notice: #fb4f4f;
+    --color-link: #0645ad;
+    --color-link-visited: #551a8b;
+    --layout-max-width: 1350px;
+    --mobile-max-width: 876px;
+    --content-max-width: 800px;
+    --toc-width: 33%;
+    --toc-width-no-sidenotes: 18rem;
 }
 
 html {
-    scrollbar-gutter: stable;
-    scroll-behavior: smooth;
     font-size: 110%;
+    scroll-behavior: smooth;
+    scrollbar-gutter: stable;
 }
 
 body {
-    font-family: 'Lato', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
+    font-family:
+        "Lato",
+        -apple-system,
+        BlinkMacSystemFont,
+        "PingFang SC",
+        "Microsoft YaHei",
+        sans-serif;
     font-optical-sizing: auto;
-    font-weight: 400;
-    font-style: normal;
     font-size: 1rem;
-    line-height: 140%;
+    line-height: 1.4;
     color: var(--color-text);
     background-color: var(--color-bg);
     text-rendering: optimizeLegibility;
 }
 
-body a {
+a {
+    color: var(--color-link);
     text-decoration: none;
 }
 
-body a:hover {
+a:visited {
+    color: var(--color-link-visited);
+}
+
+a[href^="#"]:visited {
+    color: var(--color-link);
+}
+
+a:hover {
     text-decoration: underline;
 }
+
 details {
     padding-left: 1em;
     border: 2px solid var(--color-text);
 }
+
 summary:hover {
     cursor: pointer;
 }
 
-/*mathML*/
-.htmlmathparagraph, mtext,math {
+/* Math */
+.htmlmathparagraph,
+math,
+mtext {
     font-family: Lete Sans Math;
 }
-.math-container,
-#math-container {
+
+#math-container,
+.math-container {
     display: block;
     overflow-x: auto;
     overflow-y: hidden;
-	    padding: .5em;
-	}
+    padding: 0.5em;
+}
 
 .equation {
     display: grid;
     grid-template-columns: minmax(0, 1fr) auto;
     align-items: center;
     column-gap: 1em;
-    margin: .5em 0;
+    margin: 0.5em 0;
 }
 
 .equation .math-container {
@@ -64,10 +88,11 @@ summary:hover {
 }
 
 .equation-number {
-    white-space: nowrap;
     font-style: normal;
+    white-space: nowrap;
 }
 
+/* Text */
 .text-space .langtag {
     color: var(--color-tag1);
 }
@@ -76,86 +101,69 @@ summary:hover {
     font-variant-caps: small-caps;
 }
 
+.uri,
 a.url {
-    word-break: break-all;
-}
-
-html body div.text-space main ul.post-list {
-    list-style-type: none;
-    padding-left: 1em;
-}
-
-/* top bar */
-header {
-    font-weight: 400;
-    font-family: "IosevkaC", sans-serif;
-}
-nav a {
-    display: inline-block;
-    text-decoration: none;
-}
-
-.uri {
-    word-wrap: break-word;
     overflow-wrap: break-word;
     word-break: break-all;
     white-space: normal;
 }
 
+.post-list {
+    list-style: none;
+    padding-left: 1em;
+}
+
+header {
+    margin-top: 1rem;
+    font-size: 2rem;
+    font-weight: 400;
+    line-height: 1.2;
+}
+
 footer {
-    color: var(--color-text);
     font-size: 0.8rem;
     margin-top: 2em;
-    text-align: right;
     padding-right: 1em;
+    text-align: right;
 }
 
 .pagetitle {
     font-size: 2rem;
-    font-weight: normal;
-    font-style: normal;
+    font-weight: 400;
+    line-height: 1;
     text-align: left;
-    line-height: 100%;
+}
+
+.subtitle {
+    font-size: 1.2rem;
+    margin-top: 0;
+    text-align: left;
+}
+
+.draft-notice {
+    color: var(--color-notice);
+    margin: 1em auto;
+    text-align: center;
+}
+
+h1,
+h2,
+h3 {
+    margin-top: 1em;
+    font-style: normal;
+    font-weight: 700;
 }
 
 h1 {
-    margin-top: 1em;
     font-size: 1.44rem;
-    font-weight: bold;
-    font-style: normal;
 }
 
 h2 {
-    margin-top: 1em;
     font-size: 1.2rem;
-    font-weight: bold;
-    font-style: normal
 }
 
 h3 {
-    margin-top: 1em;
     font-size: 1rem;
-    font-weight: bold;
-    font-style: normal
-}
-
-article .header {
-    font-size: 1rem;
-    font-style: normal;
-    color: var(--color-tag1);
-    text-align: left;
-}
-
-
-.info,.info a {
-    color: var(--color-tag2);
-    font-size: 1rem;
-    font-style: normal;
-    text-align: left;
-}
-
-.info a:visited {
-    color: var(--color-tag2);
 }
 
 section.body {
@@ -167,18 +175,17 @@ section.body {
     line-height: normal;
 }
 
-/* table. copied from https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/table */
+/* Tables */
 table {
     border-collapse: collapse;
     border: 2px solid rgb(140 140 140);
-  font-size: 0.8rem;
-  letter-spacing: 1px;
+    font-size: 1rem;
 }
 
 caption {
     caption-side: bottom;
     padding: 10px;
-  font-weight: bold;
+    font-weight: 700;
 }
 
 thead,
@@ -205,161 +212,149 @@ tfoot th {
 }
 
 tfoot td {
-  font-weight: bold;
+    font-weight: 700;
 }
 
-
+/* Media */
 figure {
     display: flex;
     flex-flow: column;
-    padding: 5px;
-    margin: auto;
     max-width: 80%;
+    margin: auto;
+    padding: 5px;
 }
 
 .centerimg img {
-    margin: 0 auto 0 auto;
     display: block;
+    margin: 0 auto;
 }
 
-
-div.highlight,
+.highlight,
 pre code {
+    display: block;
     margin: auto;
     padding: 10px;
     overflow: auto;
-    display: block;
 }
 
 code {
-    font-family: "IosevkaC", monospace;
-    margin: 0 auto;
     display: inline-block;
-    padding: 0px 2px;
+    margin: 0 auto;
+    padding: 0 2px;
     border-radius: 2px;
+    font-family: "IosevkaC", monospace;
     font-variant-ligatures: none;
     font-kerning: none;
     text-rendering: optimizeSpeed;
 }
 
-
-.draft-notice {
-    color: var(--color-notice);
-    margin: 1em auto;
-    text-align: center
-}
-
-
-.subtitle {
-    text-align: left;
-    font-size: 1.2rem;
-    margin-top: 0
-}
 .gallery {
-    margin-top: 2em;
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
     gap: 12px;
+    margin-top: 2em;
 }
 
 .gallery img {
+    display: block;
     width: 100%;
     max-width: 320px;
-    display: block;
-}
-
-/* phones -- no sidebar no sidenotes*/
-@media (max-width: 768px) {
-    body {
-        /* width: 90%; */
-        margin: auto;
-        padding: 0 5%;
-        text-align: left;
-        max-width: 876px;
-    }
-    mjx-container[display="true"]
-    /*, .katex-display */ {
-        overflow-x: auto;
-        overflow-y: hidden;
-    }
-
-    /* .katex-display>.katex>.katex-html>.tag {
-        display: inline-block;
-        position: relative;
-        padding-left: 10pt;
-    } */
 }
 
+/* Layout */
 .toc {
     display: none;
 }
 
-/* sidebar. no sidenotes */
+@media (max-width: 768px) {
+    body {
+        max-width: var(--mobile-max-width);
+        margin: auto;
+        padding: 0 5%;
+        text-align: left;
+    }
+
+    mjx-container[display="true"] {
+        overflow-x: auto;
+        overflow-y: hidden;
+    }
+}
+
 @media (min-width: 769px) {
     body {
-        max-width: 1350px;
-        display: -webkit-flex;
-        -webkit-flex-flow: row wrap;
-        display: -ms-flexbox;
-        -ms-flex-flow: row wrap;
+        display: flex;
         flex-flow: row wrap;
         width: 95%;
-        padding-right: 5%;
+        max-width: var(--layout-max-width);
         margin: auto;
+        padding-right: 5%;
     }
 
     .toc {
+        display: block;
+        width: var(--toc-width);
         margin-top: 5rem;
-        margin-left: 0;
-        margin-right: 0;
-        width: 33%;
-        display: inline-block;
     }
 
-    div#contents ul,
-    div#contents-big ul {
-        margin-top: 0.5em;
-        margin-bottom: 0.5em;
+    #contents ul,
+    #contents-big ul {
+        list-style: none;
+        margin: 0.5em 0;
         padding-left: 1em;
         line-height: 1.2;
-        list-style-type: decimal;
-        margin-left: 0
     }
 
-    div#contents-big ul ul {
-        list-style-type: none;
+    #contents-big li + li {
+        margin-top: 0.5em;
     }
 
-    div#contents-big li+li {
-        margin-top: 0.5em
+    #contents-big .toc-section-number {
+        margin-right: 0.2em;
     }
 
-    div#contents-big {
-        font-size: 80%;
-        padding-top: 0;
-        padding-left: 1rem;
-        text-align: left;
-        max-width: 60%;
-        clear: both;
-        margin-right: 4em;
+    #contents-big {
         position: sticky;
         top: 5rem;
-        left: 100%
+        left: 100%;
+        clear: both;
+        max-width: 60%;
+        margin-right: 4em;
+        padding-left: 1rem;
+        font-size: 80%;
+        text-align: left;
     }
 
-    div#contents-big .mini-header {
-        font-weight: bold;
+    #contents-big .mini-header {
         margin: 0;
         font-variant: small-caps;
+        font-weight: 700;
     }
 
     .text-space {
-        display: inline-block;
         width: 66%;
-        max-width: 800px;
+        max-width: var(--content-max-width);
+        min-width: 0;
     }
 }
-/* sidebar+sidenotes */
+
+@media (min-width: 769px) and (max-width: 1199px) {
+    .toc {
+        flex: 0 0 var(--toc-width-no-sidenotes);
+        width: var(--toc-width-no-sidenotes);
+    }
+
+    #contents-big {
+        max-width: none;
+        margin-right: 2rem;
+    }
+
+    .text-space {
+        flex: 1 1 0;
+        width: auto;
+        max-width: none;
+    }
+}
+
 @media (min-width: 1200px) {
     body {
         width: 75%;
@@ -368,7 +363,6 @@ code {
 }
 
 @media print {
-
     .no-print,
     .no-print * {
         display: none !important;

assets/css/sidenotes.css

@@ -31,7 +31,7 @@ body {
     position: relative;
     text-align: left;
 }
-@media (max-width: 1200px) {
+@media (max-width: 1199px) {
     .sidenote,
     .marginnote,
     .marginnote-left {
@@ -142,7 +142,7 @@ label.margin-toggle:not(.sidenote-number) {
     height: 100%;
 }
 
-@media (max-width: 1200px) {
+@media (max-width: 1199px) {
     label.margin-toggle:not(.sidenote-number) {
         display: inline;
     }

assets/math-macros.tex

@@ -20,3 +20,4 @@
 \newcommand{\del}{\setminus}
 \newcommand{\con}{/}
 \newcommand{\minor}{\times}
+\newcommand{\FF}{\mathbb{F}}

assets/templates/default.html

@@ -25,13 +25,14 @@
     </div>
     <div class="text-space">
         <header class="no-print">
-            <nav>
-                <a href="/">Home</a>
-            </nav>
+            $title$
         </header>
         <main role="main">
-            <h1 class="pagetitle">$title$</h1>
+            <article>
+                <section class="body">
                     $body$
+                </section>
+            </article>
         </main>
         <footer></footer>
     </div>

assets/templates/post.html

@@ -1,5 +0,0 @@
-<article> 
-    <section class="body">
-        $body$
-    </section>
-</article>

src/ChaoDoc.hs

@@ -1,13 +1,23 @@
 {-# LANGUAGE BlockArguments #-}
 {-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE StandaloneKindSignatures #-}
 
-module ChaoDoc (chaoDocRead, chaoDocWrite, chaoDocPandocCompiler, chaoDocCompiler) where
+module ChaoDoc
+  ( ChaoDocFiles (..),
+    chaoDocRead,
+    chaoDocWrite,
+    chaoDocPandocCompiler,
+    chaoDocCompiler,
+  )
+where
 
 import Control.Monad (guard)
 import Control.Monad.State
+import qualified Control.Monad.State.Strict as Strict
 import Data.Char (isSpace)
 import Data.Either
 import Data.Functor
+import Data.Kind (Type)
 import Data.List (find)
 import qualified Data.Map as M
 import Data.Maybe
@@ -16,19 +26,16 @@ import qualified Data.Text as T
 import Hakyll
 import Pangu (isCJK, pangu)
 import SideNoteHTML (usingSideNotesHTML)
-import System.IO.Unsafe
 import Text.Pandoc
 -- import Text.Pandoc.Builder
 import Text.Pandoc.Walk (query, walk, walkM)
 
-cslFile :: String
-cslFile = "assets/bib_style.csl"
-
-bibFile :: String
-bibFile = "ref.bib"
-
-macroFile :: String
-macroFile = "assets/math-macros.tex"
+type ChaoDocFiles :: Type
+data ChaoDocFiles = ChaoDocFiles
+  { chaoDocCslFile :: FilePath,
+    chaoDocBibFile :: FilePath,
+    chaoDocMacroFile :: FilePath
+  }
 
 -- On mac, please do `export LANG=C` before using this thing
 chaoDocRead :: ReaderOptions
@@ -52,23 +59,23 @@ chaoDocWrite =
       writerTOCDepth = 2
     }
 
-chaoDocPandocCompiler :: Compiler (Item Pandoc)
-chaoDocPandocCompiler = do
-  macros <- T.pack <$> loadBody (fromFilePath macroFile)
-  csl <- load $ fromFilePath cslFile
-  bib <- load $ fromFilePath bibFile
+chaoDocPandocCompiler :: ChaoDocFiles -> Compiler (Item Pandoc)
+chaoDocPandocCompiler paths = do
+  macros <- T.pack <$> loadBody (fromFilePath $ chaoDocMacroFile paths)
+  csl <- load $ fromFilePath $ chaoDocCslFile paths
+  bib <- load $ fromFilePath $ chaoDocBibFile paths
   body <- getResourceBody
   let bodyWithMacros =
         fmap (T.unpack . prependMacros macros . normalizeTheoremFenceTitles . T.pack) body
       prepare =
         addMeta "link-citations" (MetaBool True)
           . addMeta "reference-section-title" (MetaInlines [Str "References"])
-          . myFilter
+          . myFilter macros
   readPandocWith chaoDocRead bodyWithMacros
     >>= processPandocBiblio csl bib . fmap prepare
 
-chaoDocCompiler :: Compiler (Item String)
-chaoDocCompiler = chaoDocPandocCompiler <&> writePandocWith chaoDocWrite
+chaoDocCompiler :: ChaoDocFiles -> Compiler (Item String)
+chaoDocCompiler paths = chaoDocPandocCompiler paths <&> writePandocWith chaoDocWrite
 
 addMeta :: T.Text -> MetaValue -> Pandoc -> Pandoc
 addMeta name value (Pandoc meta a) =
@@ -77,8 +84,8 @@ addMeta name value (Pandoc meta a) =
       newMeta = Meta newMap
    in Pandoc newMeta a
 
-myFilter :: Pandoc -> Pandoc
-myFilter = usingSideNotesHTML chaoDocWrite . theoremFilter . panguFilter . equationFilter
+myFilter :: Text -> Pandoc -> Pandoc
+myFilter macros = usingSideNotesHTML chaoDocWrite . theoremFilter macros . panguFilter . equationFilter
 
 pandocToInline :: Pandoc -> [Inline]
 pandocToInline (Pandoc _ blocks) = go (reverse blocks)
@@ -99,7 +106,8 @@ incrementalBlock =
     "Proposition",
     "Corollary",
     "Observation",
-    "Figure"
+    "Figure",
+    "Table"
   ]
 
 otherBlock :: [Text]
@@ -184,8 +192,9 @@ normalizeTheoremClass :: Attr -> Text -> Attr
 normalizeTheoremClass (ident, classes, attrs) theoremType =
   (ident, theoremType : filter ((`notElem` theoremClasses) . normalizeBlockClass) classes, attrs)
 
-theoremFilter :: Pandoc -> Pandoc
-theoremFilter doc = walk makeTheorem $ autorefFilter $ evalState (walkM preprocessTheorems doc) 1
+theoremFilter :: Text -> Pandoc -> Pandoc
+theoremFilter macros doc =
+  walk (makeTheorem macros) $ autorefFilter $ evalState (walkM preprocessTheorems doc) 1
 
 --    [index, type, idx]
 theoremIndex :: Block -> [(Text, (Text, Text))]
@@ -214,7 +223,41 @@ autoref _ y = y
 autorefFilter :: Pandoc -> Pandoc
 autorefFilter x = walk (autoref links) x
   where
-    links = query theoremIndex x
+    links = query theoremIndex x ++ sectionIndex x
+
+sectionIndex :: Pandoc -> [(Text, (Text, Text))]
+sectionIndex doc = snd $ Strict.execState (walkM collectSectionIndex doc) ([], [])
+
+collectSectionIndex :: Block -> Strict.State ([Int], [(Text, (Text, Text))]) Block
+collectSectionIndex header@(Header level attr@(ident, _, _) _)
+  | isNumberedSectionHeader attr = do
+      (curNums, refs) <- Strict.get
+      let nextNums = nextSectionNumbers level curNums
+          refs'
+            | isSectionIdentifier ident = (ident, ("Section", renderSectionNumber nextNums)) : refs
+            | otherwise = refs
+      Strict.put (nextNums, refs')
+      pure header
+collectSectionIndex block = pure block
+
+isNumberedSectionHeader :: Attr -> Bool
+isNumberedSectionHeader (_, classes, _) = "unnumbered" `notElem` classes
+
+isSectionIdentifier :: Text -> Bool
+isSectionIdentifier = T.isPrefixOf "sec:"
+
+nextSectionNumbers :: Int -> [Int] -> [Int]
+nextSectionNumbers level nums =
+  reverse $ bumpLast $ reverse prefix
+  where
+    prefix = take level (nums ++ repeat 0)
+
+bumpLast :: [Int] -> [Int]
+bumpLast [] = [1]
+bumpLast (x : xs) = (x + 1) : xs
+
+renderSectionNumber :: [Int] -> Text
+renderSectionNumber = T.intercalate "." . map (pack . show)
 
 equationFilter :: Pandoc -> Pandoc
 equationFilter doc = walk (equationAutoref links) processed
@@ -281,27 +324,16 @@ equationAutoref x (Cite citations inlines)
     linkTitle = "Eq. (" <> num <> ")"
 equationAutoref _ y = y
 
--- processCitations works on AST. If you want to use citations in theorem name,
--- then you need to convert citations there to AST as well and then use processCitations\
--- Thus one need to apply the theorem filter first.
--- autoref still does not work.
-mathMacros :: Text
-mathMacros = unsafePerformIO (pack <$> readFile macroFile)
-{-# NOINLINE mathMacros #-}
-
 prependMacros :: Text -> Text -> Text
 prependMacros macros body = macros <> "\n\n" <> body
 
-prependMathMacros :: Text -> Text
-prependMathMacros = prependMacros mathMacros
-
-thmNamePandoc :: Text -> Pandoc
-thmNamePandoc x =
+thmNamePandoc :: Text -> Text -> Pandoc
+thmNamePandoc macros x =
   fromRight (Pandoc nullMeta []) . runPure $
-    readMarkdown chaoDocRead (prependMathMacros x)
+    readMarkdown chaoDocRead (prependMacros macros x)
 
-makeTheorem :: Block -> Block
-makeTheorem (Div attr xs)
+makeTheorem :: Text -> Block -> Block
+makeTheorem macros (Div attr xs)
   | isNothing t = Div attr xs
   | otherwise = Div (addClass attr "theorem-environment") (Plain [header] : xs)
   where
@@ -318,8 +350,8 @@ makeTheorem (Div attr xs)
     nametext =
       if isNothing name
         then Str ""
-        else Span (addClass nullAttr "name") (pandocToInline $ thmNamePandoc $ fromJust name)
-makeTheorem x = x
+        else Span (addClass nullAttr "name") (pandocToInline $ thmNamePandoc macros $ fromJust name)
+makeTheorem _ x = x
 
 -- pangu filter
 lastChar :: Inline -> Maybe Char

src/site.hs

@@ -9,8 +9,46 @@ import Hakyll
 import System.FilePath
 import Text.Pandoc
 
-mds :: Pattern
-mds = "main.md"
+mdfiles :: Pattern
+mdfiles = "main.md"
+
+images :: Pattern
+images = "images/**"
+
+mathMacro :: FilePath
+mathMacro = "assets/math-macros.tex"
+
+cslfile :: FilePath
+cslfile = "assets/bib_style.csl"
+
+reference :: FilePath
+reference = "ref.bib"
+
+fonts :: Pattern
+fonts = "assets/fonts/*"
+
+favicon :: FilePath
+favicon = "assets/favicon.ico"
+
+css :: Pattern
+css = "assets/css/*"
+
+templatesPattern :: Pattern
+templatesPattern = "assets/templates/*"
+
+templateDefault :: Identifier
+templateDefault = fromFilePath "assets/templates/default.html"
+
+templatePostlist :: Identifier
+templatePostlist = fromFilePath "assets/templates/post-list.html"
+
+chaoDocFiles :: ChaoDocFiles
+chaoDocFiles =
+  ChaoDocFiles
+    { chaoDocCslFile = cslfile,
+      chaoDocBibFile = reference,
+      chaoDocMacroFile = mathMacro
+    }
 
 config :: Configuration
 config =
@@ -22,52 +60,51 @@ config =
 
 main :: IO ()
 main = hakyllWith config $ do
-  match "images/**" $ do
+  match images $ do
     route idRoute
     compile copyFileCompiler
 
-  match "assets/math-macros.tex" $ compile getResourceBody
+  match (fromGlob mathMacro) $ compile getResourceBody
 
-  match "assets/bib_style.csl" $ compile cslCompiler
+  match (fromGlob cslfile) $ compile cslCompiler
 
-  match "ref.bib" $ compile biblioCompiler
+  match (fromGlob reference) $ compile biblioCompiler
 
-  match "assets/fonts/*" $ do
+  match fonts $ do
     route $ gsubRoute "assets/fonts/" (const "fonts/")
     compile copyFileCompiler
 
-  match "assets/favicon.ico" $ do
+  match (fromGlob favicon) $ do
     route $ constRoute "favicon.ico"
     compile copyFileCompiler
 
-  match "assets/css/*" $ do
+  match css $ do
     route $ gsubRoute "assets/css/" (const "css/")
     compile compressCssCompiler
 
-  match mds $ do
+  match mdfiles $ do
     route $ setExtension "html"
     compile $ do
       tocCtx <- getTocCtx defaultContext
-      chaoDocCompiler
-        >>= loadAndApplyTemplate "assets/templates/post.html" tocCtx
-        >>= loadAndApplyTemplate "assets/templates/default.html" tocCtx
+      chaoDocCompiler chaoDocFiles
+        >>= loadAndApplyTemplate templateDefault tocCtx
         >>= relativizeUrls
 
   create ["index.html"] $ do
     route idRoute
     compile $ do
-      posts <- loadAll mds
+      posts <- loadAll mdfiles
       let indexCtx =
-            constField "title" "Notes"
+            constField "title" ""
               `mappend` constField "toc" ""
               `mappend` listField "posts" postCtx (return posts)
               `mappend` defaultContext
       makeItem ""
-        >>= loadAndApplyTemplate "assets/templates/post-list.html" indexCtx
-        >>= loadAndApplyTemplate "assets/templates/default.html" indexCtx
+        >>= loadAndApplyTemplate templatePostlist indexCtx
+        >>= loadAndApplyTemplate templateDefault indexCtx
         >>= relativizeUrls
 
-  match "assets/templates/*" $ compile templateBodyCompiler
+  match templatesPattern $ compile templateBodyCompiler
 
 postCtx :: Context String
 postCtx =
@@ -80,7 +117,7 @@ getTocCtx :: Context a -> Compiler (Context a)
 getTocCtx ctx = do
   noToc <- (Just "true" ==) <$> (getUnderlying >>= (`getMetadataField` "no-toc"))
   writerOpts <- mkTocWriter defaultHakyllWriterOptions
-  toc <- writePandocWith writerOpts <$> chaoDocPandocCompiler
+  toc <- writePandocWith writerOpts <$> chaoDocPandocCompiler chaoDocFiles
   pure $
     mconcat
       [ ctx,
@@ -94,6 +131,7 @@ getTocCtx ctx = do
       pure $
         writerOpts
           { writerTableOfContents = True,
+            writerNumberSections = True,
             writerTOCDepth = 2,
             writerTemplate = tmpl,
             writerHTMLMathMethod = MathML