Release 0.3.29

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Y42TyF8Zu7NGRR2893vNcZ

Cargo.lock

@@ -2948,7 +2948,7 @@ dependencies = [
 
 [[package]]
 name = "portal"
-version = "0.3.26"
+version = "0.3.28"
 dependencies = [
  "anyhow",
  "arc-swap",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "portal"
-version = "0.3.27"
+version = "0.3.29"
 edition = "2021"
 
 [lib]

src/app.rs

@@ -687,7 +687,7 @@ fn Hero(title: String, description: String, landing: bool, site: SiteConfig, cur
                     <img src=wordmark alt=site_title style=wordmark_style/>
                 </a>
                 <h1>{title}</h1>
-                <p>{description}</p>
+                <p inner_html=render_inline_markdown(&description)></p>
             </div>
         </header>
     }

src/content.rs

@@ -219,7 +219,73 @@ pub fn render_inline_markdown(text: &str) -> String {
     });
     let mut out = String::new();
     html::push_html(&mut out, filtered);
-    out.trim().to_string()
+    apply_image_hints(out.trim())
+}
+
+/// Translate a markdown image's title (`![alt](url "right 9rem")`)
+/// into layout: `left`/`right` float via a class, a bare number
+/// (optionally with `rem`) into a validated `max-width`. Unknown
+/// tokens are ignored; the title attribute is dropped either way.
+/// Only touches `<img>` tags in our own render output, and only ever
+/// emits a numeric max-width - no arbitrary CSS reaches the page.
+fn apply_image_hints(html: &str) -> String {
+    let mut out = String::new();
+    let mut rest = html;
+    while let Some(pos) = rest.find("<img ") {
+        out.push_str(&rest[..pos]);
+        let after = &rest[pos..];
+        let end = after.find('>').map(|e| e + 1).unwrap_or(after.len());
+        out.push_str(&rewrite_img_tag(&after[..end]));
+        rest = &after[end..];
+    }
+    out.push_str(rest);
+    out
+}
+
+fn rewrite_img_tag(tag: &str) -> String {
+    // Pull the title value, if any.
+    let title = tag
+        .find("title=\"")
+        .map(|i| &tag[i + 7..])
+        .and_then(|r| r.find('"').map(|e| &r[..e]))
+        .unwrap_or("");
+
+    let mut class = String::new();
+    let mut max_rem: Option<f32> = None;
+    for tok in title.split_whitespace() {
+        match tok {
+            "left" => class = "md-float-left".into(),
+            "right" => class = "md-float-right".into(),
+            other => {
+                if let Ok(n) = other.trim_end_matches("rem").parse::<f32>() {
+                    if n > 0.0 && n <= 60.0 {
+                        max_rem = Some(n);
+                    }
+                }
+            }
+        }
+    }
+
+    // Strip the title attribute from the tag.
+    let mut cleaned = tag.to_string();
+    if let Some(i) = cleaned.find(" title=\"") {
+        if let Some(e) = cleaned[i + 8..].find('"') {
+            cleaned.replace_range(i..i + 8 + e + 1, "");
+        }
+    }
+
+    // Inject class/style right after `<img`.
+    let mut attrs = String::new();
+    if !class.is_empty() {
+        attrs.push_str(&format!(" class=\"{class}\""));
+    }
+    if let Some(n) = max_rem {
+        attrs.push_str(&format!(" style=\"max-width:{n}rem\""));
+    }
+    if attrs.is_empty() {
+        return cleaned;
+    }
+    cleaned.replacen("<img", &format!("<img{attrs}"), 1)
 }
 
 /// Directory-scoped defaults: a `_section.yaml` file applies to every
@@ -1469,6 +1535,7 @@ pub async fn site_asset_handler(
         Some("json") => "application/json",
         Some("png") => "image/png",
         Some("webp") => "image/webp",
+        Some("avif") => "image/avif",
         Some("woff2") => "font/woff2",
         _ => "application/octet-stream",
     };
@@ -2088,6 +2155,21 @@ alternatives:
             render_inline_markdown("![local](/images/a.jpg)"),
             "<img src=\"/images/a.jpg\" alt=\"local\" />"
         );
+        // Image title hints: float + max-width, title dropped.
+        assert_eq!(
+            render_inline_markdown("![J](https://x.no/j.jpg \"right 9rem\")"),
+            "<img class=\"md-float-right\" style=\"max-width:9rem\" src=\"https://x.no/j.jpg\" alt=\"J\" />"
+        );
+        assert_eq!(
+            render_inline_markdown("![J](https://x.no/j.jpg \"12\")"),
+            "<img style=\"max-width:12rem\" src=\"https://x.no/j.jpg\" alt=\"J\" />"
+        );
+        // Unknown hint tokens are ignored; a safe image with no title
+        // is untouched.
+        assert_eq!(
+            render_inline_markdown("![J](https://x.no/j.jpg \"wat\")"),
+            "<img src=\"https://x.no/j.jpg\" alt=\"J\" />"
+        );
         assert_eq!(render_inline_markdown("[ok](/shape)"), "<a href=\"/shape\">ok</a>");
         assert_eq!(render_inline_markdown("[mail](mailto:bl@uhhm.no)"), "<a href=\"mailto:bl@uhhm.no\">mail</a>");
     }

style/main.css

@@ -552,6 +552,30 @@ main.not-found {
   border: 0.06rem solid var(--line);
 }
 
+/* Content hint via a markdown image title (`![alt](url "right 9rem")`):
+   float and shrink so text wraps around a portrait. */
+.alt-description img.md-float-left,
+.item-card-description img.md-float-left,
+.feature p img.md-float-left,
+.alt-description img.md-float-right,
+.item-card-description img.md-float-right,
+.feature p img.md-float-right {
+  width: auto;
+  max-width: 45%;
+}
+.alt-description img.md-float-left,
+.item-card-description img.md-float-left,
+.feature p img.md-float-left {
+  float: left;
+  margin: 0.2rem 1.1rem 0.5rem 0;
+}
+.alt-description img.md-float-right,
+.item-card-description img.md-float-right,
+.feature p img.md-float-right {
+  float: right;
+  margin: 0.2rem 0 0.5rem 1.1rem;
+}
+
 .alt-description code,
 .feature p code {
   font-size: 0.9em;