diff --git a/README.md b/README.md
index bc75537..3a6a247 100644
--- a/README.md
+++ b/README.md
@@ -2,10 +2,10 @@
 
 ```rust
 html! {
-    h1 "Hello, world!"
+    h1 { "Hello, world!" }
     p.intro {
         "This is an example of the "
-        a href="https://github.com/lfairy/maud" "Maud"
+        a href="https://github.com/lfairy/maud" { "Maud" }
         " template language."
     }
 }
diff --git a/basic_syntax.md b/basic_syntax.md
index ce8c683..a506d30 100644
--- a/basic_syntax.md
+++ b/basic_syntax.md
@@ -34,7 +34,7 @@ Terminate a void element using a semicolon: `br;`. Note that the result will be
 
 ```rust
 html! {
-    h1 "Poem"
+    h1 { "Poem" }
     p {
         "Rock, you are a rock."
         br;
@@ -51,15 +51,9 @@ Maud also supports ending a void element with a slash: `br /`. This syntax is [d
 
 [#96]: https://github.com/lfairy/maud/pull/96
 
-### Nested elements `p small em`
+Before version 0.18, Maud allowed the curly braces to be omitted. This syntax was [removed][#137] and now causes an error instead.
 
-If the element has only a single child, you can omit the brackets. This shorthand works with nested elements too.
-
-```rust
-html! {
-    p small em "squee"
-}
-```
+[#137]: https://github.com/lfairy/maud/pull/137
 
 ## Non-empty attributes `id="yay"`
 
@@ -84,7 +78,7 @@ html! {
     form {
         input type="checkbox" name="cupcakes" checked?;
         " "
-        label for="cupcakes" "Do you like cupcakes?"
+        label for="cupcakes" { "Do you like cupcakes?" }
     }
 }
 ```
@@ -95,7 +89,9 @@ To toggle an attribute based on a boolean flag, use a `?[]` suffix instead: `che
 let allow_editing = true;
 html! {
     p contenteditable?[allow_editing] {
-        "Edit me, I " em "dare" " you."
+        "Edit me, I "
+        em { "dare" }
+        " you."
     }
 }
 ```
@@ -117,7 +113,7 @@ To toggle a class based on a boolean flag, use a `[]` suffix: `.foo[is_foo]`. Th
 ```rust
 let cuteness = 95;
 html! {
-    p.cute[cuteness > 50] "Squee!"
+    p.cute[cuteness > 50] { "Squee!" }
 }
 ```
 
@@ -126,7 +122,7 @@ html! {
 ```rust
 html! {
     // This text is ignored
-    p "Hello!"
+    p { "Hello!" }
     /* This as well */
 }
 ```
diff --git a/control_structures.md b/control_structures.md
index 776424c..b71114d 100644
--- a/control_structures.md
+++ b/control_structures.md
@@ -14,16 +14,16 @@ let user = Princess::Celestia;
 
 html! {
     @if user == Princess::Luna {
-        h1 "Super secret woona to-do list"
+        h1 { "Super secret woona to-do list" }
         ul {
-            li "Nuke the Crystal Empire"
-            li "Kick a puppy"
-            li "Evil laugh"
+            li { "Nuke the Crystal Empire" }
+            li { "Kick a puppy" }
+            li { "Evil laugh" }
         }
     } @else if user == Princess::Celestia {
-        p "Sister, please stop reading my diary. It's rude."
+        p { "Sister, please stop reading my diary. It's rude." }
     } @else {
-        p "Nothing to see here; move along."
+        p { "Nothing to see here; move along." }
     }
 }
 ```
@@ -52,10 +52,10 @@ Use `@for .. in ..` to loop over the elements of an iterator.
 ```rust
 let names = ["Applejack", "Rarity", "Fluttershy"];
 html! {
-    p "My favorite ponies are:"
+    p { "My favorite ponies are:" }
     ol {
         @for name in &names {
-            li (name)
+            li { (name) }
         }
     }
 }
@@ -72,9 +72,9 @@ html! {
         @let first_letter = name.chars().next().unwrap();
         p {
             "The first letter of "
-            b (name)
+            b { (name) }
             " is "
-            b (first_letter)
+            b { (first_letter) }
             "."
         }
     }
@@ -93,17 +93,17 @@ let user = Princess::Celestia;
 html! {
     @match user {
         Princess::Luna => {
-            h1 "Super secret woona to-do list"
+            h1 { "Super secret woona to-do list" }
             ul {
-                li "Nuke the Crystal Empire"
-                li "Kick a puppy"
-                li "Evil laugh"
+                li { "Nuke the Crystal Empire" }
+                li { "Kick a puppy" }
+                li { "Evil laugh" }
             }
         },
         Princess::Celestia => {
-            p "Sister, please stop reading my diary. It's rude."
+            p { "Sister, please stop reading my diary. It's rude." }
         },
-        _ => p "Nothing to see here; move along."
+        _ => p { "Nothing to see here; move along." }
     }
 }
 ```
diff --git a/dynamic_content.md b/dynamic_content.md
index 4052da1..521daf5 100644
--- a/dynamic_content.md
+++ b/dynamic_content.md
@@ -18,10 +18,12 @@ Arbitrary Rust code can be included in a splice by using a [block](https://doc.r
 
 ```rust
 html! {
-    p ({
-        let f: Foo = something_convertible_to_foo()?;
-        f.time().format("%H%Mh")
-    })
+    p {
+        ({
+            let f: Foo = something_convertible_to_foo()?;
+            f.time().format("%H%Mh")
+        })
+    }
 }
 ```
 
@@ -59,7 +61,7 @@ To change this behavior for some type, you can implement the [`Render`][Render]
 use maud::PreEscaped;
 let post = "<p>Pre-escaped</p>";
 html! {
-    h1 "My super duper blog post"
+    h1 { "My super duper blog post" }
     (PreEscaped(post))
 }
 ```
diff --git a/web_frameworks.md b/web_frameworks.md
index 0b421d4..1a8ec22 100644
--- a/web_frameworks.md
+++ b/web_frameworks.md
@@ -32,7 +32,7 @@ use maud::html;
 fn main() {
     Iron::new(|r: &mut Request| {
         let markup = html! {
-            h1 "Hello, world!"
+            h1 { "Hello, world!" }
             p {
                 "You are viewing the page at " (r.url)
             }
@@ -72,7 +72,7 @@ use std::borrow::Cow;
 fn hello<'a>(name: Cow<'a, str>) -> Markup {
     html! {
         h1 { "Hello, " (name) "!" }
-        p "Nice to meet you!"
+        p { "Nice to meet you!" }
     }
 }
 
@@ -100,7 +100,7 @@ fn main() {
             (GET) (/{name: String}) => {
                 html! {
                     h1 { "Hello, " (name) "!" }
-                    p "Nice to meet you!"
+                    p { "Nice to meet you!" }
                 }
             },
             _ => Response::empty_404()