huaxingao commented on a change in pull request #28451:
URL: https://github.com/apache/spark/pull/28451#discussion_r419872224
##########
File path: docs/sql-ref-literals.md
##########
@@ -71,128 +68,114 @@ SELECT 'it\'s $10.' AS col;
+---------+
|It's $10.|
+---------+
-{% endhighlight %}
+```
### Binary Literal
A binary literal is used to specify a byte sequence value.
#### Syntax
-{% highlight sql %}
+```sql
X { 'c [ ... ]' | "c [ ... ]" }
-{% endhighlight %}
+```
+
+#### Parameters
-#### <em>Parameters</em>
+* **c**
-<dl>
- <dt><code><em>c</em></code></dt>
- <dd>
One character from the character set.
Review comment:
seems to be hexadecimal. Changed to the following:
```
#### Syntax
X { 'num [ ... ]' | "num [ ... ]" }
#### Parameters
* **num**
Any hexadecimal number from 0 to F.
```
cc @yaooqinn
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