Treat integer values as atoms in CSS

CHANGELOG.md

@@ -1,6 +1,9 @@
 ## 0.9 (unreleased)
 
-No changes.
+### Parsing
+
+Fixed an issue with parsing integer values in CSS with units,
+e.g. `123px`.
 
 ## 0.8
 

sample_files/css_after.css

@@ -5,7 +5,7 @@ world */
 }
 
 .foo1 {
-  margin: 0;
+  margin: 0 0 20px 0;
   color: green;
 }
 

sample_files/css_before.css

@@ -1,7 +1,7 @@
 /* hello
 world */
 .foo1 {
-  margin: 0;
+  margin: 0 0 20px 0;
 }
 
 .bar {

src/tree_sitter_parser.rs

@@ -49,7 +49,7 @@ pub fn from_extension(extension: &OsStr) -> Option<TreeSitterConfig> {
         "css" => Some(TreeSitterConfig {
             name: "CSS",
             language: unsafe { tree_sitter_css() },
-            atom_nodes: (vec![]).into_iter().collect(),
+            atom_nodes: (vec!["integer_value"]).into_iter().collect(),
             open_delimiter_tokens: (vec!["{", "("]).into_iter().collect(),
         }),
         "el" => Some(TreeSitterConfig {