[librsvg: 7/13] Docs for the set_stylesheet() public API

[Federico Mena Quintero <federico src gnome org>]

commit c68c5e6c7ddf1ddbdc15ce12a5fa520e217d85e7
Author: Federico Mena Quintero <federico gnome org>
Date:   Fri Jan 24 17:36:03 2020 -0600

    Docs for the set_stylesheet() public API

 librsvg_crate/src/lib.rs | 8 ++++++++
 1 file changed, 8 insertions(+)
---
diff --git a/librsvg_crate/src/lib.rs b/librsvg_crate/src/lib.rs
index 6583ca2c..adeda5dc 100644
--- a/librsvg_crate/src/lib.rs
+++ b/librsvg_crate/src/lib.rs
@@ -366,6 +366,14 @@ impl SvgHandle {
         self.0.has_sub(id)
     }
 
+    /// Sets a CSS stylesheet to use for an SVG document.
+    ///
+    /// During the CSS cascade, the specified stylesheet will be used
+    /// with a "User" [origin].
+    ///
+    /// Note that `@import` rules will not be resolved, except for `data:` URLs.
+    ///
+    /// [origin]: https://drafts.csswg.org/css-cascade-3/#cascading-origins
     pub fn set_stylesheet(&mut self, css: &str) -> Result<(), LoadingError> {
         self.0.set_stylesheet(css)
     }