Fix citation grouping bug with spaces

crates/typst-library/src/layout/mod.rs

@@ -755,6 +755,7 @@ impl<'a> CiteGroupBuilder<'a> {
         }
 
         if let Some(citation) = content.to::<CiteElem>() {
+            self.staged.retain(|(elem, _)| !elem.is::<SpaceElem>());
             self.items.push(citation.clone(), styles);
             return true;
         }

tests/typ/meta/bibliography-ordering.typ

@@ -1,7 +1,16 @@
 #set page(width: 300pt)
 
-@mcintosh_anxiety, @psychology25
+@mcintosh_anxiety
-@netwok, @issue201, @arrgh, @quark, @distress,
+@psychology25
-@glacier-melt, @issue201, @tolkien54, @sharing, @restful
+@netwok
+@issue201
+@arrgh
+@quark
+@distress,
+@glacier-melt
+@issue201
+@tolkien54
+@sharing
+@restful
 
 #bibliography("/files/works.bib")

tests/typ/meta/cite-group.typ

@@ -0,0 +1,19 @@
+// Test citation grouping.
+
+---
+A#[@netwok@arrgh]B \
+A@netwok@arrgh B \
+A@netwok @arrgh B \
+A@netwok @arrgh. B \
+
+A @netwok#[@arrgh]B \
+A @netwok@arrgh, B \
+A @netwok @arrgh, B \
+A @netwok @arrgh. B \
+
+A#[@netwok @arrgh @quark]B. \
+A @netwok @arrgh @quark B. \
+A @netwok @arrgh @quark, B.
+
+#set text(0pt)
+#bibliography("/files/works.bib")