Add test:

  - topic named "matches"
  - matches("A") still works

tests/testthat/_snaps/build-reference-index.md

@@ -157,3 +157,31 @@
       has_icons: no
       
 
+# can use a selector name as a topic name
+
+    Code
+      data_reference_index(pkg)
+    Output
+      pagetitle: Function reference
+      rows:
+      - title: bla
+        slug: bla
+        desc: ~
+        is_internal: no
+      - topics:
+        - path: matches.html
+          title: matches
+          aliases: matches()
+          icon: ~
+        - path: A.html
+          title: A
+          aliases: A()
+          icon: ~
+        names:
+        - matches
+        - A
+        row_has_icons: no
+        is_internal: no
+      has_icons: no
+      
+

tests/testthat/assets/reference-selector/DESCRIPTION

@@ -0,0 +1,6 @@
+Package: testpackage
+Version: 1.0.0
+Title: A test package
+Description: A test package
+Authors@R: person("Hadley Wickham")
+RoxygenNote: 7.3.1

tests/testthat/assets/reference-selector/NAMESPACE

@@ -0,0 +1,4 @@
+# Generated by roxygen2: do not edit by hand
+
+export(A)
+export(matches)

tests/testthat/assets/reference-selector/R/funs.R

@@ -0,0 +1,7 @@
+#' matches
+#' @export
+matches <- function() {}
+
+#' A
+#' @export
+A <- function() {}

tests/testthat/assets/reference-selector/_pkgdown.yml

@@ -0,0 +1 @@
+url: http://test.org

tests/testthat/test-build-reference-index.R

@@ -126,3 +126,13 @@ test_that("can use a topic from another package", {
 
   expect_snapshot(data_reference_index(pkg))
 })
+
+test_that("can use a selector name as a topic name", {
+  meta <- list(reference = list(list(
+    title = "bla",
+    contents = c("matches", "matches('A')")
+  )))
+  pkg <- as_pkgdown(test_path("assets/reference-selector"), override = meta)
+
+  expect_snapshot(data_reference_index(pkg))
+})