Fix CI and bugs for Erlang 27 and Elixir 1.17

.github/workflows/ci.yml

@@ -16,12 +16,15 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - pair:
+          - pair: # Test very old elixir and Erlang
               elixir: "1.13"
               otp: "22"
-          - pair:
+          - pair: # Test Erlang without -doc attribute support
               elixir: "1.16"
               otp: "26"
+          - pair: # Test Erlang with -doc attribute support
+              elixir: "1.17"
+              otp: "27"
             lint: lint
     steps:
       - uses: actions/checkout@v3

.github/workflows/release.yml

@@ -29,12 +29,16 @@ jobs:
       fail-fast: true
       matrix:
         include:
-          - otp: 24
-            otp_version: "24.0"
           - otp: 25
-            otp_version: "25.0.4"
+            otp_version: "25.3.2.12"
+            elixir_version: "1.16.2"
           - otp: 26
-            otp_version: "26.0.2"
+            otp_version: "26.2.5"
+            elixir_version: "1.16.2"
+          - otp: 27
+            otp_version: "27.0"
+            elixir_version: "1.17.0"
+
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
@@ -44,6 +48,7 @@ jobs:
         with:
           otp_version: ${{ matrix.otp_version }}
           otp: ${{ matrix.otp }}
+          elixir_version: ${{ matrix.elixir_version }}
 
       - name: Upload Pre-built
         env:

.github/workflows/release_pre_built/action.yml

@@ -5,13 +5,15 @@ inputs:
     description: "The major OTP version"
   otp_version:
     description: "The exact OTP version (major.minor[.patch])"
+  elixir_version:
+    description: "The exact Elixir version (major.minor[.patch])"
 runs:
   using: "composite"
   steps:
     - uses: erlef/[email protected]
       with:
         otp-version: ${{ inputs.otp_version }}
-        elixir-version: "1.16.0"
+        elixir-version: ${{ inputs.elixir_version }}
     - name: Build ex_doc
       shell: bash
       run: |

lib/ex_doc/language/erlang.ex

@@ -561,7 +561,7 @@ defmodule ExDoc.Language.Erlang do
                 name == :record and acc != [] ->
                   {ast, acc}
 
-                name in [:"::", :when, :%{}, :{}, :|, :->] ->
+                name in [:"::", :when, :%{}, :{}, :|, :->, :...] ->
                   {ast, acc}
 
                 # %{required(...) => ..., optional(...) => ...}

test/ex_doc/retriever/erlang_test.exs

@@ -11,6 +11,7 @@ defmodule ExDoc.Retriever.ErlangTest do
     test "module with no docs is generated", c do
       erlc(c, :mod, ~S"""
       -module(mod).
+      -moduledoc("").
       """)
 
       assert {[_], []} = Retriever.docs_from_modules([:mod], %ExDoc.Config{})
@@ -217,6 +218,7 @@ defmodule ExDoc.Retriever.ErlangTest do
       erlc(c, :mod, ~S"""
       -module(mod).
       -export([f/0]).
+      -moduledoc("").
 
       f() -> ok.
       """)
@@ -319,6 +321,7 @@ defmodule ExDoc.Retriever.ErlangTest do
       erlc(c, :mod, ~s"""
       -module(mod).
       -export([function/0]).
+      -moduledoc("").
 
       -record(a, { a = 1 :: pos_integer(),
                    b :: non_neg_integer(),