resolves #2361 warn if a specified include tag is unclosed (PR #2696)

- warn if a tag specified in the include directive is unclosed in the include file
- add tests to verify warnings
- fix unclosed tags in test fixtures
- remove duplicate test

3 files changed, 4 insertions, 2 deletions

diff --git a/test/fixtures/other-chapters.adoc b/test/fixtures/other-chapters.adoc
index 8b625dda..b0962f14 100644
--- a/test/fixtures/other-chapters.adoc
+++ b/test/fixtures/other-chapters.adoc
@@ -3,7 +3,7 @@
 == Chapter 2
 
 The plot thickens.
-// tag::ch2[]
+// end::ch2[]
 
 [#ch3]
 == Chapter 3
diff --git a/test/fixtures/tagged-class-enclosed.rb b/test/fixtures/tagged-class-enclosed.rb
index 5ebfd373..20054684 100644
--- a/test/fixtures/tagged-class-enclosed.rb
+++ b/test/fixtures/tagged-class-enclosed.rb
@@ -17,7 +17,6 @@ class Dog
       'woof woof'
     #end::bark-other[]
     #tag::bark-all[]
-    #tag::bark-all[]
     end
     #end::bark-all[]
   end
diff --git a/test/fixtures/unclosed-tag.adoc b/test/fixtures/unclosed-tag.adoc
new file mode 100644
index 00000000..ea5d40ba
--- /dev/null
+++ b/test/fixtures/unclosed-tag.adoc
@@ -0,0 +1,3 @@
+x
+// tag::a[]
+a