Merge pull request #34 from themr0c/id-with-double-quote

Id should use double quotes

Author: Robert Kratky

asciidoc-markup-sample-doc/asciidoc-markup-samples.adoc

@@ -17,11 +17,11 @@ Some markup examples used in this overview are based on new Asciidoctor features
 
 a|Anchor
 
-NOTE: The `+++{context}+++` variable is recommended for making modules reusable. Example: `+++[id='section-header_{context}']+++`. For details, see the link:https://redhat-documentation.github.io/modular-docs/#reusing-modules[Modular Documentation Reference Guide].
+NOTE: The `+++{context}+++` variable is recommended for making modules reusable. Example: `+++[id="section-header_{context}"]+++`. For details, see the link:https://redhat-documentation.github.io/modular-docs/#reusing-modules[Modular Documentation Reference Guide].
 
 a|
 ....
-[id='section-header_{variable}']
+[id="section-header_{variable}"]
 Section Header
 ....
 a|