Revert "Delete tag-basics index"

This reverts commit d14b42a.

Author: philwareham

tags/tag-basics/index.md

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+---
+layout: landing
+category: Tags and attributes
+published: true
+title: Learning Textpattern tags
+description: Textpattern tags are shorthand method for calling functions defined inside Textpattern core. Modelled after standard HTML tag syntax, Textpattern’s native tags are easy to learn and work interchangeably with HTML.
+---
+
+# Learning Textpattern tags
+
+Textpattern tags are an indispensible feature of Textpattern. They provide a markup-like approach to working with Textpattern's core functionality without having to know any PHP. The functions themselves represent content components, their sources, and a means of displaying them.
+
+The tags may be added to [Page templates](/themes/page-templates-explained) and/or [Form templates](/themes/form-templates-explained) in a variety of ways depending on what you are trying to do. The tags are replaced with the content output they fetch, as users move from one page to another in your site.
+
+Below are a series of tag fundamentals, which will get you up and running with Textpattern tags. To learn precise details about the tags themselves, see the [Tags Reference](/tags/).
+
+## Tag basics topics
+
+1. [Self-closed versus container tags](/tags/tag-basics/self-closed-versus-container-tags)
+2. [Conditional tags](/tags/tag-basics/conditional-tags)
+3. [Tag nesting](/tags/tag-basics/tag-nesting)
+4. [Parsing tag attributes](/tags/tag-basics/parsing-tag-attributes)
+5. [Parser and passes](/tags/tag-basics/parser-and-passes)
+6. [Incorrect tag contexts](/tags/tag-basics/incorrect-tag-contexts)
+7. [Integrated tag notation](/tags/tag-basics/integrated-tag-notation)
+8. [Tag escaping](/tags/tag-basics/tag-escaping)
+9. [Core short-tags](/tags/tag-basics/core-short-tags)