Move documentation files to keep into new structure

docs/source/usage_writing.rst

@@ -21,7 +21,7 @@ Editing a Document
 To edit a document, double-click it in the project tree, press the :kbd:`Return` key while having
 it selected, or drag and drop it onto the editor panel. This will open the document in the document
 editor. The editor uses a Markdown-like syntax for some features, and a novelWriter-specific syntax
-for others. The syntax format is described in the :ref:`a_fmt` chapter.
+for others.
 
 The editor has a maximise button, which toggles the **Focus Mode**, and a close button in the
 top--right corner. On the top--left side you will find a tools button that opens a toolbar with a
@@ -37,7 +37,7 @@ be shown. This can be set in **Preferences**.
    Clicking on the document title bar will select the document in the project tree and thus reveal
    its location there, making it easier to find in a large project.
 
-Any :term:`references<reference>` in the editor can be opened in the viewer by moving the cursor to
+Any  `references<reference>` in the editor can be opened in the viewer by moving the cursor to
 the label and pressing :kbd:`Ctrl+Return`. You can also control-click them with your mouse.
 
 
@@ -56,17 +56,9 @@ edited from the **Project Word List** tool available from the **Tools** menu.
 .. note::
 
    Generally, spell checking dictionaries are collected from your operating system, but on Windows
-   they are not. See :ref:`a_custom_dict` for how to add spell checking dictionaries on Windows.
+   they are not. See :ref:`docs_more_custom_dict` for how to add spell checking dictionaries on Windows.
 
 
-Editor Auto-Completer
----------------------
-
-If you type the character ``@`` on a new line, a pop-up menu will appear showing the different
-available keywords. The list will shorten as you type. Once a keyword command has been selected or
-typed, the editor may suggest further options based on your project content. See
-:ref:`a_references_completer` for more details.
-
 .. versionadded:: 2.2
 
 
@@ -89,7 +81,7 @@ However, If you *are* viewing the same document, pressing :kbd:`Ctrl+R` from the
 the document with your latest changes. You can also press the reload button in the top--right
 corner of the viewer panel, next to the close button, to achieve the same thing.
 
-In the viewer :term:`references<reference>` become clickable links. Clicking them will replace the
+In the viewer  `references<reference>` become clickable links. Clicking them will replace the
 content of the viewer with the content of the document the reference points to.
 
 The document viewer keeps a history of viewed documents, which you can navigate with the arrow
@@ -106,7 +98,7 @@ these will appear as additional tabs in this panel.
 
 .. note::
 
-   The **References** panel relies on an up-to-date :term:`index<project index>` of the project.
+   The **References** panel relies on an up-to-date  `index<project index>` of the project.
    The index is maintained automatically. However, if anything is missing, or seems wrong, the
    index can always be rebuilt by selecting **Rebuild Index** from the **Tools** menu, or by
    pressing :kbd:`F9`.