Update 'Upgrading Omeka core'

Upgrading-Omeka-core.md

@@ -1,13 +1,11 @@
 Things to do after upgrading the Omeka core.
 
-## Remove HTML block
+## Remove unwanted blocks for page edit
-Users can paste text into the Omeka HTML block. This is undesirable because html style and classes are included in the html.
 
-We de not want unexpected formats.
+Blocks are:
-
+* **HTML**:  Users can paste text into the Omeka HTML block. This is undesirable because html style and classes are included in the html. We de not want unexpected formats. For this reason we have developed the Markdown text module. Markdown allows basic HTML formatting without extra unwanted text formatting. But we also want to remove the HTML block so users cannot include it in their pages.
-For this reason we have developed the Markdown text module. Markdown allows basic HTML formatting without extra unwanted text formatting.
+* tableOfContents
-
+* searchingForm
-But we also want to remove the HTML block so users cannot include it in their pages.
 
 You need to copy the page template from the omeka core into the arcHIVE theme.
 
@@ -22,6 +20,8 @@ Then edit the new file, adding the line `<?php if ($layout == "html") { continue
 ```
     <?php foreach ($this->blockLayout()->getLayouts() as $layout): ?>
 -->>      <?php if ($layout == "html") { continue; } ?>
+-->>      <?php if ($layout == "tableOfContents") { continue; } ?>
+-->>      <?php if ($layout == "searchingForm") { continue; } ?>
     <button type="button" value="<?php echo $escape($layout); ?>" class="option">
         <?php echo $escape($translate($this->blockLayout()->getLayoutLabel($layout))); ?>
     </button>