Update our markdown-underline plugin.

It is now submitted.

user/plugins/markdown-underline/CHANGELOG.md

@@ -3,3 +3,5 @@
 
 1. [](#new)
     * Convert double underscore inline blocks to underline.
+    * Allow override of the 4 basic inline blocks.
+    * Allow per-page override of the configuration

user/plugins/markdown-underline/README.md

 # Markdown Underline Plugin
 
-Overrides the default behavior to convert double underscore `__` inline blocks to underline `<u>` instead of `<strong>`.
+Overrides the default behavior to convert for example double underscore `__` inline blocks to underline `<u>` instead of `<strong>`.
 
 **Use with caution, as underlining makes text harder to read.**
 
@@ -8,7 +8,7 @@ Overrides the default behavior to convert double underscore `__` inline blocks t
 
 Anyways, it's just another tag for your CSS to tinker with, you don't have to underline.
 
-The **Markdown Underline** Plugin is for [Grav CMS](http://github.com/getgrav/grav). Use __double underscore__ create `<u>` tags.
+The **Markdown Underline** Plugin is for [Grav CMS](http://github.com/getgrav/grav).
 
 ## Installation
 
@@ -16,8 +16,6 @@ Installing the Markdown Underline plugin can be done in one of two ways. The GPM
 
 ### GPM Installation (Preferred)
 
-!! NOT SUBMITTED YET
-
 The simplest way to install this plugin is via the [Grav Package Manager (GPM)](http://learn.getgrav.org/advanced/grav-gpm) through your system's terminal (also called the command line).  From the root of your Grav install type:
 
     bin/gpm install markdown-underline
@@ -46,18 +44,27 @@ Here is the default configuration and an explanation of available options:
 
 ```yaml
 enabled: true
+'*':  em
+'**': strong
+'_':  em
+'__': u
 ```
 
-Note that if you use the admin plugin, a file with your configuration, and named markdown-underline.yaml will be saved in the `user/config/plugins/` folder once the configuration is saved in the admin.
+Note that if you use the admin plugin, a file with your configuration, and named `markdown-underline.yaml` will be saved in the `user/config/plugins/` directory once the configuration is saved in the admin.
 
 ## Usage
 
+With the default configuration, when you write
+
     This will be __underlined text__.
 
-yields
+it will yield
 
     This will be <u>underlined text</u>.
 
-## Future
+You can also override the configuration in a page's frontmatter like so:
 
-- Perhaps evolve into a plugin that allows individual overriding of `*`, `**`, `_`, `__` etc.
\ No newline at end of file
+```yaml
+markdown-underline:
+  "__": i
+```

user/plugins/markdown-underline/markdown-underline.php

@@ -69,10 +69,9 @@ class MarkdownUnderlinePlugin extends Plugin
         $mu_config = $config->get('plugins.markdown-underline');
 
         // This feature depends on the page being provided in onMarkdownInitialized event.
-        // There may be a PR for this in the future. Not sure about the implications.
+        // See PR https://github.com/getgrav/grav/pull/2418
         if (isset($event['page'])) {
             $config = $this->mergeConfig($event['page']);
-            // Merging works but changes paths
             $mu_config = array(
                 '*' => $config->get('*'),
                 '**' => $config->get('**'),
@@ -122,7 +121,6 @@ class MarkdownUnderlinePlugin extends Plugin
                 ),
             );
 
-
         };
 
         $markdown->inlinePluginUnderline = $inlineUnderline->bindTo($markdown, $markdown);