XML feed improvements. Remove unnecessary formatting output from Wien…

…er curve fitting notebook which seems to be causing XML validation error, preventing automatic ingestion of feed. Add file feed.xml to fill in the <name> tag.

_includes/feed.xml

@@ -0,0 +1,128 @@
+<?xml version="1.0" encoding="utf-8"?>
+{% if page.xsl %}
+  <?xml-stylesheet type="text/xml" href="{{ '/feed.xslt.xml' | absolute_url }}"?>
+{% endif %}
+<feed xmlns="http://www.w3.org/2005/Atom" {% if site.lang %}xml:lang="{{ site.lang }}"{% endif %}>
+  <generator uri="https://jekyllrb.com/" version="{{ jekyll.version }}">Jekyll</generator>
+  <link href="{{ page.url | absolute_url }}" rel="self" type="application/atom+xml" />
+  <link href="{{ '/' | absolute_url }}" rel="alternate" type="text/html" {% if site.lang %}hreflang="{{ site.lang }}" {% endif %}/>
+  <updated>{{ site.time | date_to_xmlschema }}</updated>
+  <id>{{ page.url | absolute_url | xml_escape }}</id>
+
+  {% assign title = site.title | default: site.name %}
+  {% if page.collection != "posts" %}
+    {% assign collection = page.collection | capitalize %}
+    {% assign title = title | append: " | " | append: collection %}
+  {% endif %}
+  {% if page.category %}
+    {% assign category = page.category | capitalize %}
+    {% assign title = title | append: " | " | append: category %}
+  {% endif %}
+
+  {% if title %}
+    <title type="html">{{ title | smartify | xml_escape }}</title>
+  {% endif %}
+
+  {% if site.description %}
+    <subtitle>{{ site.description | xml_escape }}</subtitle>
+  {% endif %}
+
+  {% if site.feed.icon %}
+    {% assign feed_icon = site.feed.icon %}
+    {% unless feed_icon contains "://" %}
+      {% assign feed_icon = feed_icon | absolute_url %}
+    {% endunless %}
+    <icon>{{ feed_icon | xml_escape }}</icon>
+  {% endif %}
+
+  {% if site.feed.logo %}
+    {% assign feed_logo = site.feed.logo %}
+    {% unless feed_logo contains "://" %}
+      {% assign feed_logo = feed_logo | absolute_url %}
+    {% endunless %}
+    <logo>{{ feed_logo | xml_escape }}</logo>
+  {% endif %}
+
+  {% if site.author %}
+    <author>
+        <name>{{ site.author.name | default: site.author | xml_escape }}</name>
+      {% if site.author.email %}
+        <email>{{ site.author.email | xml_escape }}</email>
+      {% endif %}
+      {% if site.author.uri %}
+        <uri>{{ site.author.uri | xml_escape }}</uri>
+      {% endif %}
+    </author>
+  {% endif %}
+
+  {% if page.tags %}
+    {% assign posts = site.tags[page.tags] %}
+  {% else %}
+    {% assign posts = site[page.collection] %}
+  {% endif %}
+  {% if page.category %}
+    {% assign posts = posts | where: "categories", page.category %}
+  {% endif %}
+  {% unless site.show_drafts %}
+    {% assign posts = posts | where_exp: "post", "post.draft != true" %}
+  {% endunless %}
+  {% assign posts = posts | sort: "date" | reverse %}
+  {% assign posts_limit = site.feed.posts_limit | default: 10 %}
+  {% for post in posts limit: posts_limit %}
+    <entry{% if post.lang %}{{" "}}xml:lang="{{ post.lang }}"{% endif %}>
+      {% assign post_title = post.title | smartify | strip_html | normalize_whitespace | xml_escape %}
+
+      <title type="html">{{ post_title }}</title>
+      <link href="{{ post.url | absolute_url }}" rel="alternate" type="text/html" title="{{ post_title }}" />
+      <published>{{ post.date | date_to_xmlschema }}</published>
+      <updated>{{ post.last_modified_at | default: post.date | date_to_xmlschema }}</updated>
+      <id>{{ post.id | absolute_url | xml_escape }}</id>
+      {% assign excerpt_only = post.feed.excerpt_only | default: site.feed.excerpt_only %}
+      {% unless excerpt_only %}
+        <content type="html" xml:base="{{ post.url | absolute_url | xml_escape }}"><![CDATA[{{ post.content | strip }}]]></content>
+      {% endunless %}
+
+      {% assign post_author = post.author | default: post.authors[0] | default: site.author %}
+      {% assign post_author = site.data.authors[post_author] | default: post_author %}
+      {% assign post_author_email = post_author.email | default: nil %}
+      {% assign post_author_uri = post_author.uri | default: nil %}
+      {% assign post_author_name = post_author.name | default: post_author %}
+
+      <author>
+          <name>{{ post_author_name | default: "" | xml_escape }}</name>
+        {% if post_author_email %}
+          <email>{{ post_author_email | xml_escape }}</email>
+        {% endif %}
+        {% if post_author_uri %}
+          <uri>{{ post_author_uri | xml_escape }}</uri>
+        {% endif %}
+      </author>
+
+      {% if post.category %}
+        <category term="{{ post.category | xml_escape }}" />
+      {% elsif post.categories %}
+        {% for category in post.categories %}
+          <category term="{{ category | xml_escape }}" />
+        {% endfor %}
+      {% endif %}
+
+      {% for tag in post.tags %}
+        <category term="{{ tag | xml_escape }}" />
+      {% endfor %}
+
+      {% assign post_summary = post.description | default: post.excerpt %}
+      {% if post_summary and post_summary != empty %}
+        <summary type="html"><![CDATA[{{ post_summary | strip_html | normalize_whitespace }}]]></summary>
+      {% endif %}
+
+      {% assign post_image = post.image.path | default: post.image %}
+      {% if post_image %}
+        {% unless post_image contains "://" %}
+          {% assign post_image = post_image | absolute_url %}
+        {% endunless %}
+        <media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="{{ post_image | xml_escape }}" />
+        <media:content medium="image" url="{{ post_image | xml_escape }}" xmlns:media="http://search.yahoo.com/mrss/" />
+      {% endif %}
+    </entry>
+  {% endfor %}
+</feed>

_posts/2023-04-25-Refitting-Data-from-Wiener.md

@@ -121,12 +121,6 @@ drive.mount("/content/drive")
 !black "/content/drive/MyDrive/Colab Notebooks/Wiener curve fitting.ipynb"
 ```
 
-    reformatted /content/drive/MyDrive/Colab Notebooks/Wiener curve fitting.ipynb
-
-    All done! ✨ 🍰 ✨
-    1 file reformatted.
-
-
 
 ```python
 # Set up plot axis labels