diff --git a/.gitignore b/.gitignore
index 0839b15..a8d3d97 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,2 @@
 .obsidian/workspace.json
-
-/.obsidian/plugins/recent-files-obsidian/data.json
\ No newline at end of file
+.obsidian/plugins/recent-files-obsidian/data.json
\ No newline at end of file
diff --git a/.obsidian/plugins/recent-files-obsidian/data.json b/.obsidian/plugins/recent-files-obsidian/data.json
index b55c01b..edadd0e 100644
--- a/.obsidian/plugins/recent-files-obsidian/data.json
+++ b/.obsidian/plugins/recent-files-obsidian/data.json
@@ -1,5 +1,17 @@
 {
   "recentFiles": [
+    {
+      "basename": "open-problems-in-estimating",
+      "path": "open-problems-in-estimating.md"
+    },
+    {
+      "basename": "portable-tools",
+      "path": "portable-tools.md"
+    },
+    {
+      "basename": "README",
+      "path": "README.md"
+    },
     {
       "basename": "feeders",
       "path": "feeders.md"
@@ -16,10 +28,6 @@
       "basename": "electrical",
       "path": "electrical.md"
     },
-    {
-      "basename": "README",
-      "path": "README.md"
-    },
     {
       "basename": "full-takeoff",
       "path": "full-takeoff.md"
@@ -191,10 +199,6 @@
     {
       "basename": "subfeeds",
       "path": "subfeeds.md"
-    },
-    {
-      "basename": "systems",
-      "path": "systems.md"
     }
   ],
   "omittedPaths": [],
diff --git a/powershell-document-conversion-module.md b/powershell-document-conversion-module.md
deleted file mode 100644
index 66d0677..0000000
--- a/powershell-document-conversion-module.md
+++ /dev/null
@@ -1,83 +0,0 @@
----
-id:
-aliases: []
-tags:
-  - status/fleeting
-  - topic/automation
----
-# PowerShell Document Conversion
-
-PowerShell module to allow fluent conversion of "document" files,
-including markup source (.md, .adoc, .rst, etc.)
-and binary formats (.pdf, .docx, etc.),
-as well as allow ~~common high-level actions on them.~~
-
-> [!note]
-> Cmdlets should be written to accept multiple input files where appropriate.
-
-See [[portable-tools]] for valid dependencies.
-
-## `Convert-Document`
-
-* pandoc
-* calibre `ebook-convert` (if necessary)
-* AsciiDoctor
-
-### Case: From PDF
-
-* marker
-  * Python based CLI
-  * Option to use LLM for more accurate output
-* muPDF
-
-### Case: From Asciidoc
-
-pandoc can not translate from Asciidoc, only to.
-Convert first to html.
-
-## `Measure-Document`
-
-Measure total words, occurances of unique words, etc.
-Where applicable, the same by page, as well as total pages.
-
-## `Format-Document`
-
-Run format specific linter on document.
-
-## `Get-DocumentMetadata`/`Set-DocumentMetadata`
-
-> Reconcile document metadata formats
-
-* markdown yaml frontmatter
-* asciidoc attributes
-
-## `Import-Document`
-
-Return PSCustomObject with appropriate properties.
-
-***
-
-## `Import-XML`
-
-Missing from base pwsh but should be straightforward to implement.
-
-```pwsh
-function Import-XML {
-    param(
-        [string]$Path
-    )
-    $xmlText = Get-Content $Path
-    $document = [xml]$xmlText
-    return $document
-}
-```
-
-`*.SupplierLink.xml`
-
-## `Unblock-Document`
-
-Excel sheet protection
-
-## `Where-Document`
-
-Filter by metadata. etc.