--- a/autoload/core.vim	Tue Mar 10 20:28:16 2026 -0400
+++ b/autoload/core.vim	Tue Mar 10 21:31:17 2026 -0400
@@ -1,10 +1,25 @@
 " autoload/core.vim
 " Functions are loaded on demand
-
-if exists('*core#greet')
+if exists('g:loaded_core')
   finish
 endif
+let g:loaded_core = 1
 
-function! core#greet() abort
-  echo g:core_greeting
+function! core#PopupCommand(command)
+	let buf = term_start(a:command, {'hidden': 1, 'term_finish': 'close'})
+	let winid = popup_create(buf, {'minwidth': 120, 'minheight': 28})
 endfunction
+
+function! core#ReadOnlyPopup(content)
+  let lines = split(a:content, "\n")
+  let winid = popup_create(lines, {'minwidth':120, 'minheight':28})
+  let buf = winbufnr(winid)
+  call setbufvar(buf, '&modifiable', 0)
+  call setbufvar(buf, '&bufhidden', 'wipe')
+  return winid
+endfunction
+
+function! core#ExecuteCommand(command)
+  " a:command is a shell command string, e.g. 'hg status'
+  return system(a:command . ' 2>&1')
+endfunction

--- a/doc/core.txt	Tue Mar 10 20:28:16 2026 -0400
+++ b/doc/core.txt	Tue Mar 10 21:31:17 2026 -0400
@@ -2,15 +2,20 @@
 
 INTRODUCTION                                        *core*
 
-core is a minimal example plugin.
+core is a minimal plugin providing some consistent and 
+re-usable functionality.
 
 USAGE                                              *core-usage*
 
-    :CoreGreet
-        Echo a greeting message. You can customize it with
-        g:core_greeting:
+function core#PopupCommand({command})
+	Create a popup that runs a terminal {command}
 
-        >   let g:core_greeting = 'Hi there!'
+function core#ReadOnlyPopup(content)
+	Create a read only popup with the {contents}.
+	There is currently no easy way to close this buffer.
+
+function core#ExecuteCommand(command)
+	Executes {command} and returns the results.
 
 INSTALLATION                                       *core-install*
 

--- a/plugin/core.vim	Tue Mar 10 20:28:16 2026 -0400
+++ b/plugin/core.vim	Tue Mar 10 21:31:17 2026 -0400
@@ -1,15 +1,2 @@
 " plugin/core.vim
 " Basic plugin entry point
-
-if exists('g:loaded_core')
-  finish
-endif
-let g:loaded_core = 1
-
-" Default configuration option
-if !exists('g:core_greeting')
-  let g:core_greeting = 'Hello from core!'
-endif
-
-" Command that calls an autoloaded function
-command! CoreGreet call core#greet()