Special case :AD to replace buffer with template

autoload/projectionist.vim

@@ -546,11 +546,13 @@ endfunction
 " Section: :A
 
 function! s:jumpopt(file) abort
-  let pattern = '[:+@#]\d\+$\|[+@#].*$'
+  let pattern = '!$\|[:+@#]\d\+$\|[+@#].*$'
   let file = substitute(a:file, pattern, '', '')
   let jump = matchstr(a:file, pattern)
   if jump =~# '^[:+@#]\d\+$'
     return [file, '+'.jump[1:-1].' ']
+  elseif jump ==# '!'
+    return [file, '+AD ']
   elseif !empty(jump)
     return [file, '+A'.escape(jump, ' ').' ']
   else
@@ -567,6 +569,9 @@ function! s:edit_command(cmd, count, ...) abort
     if empty(open[0])
       return 'echoerr "Invalid count"'
     endif
+  elseif a:cmd =~# 'read'
+    call projectionist#apply_template()
+    return ''
   else
     let alternates = projectionist#query_file('alternate')
     let warning = get(filter(copy(alternates), 'v:val =~# "replace %.*}"'), 0, '')
@@ -659,7 +664,6 @@ function! projectionist#apply_template() abort
     endif
     %delete_
     call setline(1, split(template, "\n"))
-    setlocal nomodified
     doautocmd BufReadPost
   endif
   return ''

doc/projectionist.txt

@@ -141,7 +141,10 @@ are available.
 :AT [file]              Like :A, but open in a tab.
 
                                                 *projectionist-:AD*
-:AD [file]              Like :A, but |:read| the file into the current buffer.
+:AD                     Replace the contents of the buffer with the new file
+                        template.
+
+:AD {file}              Like :A, but |:read| the file into the current buffer.
 
                                                 *projectionist-:Cd*
 :Cd                     |:cd| to the innermost root.

plugin/projectionist.vim

@@ -95,5 +95,6 @@ augroup projectionist
   autocmd BufNewFile *
         \ if !empty(get(b:, 'projectionist')) |
         \   call projectionist#apply_template() |
+        \   setlocal nomodified
         \ endif
 augroup END