diff --git a/autoload/ags.vim b/autoload/ags.vim
index 9b624d7..e8ef67f 100644
--- a/autoload/ags.vim
+++ b/autoload/ags.vim
@@ -63,7 +63,7 @@ function! s:show(lines, ...)
     let obj = { 'add': a:0 && a:1, 'lines': a:lines }
 
     function obj.run()
-        if self.add
+        if self.add && line('$') > 1
             call append('$', self.lines)
         else
             call ags#buf#replaceLines(self.lines)
diff --git a/autoload/ags/edit.vim b/autoload/ags/edit.vim
index 8425186..0fcde84 100644
--- a/autoload/ags/edit.vim
+++ b/autoload/ags/edit.vim
@@ -9,6 +9,10 @@ let s:editLines = []
 " The actual file line starts after the line number offset
 let s:offset = 0
 
+" Line number offset pattern
+" Used to remove the line numbers from the file line
+let s:offsetPat = '^'
+
 " Cursor operations
 let s:cur = {}