.vimrc: try line number cycling again

home/.vimrc

@@ -419,14 +419,15 @@ let mapleader = ","
   amenu Cheatsheet.NERDTreeFind<Tab>F3 <F3>
 
   " F4 toggles line numbers
-  map <F4> :set invnumber<CR>
-  imap <F4> <Esc>:set invnumber<CR>
-  amenu Cheatsheet.Toggle\ Line\ Numbers<Tab>F4 <F4>
+  " map <F4> :set invnumber<CR>
+  " imap <F4> <Esc>:set invnumber<CR>
+
+  " this version cycles through a couple versions of relative and absolute
+  " line numbers:
+  map <F4> :call BPB_CycleLineNumbers()<CR>
+  imap <F4> <Esc>:call BPB_CycleLineNumbers()<CR>
 
-  " i just am not that big a fan of relative numbers, so this version of
-  " the above is unused for the moment:
-  " map <F4> :call BPB_CycleLineNumbers()<CR>
-  " imap <F4> <Esc>:call BPB_CycleLineNumbers()<CR>
+  amenu Cheatsheet.Toggle\ Line\ Numbers<Tab>F4 <F4>
 
   " F5 saves everything
   map <F5> :wall<CR>