[vimrc] Disable trailing whitespace cleanup when in binary mode

vimrc

@@ -94,7 +94,8 @@ if has("unix") || has("mac")
             \ 'component_expand': {
             \   'linter_warnings': 'LightlineLinterWarnings',
             \   'linter_errors': 'LightlineLinterErrors',
-            \   'linter_ok': 'LightlineLinterOK'
+            \   'linter_ok': 'LightlineLinterOK',
+            \   'lineinfo': 'LineInfo'
             \ },
             \ 'component_type': {
             \   'readonly': 'error',
@@ -467,7 +468,8 @@ function! DeleteTrailingTWS()
     silent %s/\s\+$//ge
     normal 'b
 endfunction
-if has("autocmd")
+"[Do not clean up trailing spaces in binary mode]"
+if has("autocmd") && !&binary
     autocmd BufWritePre *.py,*.pyw retab
     autocmd BufWritePre * call DeleteTrailingTWS()
 endif
@@ -502,6 +504,10 @@ function! LightlineLinterOK() abort
   return l:counts.total == 0 ? '✓ ' : ''
 endfunction
 
+function! LineInfo()
+    return !&binary ? '%3l:%-2v' : '%3l:%-2v off:%o,0x%O'
+endfunction
+
 autocmd User ALELint call s:MaybeUpdateLightline()
 
 " Update and show lightline but only if it's visible (e.g., not in Goyo)