--- autoload/netrw.vim.orig	2023-06-18 13:08:29.211552200 +0900
+++ autoload/netrw.vim	2023-06-18 13:10:35.050395200 +0900
@@ -11179,15 +11179,15 @@
 "   call Decho("pfile   <".pfile.">",'~'.expand("<slnum>"))
 
    if w:netrw_liststyle == s:LONGLIST
-	let longfile = printf("%-".g:netrw_maxfilenamelen."S",pfile)
-	let sz       = getfsize(filename)
-	let szlen    = 15 - (strdisplaywidth(longfile) - g:netrw_maxfilenamelen)
-	let szlen    = (szlen > 0) ? szlen : 0
+    let longfile = printf("%-".g:netrw_maxfilenamelen."S",pfile)
+    let sz       = getfsize(filename)
+    let szlen    = 15 - (strdisplaywidth(longfile) - g:netrw_maxfilenamelen)
+    let szlen    = (szlen > 0) ? szlen : 0
 
     if g:netrw_sizestyle =~# "[hH]"
      let sz= s:NetrwHumanReadable(sz)
     endif
-	let fsz  = printf("%".szlen."S",sz)
+    let fsz  = printf("%".szlen."S",sz)
     let pfile= longfile."  ".fsz." ".strftime(g:netrw_timefmt,getftime(filename))
 "    call Decho("longlist support: sz=".sz." fsz=".fsz,'~'.expand("<slnum>"))
    endif
@@ -11198,7 +11198,7 @@
 "    call Decho("implementing g:netrw_sort_by=".g:netrw_sort_by." (time)")
 "    call Decho("getftime(".filename.")=".getftime(filename),'~'.expand("<slnum>"))
     let t  = getftime(filename)
-	let ft = printf("%018d",t)
+    let ft = printf("%018d",t)
 "    call Decho("exe NetrwKeepj put ='".ft.'/'.pfile."'",'~'.expand("<slnum>"))
     let ftpfile= ft.'/'.pfile
     sil! NetrwKeepj put=ftpfile
@@ -11211,7 +11211,7 @@
     if g:netrw_sizestyle =~# "[hH]"
      let sz= s:NetrwHumanReadable(sz)
     endif
-	let fsz  = printf("%018d",sz)
+    let fsz  = printf("%018d",sz)
 "    call Decho("exe NetrwKeepj put ='".fsz.'/'.filename."'",'~'.expand("<slnum>"))
     let fszpfile= fsz.'/'.pfile
     sil! NetrwKeepj put =fszpfile