--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vim/autoload/quickfixed.vim	Thu Sep 24 23:13:07 2020 -0700
@@ -0,0 +1,71 @@
+" Stolen from https://vimways.org/2018/colder-quickfix-lists/
+" ~/.vim/autoload/quickfixed.vim
+function! s:isLocation()
+    " Get dictionary of properties of the current window
+    let wininfo = filter(getwininfo(), {i,v -> v.winnr == winnr()})[0]
+    return wininfo.loclist
+endfunction
+
+function! s:length()
+    " Get the size of the current quickfix/location list
+    return len(s:isLocation() ? getloclist(0) : getqflist())
+endfunction
+
+function! s:getProperty(key, ...)
+    " getqflist() and getloclist() expect a dictionary argument
+    " If a 2nd argument has been passed in, use it as the value, else 0
+    let l:what = {a:key : a:0 ? a:1 : 0}
+    let l:listdict = s:isLocation() ? getloclist(0, l:what) : getqflist(l:what)
+    return get(l:listdict, a:key)
+endfunction
+
+function! s:isFirst()
+    return s:getProperty('nr') <= 1
+endfunction
+
+function! s:isLast()
+    return s:getProperty('nr') == s:getProperty('nr', '$')
+endfunction
+
+function! s:history(goNewer)
+    " Build the command: one of colder/cnewer/lolder/lnewer
+    let l:cmd = (s:isLocation() ? 'l' : 'c') . (a:goNewer ? 'newer' : 'older')
+
+    " Apply the cmd repeatedly until we hit a non-empty list, or first/last list
+    " is reached
+    while 1
+        if (a:goNewer && s:isLast()) || (!a:goNewer && s:isFirst()) | break | endif
+        " Run the command. Use :silent to suppress message-history output.
+        " Note that the :try wrapper is no longer necessary
+        silent execute l:cmd
+        if s:length() | break | endif
+    endwhile
+
+    " Set the height of the quickfix window to the size of the list, max-height 10
+    execute 'resize' min([ 10, max([ 1, s:length() ]) ])
+
+    " Echo a description of the new quickfix / location list.
+    " And make it look like a rainbow.
+    let l:nr = s:getProperty('nr')
+    let l:last = s:getProperty('nr', '$')
+    echohl MoreMsg | echon '('
+    echohl Identifier | echon l:nr
+    if l:last > 1
+        echohl LineNr | echon ' of '
+        echohl Identifier | echon l:last
+    endif
+    echohl MoreMsg | echon ') '
+    echohl MoreMsg | echon '['
+    echohl Identifier | echon s:length()
+    echohl MoreMsg | echon '] '
+    echohl Normal | echon s:getProperty('title')
+    echohl None
+endfunction
+
+function! quickfixed#older()
+    call s:history(0)
+endfunction
+
+function! quickfixed#newer()
+    call s:history(1)
+endfunction