docs: convert BACKERS.md to backers.txt

There is no reason for this file to be in project root, which is crowded
as is. This also fits nicely part of the ongoing work towards gathering
as much of the documentation as possible into one place.

1 files changed, 7 insertions, 2 deletions

diff --git a/scripts/gen_help_html.lua b/scripts/gen_help_html.lua
index 8226a0548f..49417e72bb 100644
--- a/scripts/gen_help_html.lua
+++ b/scripts/gen_help_html.lua
@@ -37,6 +37,9 @@ local spell_dict = {
   vimL = 'Vimscript',
   viml = 'Vimscript',
 }
+local spell_ignore_files = {
+  ['backers.txt'] = 'true',
+}
 local language = nil
 
 local M = {}
@@ -86,6 +89,7 @@ local exclude_invalid_urls = {
 -- Deprecated, brain-damaged files that I don't care about.
 local ignore_errors = {
   ['pi_netrw.txt'] = true,
+  ['backers.txt'] = true,
 }
 
 local function tofile(fname, text)
@@ -386,9 +390,10 @@ local function visit_validate(root, level, lang_tree, opt, stats)
     and (not vim.tbl_contains({ 'codespan', 'taglink', 'tag' }, parent))
   then
     local text_nopunct = vim.fn.trim(text, '.,', 0) -- Ignore some punctuation.
-    if spell_dict[text_nopunct] then
+    local fname_basename = assert(vim.fs.basename(opt.fname))
+    if spell_dict[text_nopunct] and not spell_ignore_files[fname_basename] then
       invalid_spelling[text_nopunct] = invalid_spelling[text_nopunct] or {}
-      invalid_spelling[text_nopunct][vim.fs.basename(opt.fname)] = node_text(root:parent())
+      invalid_spelling[text_nopunct][fname_basename] = node_text(root:parent())
     end
   elseif node_name == 'url' then
     local fixed_url, _ = fix_url(trim(text))