docs: api, messages, lsp, trust

gen_vimdoc.lua: In prepare for the upcoming release, comment-out the
"Experimental" warning for prerelease features.

src/gen/gen_vimdoc.lua

@@ -512,6 +512,9 @@ local function should_render_field_or_param(p)
     and not vim.startswith(p.name, '_')
 end
 
+--- Gets a field's description and its "(default: …)" value, if any (see `lsp/client.lua` for
+--- examples).
+---
 --- @param desc? string
 --- @return string?, string?
 local function get_default(desc)
@@ -801,13 +804,18 @@ local function render_fun(fun, classes, cfg)
 
   if fun.since then
     local since = assert(tonumber(fun.since), 'invalid @since on ' .. fun.name)
-    local info = nvim_api_info()
-    if since == 0 or (info.prerelease and since == info.level) then
+    local nvim_api = nvim_api_info()
+    _ = nvim_api -- Disable prerelease "WARNING" doc, in preparation for for upcoming release.
+
+    if
+      since == 0 --[[or (nvim_api.prerelease and since == nvim_api.level)]]
+    then
       -- Experimental = (since==0 or current prerelease)
       local s = 'WARNING: This feature is experimental/unstable.'
       table.insert(ret, md_to_vimdoc(s, INDENTATION, INDENTATION, TEXT_WIDTH))
       table.insert(ret, '\n')
-    else
+    end
+    if since > 0 then
       local v = assert(util.version_level[since], 'invalid @since on ' .. fun.name)
       fun.attrs = fun.attrs or {}
       table.insert(fun.attrs, fmt('Since: %s', v))