ldoc.patch

--- a/ldoc.lua	2016-11-07 09:20:55.000000000 -0500
+++ b/ldoc.lua	2023-01-26 09:53:47.446847946 -0500
@@ -15,7 +15,10 @@
 -- @copyright 2011
 -- @license MIT/X11
 -- @script ldoc
 
+local dir = arg[0]:match('^(.+)[/\\]')
+package.path = string.format('%s/?.lua;%s/?/init.lua', dir, dir)
+
 local class = require 'pl.class'
 local app = require 'pl.app'
 local path = require 'pl.path'
--- a/ldoc/tools.lua	2016-11-07 09:20:55.000000000 -0500
+++ b/ldoc/tools.lua	2023-01-26 09:53:47.446847946 -0500
@@ -266,7 +266,10 @@
    end
    local lpath,cnt = fname:gsub('^'..utils.escape(basename),'')
    --print('deduce',lpath,cnt,basename)
-   if cnt ~= 1 then quit("module(...) name deduction failed: base "..basename.." "..fname) end
+   if cnt ~= 1 then
+    print("module(...) name deduction failed: base "..basename.." "..fname)
+    return '_UNKNOWN'
+  end
    lpath = lpath:gsub(path.sep,'.')
    return (M.name_of(lpath):gsub('%.init$',''))
 end