diff --git a/README.md b/README.md
index deda5f5..bbf3dda 100644
--- a/README.md
+++ b/README.md
@@ -77,7 +77,7 @@ Your editor can send these settings using one of these two methods:
 fennel-ls is licensed under the MIT license. See LICENSE for more info.
 This project also contains files from other projects:
 * test/pl/* comes from [Penlight](https://github.com/lunarmodules/Penlight) [MIT license]
-* src/json/* comes from [json.lua](https://github.com/rxi/json.lua) [MIT license]
+* src/json/* is modified, but is originally from [json.lua](https://github.com/rxi/json.lua) [MIT license]
 * src/fennel-ls/docs/* contains information from the [lua](https://lua.org) reference [MIT license]
 * test/lust.lua is modified, but originially comes from from [lust](https://github.com/bjornbytes/lust) [MIT license]
 * fennel and src/fennel.lua are compiled from [fennel](https://git.sr.ht/~technomancy/fennel) [MIT license]
diff --git a/src/fennel-ls/compiler.fnl b/src/fennel-ls/compiler.fnl
index 7cf633a..c9aadbc 100644
--- a/src/fennel-ls/compiler.fnl
+++ b/src/fennel-ls/compiler.fnl
@@ -54,7 +54,8 @@ are declared / referenced in which places."
 
 (λ line+byte->range [self file line byte]
   (let [line (- line 1)
-        ;; TODO think about this further when upstream bug fennel#180 is fixed
+        ;; some errors in fennel erroneously say column -1
+        ;; try compiling "(do\n" to see what I mean
         byte (math.max 0 byte)
         position (utils.pos->position file.text line byte self.position-encoding)]
     {:start position :end position}))
diff --git a/src/fennel-ls/language.fnl b/src/fennel-ls/language.fnl
index 1610c00..de660a8 100644
--- a/src/fennel-ls/language.fnl
+++ b/src/fennel-ls/language.fnl
@@ -243,15 +243,15 @@ Returns:
         (table.insert parents ast)
         (if
           (or (sequence? ast) (list? ast))
-          (accumulate [(result done) nil
+          (accumulate [(result _parent) nil
                        _ child (ipairs ast)
                        &until result]
             (if (contains? child byte)
               (recurse child byte)))
           (and (not (sym? ast)) (not (varg? ast)))
-          (accumulate [(result done) nil
+          (accumulate [(result _parent) nil
                        key value (pairs ast)
-                       &until done]
+                       &until result]
             (if (contains? key byte)
               (recurse key byte)
               (contains? value byte)