diff --git a/unicodedomino.sty b/unicodedomino.sty
index 406fdd5378e1678aa1c44249385725af7884cc83..89aee1e580007aeebf2e047be8c15ef7b75f1619 100644
--- a/unicodedomino.sty
+++ b/unicodedomino.sty
@@ -28,7 +28,7 @@
 % makes all UTF-8 available in listings.
 
 \NeedsTeXFormat{LaTeX2e}%
-\ProvidesPackage{unicodedomino}[2018/10/04 1.8 Domino for unknown codepoints]%
+\ProvidesPackage{unicodedomino}[2018/10/06 1.9 Domino for unknown codepoints]%
 \makeatletter%
 
 \ifx\numexpr\@undefined%
diff --git a/unicodedomino_kernel_better_decode.def b/unicodedomino_kernel_better_decode.def
index c43f6a4eb5e392b9fa2a49ca92ab5e1e9c268eb5..9412650d200cdf6463d9296821bd5dff6e1e8581 100644
--- a/unicodedomino_kernel_better_decode.def
+++ b/unicodedomino_kernel_better_decode.def
@@ -5,12 +5,13 @@
 %-
 % Improved Unicode decoding using the fixed-up checkseq code.
 
-%: entire file (plus UTFviii@checkseq) not submitted yet
+%: https://github.com/latex3/latex2e/pull/83
 % override stock function, calling safer decode below
 \gdef\decode@UTFviii#1\relax{%
  \the\numexpr(\UTFviii@decode0:#1\relax)%
 }%
 
+%: https://github.com/latex3/latex2e/pull/83
 % safer decode, returns 0x1FFFFF for illegal sequences
 \gdef\UTFviii@decode#1\relax{%
  \if\relax\expandafter\UTFviii@checkseq\string#1\empty\relax%
@@ -20,6 +21,7 @@
  \fi%
 }%
 
+%: https://github.com/latex3/latex2e/pull/83
 \gdef\UTFviii@dec@lead#1:#2#3\relax{%
  % we know #2 is in 00..7F, C2..F4
  \ifnum`#2<"80 %
@@ -38,6 +40,7 @@
  \fi%
 }%
 
+%: https://github.com/latex3/latex2e/pull/83
 \gdef\UTFviii@dec@trail#1#2\relax{%
  )*64+(`#1-"80)%
  \ifx\relax#2\else\UTFviii@dec@trail#2\relax\fi%
diff --git a/unicodedomino_kernel_cosmetics.def b/unicodedomino_kernel_cosmetics.def
index 604f309e1937009c0c00d39528d47a5d0530995d..ee2a96f1b5a6e4e2050f9261951a52b680ec1089 100644
--- a/unicodedomino_kernel_cosmetics.def
+++ b/unicodedomino_kernel_cosmetics.def
@@ -5,7 +5,7 @@
 %-
 % Improve error and warning formatting.
 
-%: merged
+%: merged, but ifx yet to see
 \ifx\UTFviii@check@three\@undefined%
  % override message to give the byte in hex
  \def\UTFviii@invalid@err#1{%
diff --git a/unicodedomino_kernel_fixup_f4_and_checkseq.def b/unicodedomino_kernel_fixup_f4_and_checkseq.def
index 5b4c9c2b02218866aadc6c872db779dfac64194c..f535b4b50ea0a897049b46531c6b0615a3c56c90 100644
--- a/unicodedomino_kernel_fixup_f4_and_checkseq.def
+++ b/unicodedomino_kernel_fixup_f4_and_checkseq.def
@@ -7,7 +7,7 @@
 % as well as codepoints outside of the Unicode range [0;10FFFF]. Add
 % "F4 to the list of permitted lead octets.
 
-%: not forwarded yet, need to do so now (plus unicodedomino_kernel_better_decode.def which is its user)
+%: https://github.com/latex3/latex2e/pull/83
 % new check for illegal sequences
 \gdef\UTFviii@checkseq#1:#2#3\empty{%
  \ifnum`#2<"80 %