diff --git a/bin/hledger-dc b/bin/hledger-dc
index 949b0f0b1..5c108f059 100755
--- a/bin/hledger-dc
+++ b/bin/hledger-dc
@@ -7,6 +7,8 @@
 # If it begins with Cr<WHITESPACE> and contains no number, remove that.
 # If it begins with Cr<WHITESPACE>, remove that and add a minus sign before the next number, and if that leaves a double minus, cancel those out.
 dc2sign() { sed -E -e 's/^(\s+)Dr\s+/\1/i' -e 's/^(\s+)Cr\s+([^0-9]+)$/\1\2/i' -e 's/^(\s+)Cr\s+([^0-9]+)([0-9])/\1\2-\3/i' -e 's/--([0-9])/\1/'; }
+# Or with a two space delimiter after Dr/Cr, allowing account names like "Dr Michael:checkup":
+#dc2sign() { sed -E -e 's/^(\s+)Dr\s\s+/\1/i' -e 's/^(\s+)Cr\s\s+([^0-9]+)$/\1\2/i' -e 's/^(\s+)Cr\s\s+([^0-9]+)([0-9])/\1\2-\3/i' -e 's/--([0-9])/\1/'; }
 
 dc2sign <"$1" | hledger -f- "${@:2}"
 
@@ -17,14 +19,23 @@ dc2sign <"$1" | hledger -f- "${@:2}"
 # 2025-01-01 salary
 #     Cr revenues            800 USD
 #     Dr assets
-
+#
 # $ hledger -f sample.journaldc print
 # 2025-01-01 salary
 #     Cr revenues         800 USD
 #     Dr assets
-
+#
 # $ hledger dc sample.journaldc print
 # 2025-01-01 salary
 #     revenues        -800 USD
 #     assets
 
+# Dev notes:
+# This is syntactic sugar. 
+# If useful, it should be possible to add this to journal format without too much breakage.
+#
+# Showing debits/credits separately in output, with a --dc flag, is more work.
+# It could be prototyped as a single new report, eg an addon script providing variant of the simple balance report. 
+# I think both the report calculation and display code would need to change, to sum and show the positive amounts and negative amounts separately.
+# It would be a nice feature: offering a more traditional view of things, and reducing sign vs dc doubts.
+# Would it provide any real new error checking power ? I'm not sure
diff --git a/bin/hledger-timedothm b/bin/hledger-timedothm
index 85197764e..f83bd8b01 100755
--- a/bin/hledger-timedothm
+++ b/bin/hledger-timedothm
@@ -26,3 +26,11 @@ hm2dec <"$1" | hledger -f timedot:- "${@:2}" | dec2hm
 #                                 (time)                        0:30          1:00
 #                                 (time)                        0:30          1:30
 #                                 (time)                        0:30          2:00
+
+# Dev notes:
+# If useful, there's no reason we couldn't
+# 1. add H:M syntax to timedot format
+# 2. add a general --hm output flag, affecting display of amounts with
+# no commodity,
+# or a commodity that looks like a time unit (eg timedot's: s, m, h, d, w, mo, y),
+# or a commodity that has a display:time tag.