* src/roff/troff/input.cpp (do_zero_width_output, do_register): Revise
  self-descriptions of the `\Z` and `\R` escape sequences for clarity.
---
 ChangeLog                | 6 ++++++
 src/roff/troff/input.cpp | 8 ++++----
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 7cb944ec2..7dfb22478 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2026-10-24  G. Branden Robinson <[email protected]>
+
+       * src/roff/troff/input.cpp (do_zero_width_output, do_register):
+       Revise self-descriptions of the `\Z` and `\R` escape sequences
+       for clarity.
+
 2026-10-24  G. Branden Robinson <[email protected]>
 
        * src/roff/troff/input.cpp (do_overstrike, do_bracket)
diff --git a/src/roff/troff/input.cpp b/src/roff/troff/input.cpp
index 28d1ecdb9..a9e82fb24 100644
--- a/src/roff/troff/input.cpp
+++ b/src/roff/troff/input.cpp
@@ -2053,12 +2053,12 @@ static node *do_zero_width_output() // \Z
   start_token.next();
   if (!want_att_compat && !start_token.is_usable_as_delimiter())
     warning(WARN_DELIM, "using %1 to delimit"
-                       " a zero-width sequence escape sequence"
+                       " a zero-width output escape sequence"
                        " is deprecated", start_token.description());
   else if (want_att_compat
            && !start_token.is_usable_as_delimiter(false,
                  DELIMITER_ATT_STRING_EXPRESSION)) {
-    warning(WARN_DELIM, "zero-width sequence escape sequence"
+    warning(WARN_DELIM, "zero-width output escape sequence"
            " does not accept %1 as a delimiter",
            start_token.description());
     return 0 /* nullptr */;
@@ -6649,12 +6649,12 @@ static void do_register() // \R
   start_token.next();
   if (!want_att_compat && !start_token.is_usable_as_delimiter())
     warning(WARN_DELIM, "using %1 to delimit"
-                       " a register assignment escape sequence"
+                       " a register update escape sequence"
                        " is deprecated", start_token.description());
   else if (want_att_compat
            && !start_token.is_usable_as_delimiter(false,
                  DELIMITER_ATT_STRING_EXPRESSION)) {
-    warning(WARN_DELIM, "register assignment escape sequence"
+    warning(WARN_DELIM, "register update escape sequence"
            " does not accept %1 as a delimiter",
            start_token.description());
     return;
-- 
2.39.5

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