[groff] 09/17: doc/groff.texi.in (Identifiers): Clarify.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit 21a99ce3fa1bb8cbcb6e6a7ba3a106e22e46dfeb
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Sat Feb 17 15:14:58 2024 -0600

    doc/groff.texi.in (Identifiers): Clarify.
---
 doc/groff.texi.in | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/doc/groff.texi.in b/doc/groff.texi.in
index 5e7c3b446..cedb5362a 100644
--- a/doc/groff.texi.in
+++ b/doc/groff.texi.in
@@ -6630,8 +6630,9 @@ reference delimiters.
 Interpolate@tie{}1 if @var{anything} is a valid identifier, and@tie{}0
 otherwise.  The delimiter need not be a neutral apostrophe; see
 @ref{Delimiters}.  Because invalid input characters are removed (see
-above), invalid identifiers are empty or contain spaces, tabs, or
-newlines.
+above), invalid identifiers are empty or contain spaces, tabs, newlines,
+or escape sequences that interpolate something other than a sequence of
+ordinary characters.
 
 You can employ @code{\A} to validate a macro argument before using it to
 construct another escape sequence or identifier.