[PATCH 2/9] doc/bash.1: Document approach to conditional text.

[G. Branden Robinson]

---
 doc/bash.1 | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/doc/bash.1 b/doc/bash.1
index e58c1e8a..54ebb696 100644
--- a/doc/bash.1
+++ b/doc/bash.1
@@ -7,7 +7,10 @@
 .\"
 .\"    Last Change: Thu Dec 12 13:37:07 EST 2024
 .\"
-.\" bash_builtins, strip all but Builtins section
+.\" The bash_builtins page strips all sections of this page except
+.\" "SHELL BUILT-IN COMMANDS".  The rbash page strips all sections of
+.\" this page except "RESTRICTED SHELL".  Use *roff registers to control
+.\" this and a few phrases conditional on the page's identity.
 .\"
 .\" Ensure the registers are initialized to avoid groff warnings.
 .nr zZ +0
-- 
2.30.2

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