gbranden pushed a commit to branch master
in repository groff.

commit a1a18dbcf5ada543d97082b93bc36db5816d7ff1
Author: G. Branden Robinson <[email protected]>
AuthorDate: Wed May 6 20:32:28 2026 -0500

    tmac/an.tmac: Annotate asymmetric logic.
---
 tmac/an.tmac | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tmac/an.tmac b/tmac/an.tmac
index 5d42bf4a2..bb6f38ae2 100644
--- a/tmac/an.tmac
+++ b/tmac/an.tmac
@@ -1179,6 +1179,10 @@ contains unsupported escape sequence
 .    ftr BI
 .    rr an*unmap-fonts
 .  \}
+.  \" Switching families in `EX` was conditional; switch back
+.  \" unconditionally because doing so (a) _should_ be harmless and (b)
+.  \" recovers from any unauthorized floor-penetrating family change
+.  \" shenanigans the document may have gotten up to.
 .  fam \\*[an*saved-family]
 .  ft \\n[an*saved-font]
 .  nr PD \\n[an*saved-paragraph-distance]

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