Some pre-handlers produce output, so reorder the code to set up

keep flags before they are called.
Without this bugfix, .Bk was ineffective in some cases.
"looks reasonable" kristaps@

2 files changed, 27 insertions, 0 deletions

diff --git a/regress/usr.bin/mandoc/mdoc/Bk/break.in b/regress/usr.bin/mandoc/mdoc/Bk/break.in
index de2038436a2..32d79f03b30 100644
--- a/regress/usr.bin/mandoc/mdoc/Bk/break.in
+++ b/regress/usr.bin/mandoc/mdoc/Bk/break.in
@@ -5,6 +5,24 @@
 .Nm Bk-break
 .Nd handling of word keeps
 .Sh DESCRIPTION
+Even though it is called a word keep,
+.Bk -words
+it will not keep words together in free-form text.
+.Ek
+However, even the noop macro
+.Bk -words
+.No is sufficient to let the keep take effect .
+.Ek
+Even text generated in pre-handlers must be kept together with
+the text following it:
+.Bk -words
+.Xr one 1 No and Xr two 2
+.Ek
+should be on the same line.
+.Pp
+Including the whole output line into the keep is not required,
+including just the macros to be kept together is sufficient:
+.Pp
 .Nm
 .Ar x x x x x x x x
 .Ar x x x x x x x x
diff --git a/regress/usr.bin/mandoc/mdoc/Bk/break.out_ascii b/regress/usr.bin/mandoc/mdoc/Bk/break.out_ascii
index 04bafbcccdd..623e7a9bd1a 100644
--- a/regress/usr.bin/mandoc/mdoc/Bk/break.out_ascii
+++ b/regress/usr.bin/mandoc/mdoc/Bk/break.out_ascii
@@ -4,6 +4,15 @@ NNAAMMEE
      BBkk--bbrreeaakk - handling of word keeps
 
 DDEESSCCRRIIPPTTIIOONN
+     Even though it is called a word keep, it will not keep words together in
+     free-form text.  However, even the noop macro
+     is sufficient to let the keep take effect.  Even text generated in pre-
+     handlers must be kept together with the text following it:
+     one(1) and two(2) should be on the same line.
+
+     Including the whole output line into the keep is not required, including
+     just the macros to be kept together is sufficient:
+
      BBkk--bbrreeaakk _x _x _x _x _x _x _x _x _x _x _x _x _x _x _x _x _x _x _x _x _x _x _x _x _x _x _x _x _x _x
      [o _a]