style message about missing blank before trailing delimiter;

inspired by mdoclint(1), and jmc@ considers it useful

5 files changed, 13 insertions, 4 deletions

diff --git a/regress/mdoc/Op/Makefile b/regress/mdoc/Op/Makefile
index ab934a4e..4a2d6fda 100644
--- a/regress/mdoc/Op/Makefile
+++ b/regress/mdoc/Op/Makefile
@@ -1,7 +1,7 @@
 # $OpenBSD: Makefile,v 1.3 2014/07/02 11:42:56 schwarze Exp $
 
 REGRESS_TARGETS	= break broken punct
-LINT_TARGETS	= break broken
+LINT_TARGETS	= break broken punct
 
 SKIP_GROFF	= break
 SKIP_ASCII	= break
diff --git a/regress/mdoc/Op/punct.in b/regress/mdoc/Op/punct.in
index 7bc99332..7c09e574 100644
--- a/regress/mdoc/Op/punct.in
+++ b/regress/mdoc/Op/punct.in
@@ -1,4 +1,4 @@
-.Dd June 24, 2011
+.Dd June 9, 2017
 .Dt OP-PUNCT 1
 .Os OpenBSD
 .Sh NAME
@@ -29,3 +29,6 @@ more than one:
 .Op ( (
 .Op | |
 .Op . .
+.Pp
+Missing blank:
+.Op a.
diff --git a/regress/mdoc/Op/punct.out_ascii b/regress/mdoc/Op/punct.out_ascii
index 53251b52..3f5b22cd 100644
--- a/regress/mdoc/Op/punct.out_ascii
+++ b/regress/mdoc/Op/punct.out_ascii
@@ -14,4 +14,6 @@ DDEESSCCRRIIPPTTIIOONN
 
      more than one: (([] [| |] []..
 
-OpenBSD                          June 24, 2011                         OpenBSD
+     Missing blank: [a.]
+
+OpenBSD                          June 9, 2017                          OpenBSD
diff --git a/regress/mdoc/Op/punct.out_lint b/regress/mdoc/Op/punct.out_lint
new file mode 100644
index 00000000..fff31aea
--- /dev/null
+++ b/regress/mdoc/Op/punct.out_lint
@@ -0,0 +1 @@
+mandoc: punct.in:34:6: STYLE: no blank before trailing delimiter: Op a.
diff --git a/regress/mdoc/Op/punct.out_markdown b/regress/mdoc/Op/punct.out_markdown
index 114bd7af..98ee2e72 100644
--- a/regress/mdoc/Op/punct.out_markdown
+++ b/regress/mdoc/Op/punct.out_markdown
@@ -31,4 +31,7 @@ more than one:
 \[| |]
 \[]..
 
-OpenBSD - June 24, 2011
+Missing blank:
+\[a.]
+
+OpenBSD - June 9, 2017