style message about missing blank before trailing delimiter;

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

4 files changed, 8 insertions, 5 deletions

diff --git a/regress/mdoc/Er/noarg.in b/regress/mdoc/Er/noarg.in
index 6dc2aea6..646d3d54 100644
--- a/regress/mdoc/Er/noarg.in
+++ b/regress/mdoc/Er/noarg.in
@@ -1,4 +1,4 @@
-.Dd January 19, 2011
+.Dd June 9, 2017
 .Dt ER-NOARG 1
 .Os OpenBSD
 .Sh NAME
@@ -7,6 +7,7 @@
 .Sh DESCRIPTION
 with error:
 .Er ENOENT ";" "Sy" bold ;
+.Er EIO.
 no error:
 .Er
 end of test document
diff --git a/regress/mdoc/Er/noarg.out_ascii b/regress/mdoc/Er/noarg.out_ascii
index cd8cc77b..ed7b16a9 100644
--- a/regress/mdoc/Er/noarg.out_ascii
+++ b/regress/mdoc/Er/noarg.out_ascii
@@ -4,6 +4,6 @@ NNAAMMEE
      EErr--nnooaarrgg - error constant macro without an argument
 
 DDEESSCCRRIIPPTTIIOONN
-     with error: ENOENT; bboolldd; no error: end of test document
+     with error: ENOENT; bboolldd; EIO. no error: end of test document
 
-OpenBSD                        January 19, 2011                        OpenBSD
+OpenBSD                          June 9, 2017                          OpenBSD
diff --git a/regress/mdoc/Er/noarg.out_lint b/regress/mdoc/Er/noarg.out_lint
index b8594294..46b31363 100644
--- a/regress/mdoc/Er/noarg.out_lint
+++ b/regress/mdoc/Er/noarg.out_lint
@@ -1 +1,2 @@
-mandoc: noarg.in:11:2: WARNING: skipping empty macro: Er
+mandoc: noarg.in:12:2: WARNING: skipping empty macro: Er
+mandoc: noarg.in:10:8: STYLE: no blank before trailing delimiter: Er EIO.
diff --git a/regress/mdoc/Er/noarg.out_markdown b/regress/mdoc/Er/noarg.out_markdown
index 17dba3d4..47d378d8 100644
--- a/regress/mdoc/Er/noarg.out_markdown
+++ b/regress/mdoc/Er/noarg.out_markdown
@@ -8,7 +8,8 @@ ER-NOARG(1) - General Commands Manual
 
 with error:
 `ENOENT`; **bold**;
+`EIO.`
 no error:
 end of test document
 
-OpenBSD - January 19, 2011
+OpenBSD - June 9, 2017