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[groff] 25/51: [mdoc]: Warn if Dd, Dt called without arguments.
From: |
G. Branden Robinson |
Subject: |
[groff] 25/51: [mdoc]: Warn if Dd, Dt called without arguments. |
Date: |
Sun, 11 Sep 2022 08:15:52 -0400 (EDT) |
gbranden pushed a commit to branch master
in repository groff.
commit da5ad142d88d167dd57b722d96b1ca0b2a0bbbbf
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Tue Sep 6 23:03:13 2022 -0500
[mdoc]: Warn if Dd, Dt called without arguments.
* tmac/mdoc/doc-common (Dt, Dd): Emit diagnostic warnings if macros
called with no arguments.
Fixes <https://savannah.gnu.org/bugs/?62774> (5/7).
I dislike this diagnostic message format, but it's consistent with
existing groff mdoc practice.
---
ChangeLog | 7 +++++++
tmac/mdoc/doc-common | 5 +++++
2 files changed, 12 insertions(+)
diff --git a/ChangeLog b/ChangeLog
index c11b859d3..5d386f9dd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2022-09-06 G. Branden Robinson <g.branden.robinson@gmail.com>
+
+ * tmac/mdoc/doc-common (Dt, Dd): Emit diagnostic warnings if
+ macros called with no arguments.
+
+ Fixes <https://savannah.gnu.org/bugs/?62774> (5/7).
+
2022-09-06 G. Branden Robinson <g.branden.robinson@gmail.com>
[mdoc]: Fix code style nit: stop using Control+G as an escape
diff --git a/tmac/mdoc/doc-common b/tmac/mdoc/doc-common
index de230d34b..988bdd5cd 100644
--- a/tmac/mdoc/doc-common
+++ b/tmac/mdoc/doc-common
@@ -340,6 +340,9 @@
.
.eo
.de Dt
+. if !\n[.$] \
+. tm mdoc warning: .Dt directive expects one or more arguments \
+(#\n[.c])
. if !"\$1"" \
. ds doc-document-title "\$1
.
@@ -902,6 +905,8 @@
.
.eo
.de Dd
+. if !\n[.$] \
+. tm mdoc warning: .Dd directive expects an argument (#\n[.c])
. if \n[.$] \{\
. ie "\$1"$Mdocdate:" .ds doc-date-string \$2\~\$3, \$4\"
. el .ds doc-date-string \$*\"
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