gbranden pushed a commit to branch master
in repository groff.
commit a7c7d878cfb0bb0a8b09d53cffd545585655028c
Author: G. Branden Robinson <[email protected]>
AuthorDate: Tue Dec 2 23:52:58 2025 -0600
[troff]: Improve diagnostics.
* src/roff/troff/input.cpp (token::description): Hedge against
programmer carelessness. If someone creates a node type without a
human-readable descripion, pre-populate the buffer describing it with
a revealing description that is less frustrating than nothing at all.
Illustration:
$ printf '\\C\\v"1m"\n' | ~/groff-HEAD/bin/groff -aww
troff:<standard input>:1: warning: cannot use to delimit a name
<beginning of page>
$ printf '\\C\\v"1m"\n' | ./build/test-groff -aww
troff:<standard input>:1: warning: cannot use an undescribed node to
delimit a name
<beginning of page>
---
ChangeLog | 8 ++++++++
src/roff/troff/input.cpp | 1 +
2 files changed, 9 insertions(+)
diff --git a/ChangeLog b/ChangeLog
index 8e12480e9..71a535a4c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2025-12-02 G. Branden Robinson <[email protected]>
+
+ * src/roff/troff/input.cpp (token::description): Hedge against
+ programmer carelessness. If someone creates a node type without
+ a human-readable descripion, pre-populate the buffer describing
+ it with a revealing description that is less frustrating than
+ nothing at all.
+
2025-12-01 G. Branden Robinson <[email protected]>
* src/devices/xditview/xditview.am
diff --git a/src/roff/troff/input.cpp b/src/roff/troff/input.cpp
index 3c1602a8b..aac808fab 100644
--- a/src/roff/troff/input.cpp
+++ b/src/roff/troff/input.cpp
@@ -2984,6 +2984,7 @@ const char *token::description()
case TOKEN_NODE:
{
static char nodebuf[bufsz];
+ (void) strcpy(buf, "an undescribed node");
describe_node(nodebuf, bufsz);
return buf;
}
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