gbranden pushed a commit to branch master
in repository groff.
commit 4b09e1688cd79808bc2142e1694f73c33cce3d4a
Author: G. Branden Robinson <[email protected]>
AuthorDate: Fri Dec 19 23:37:58 2025 -0600
[troff]: Warn on ambiguous delimiter in `tl` req.
* src/roff/troff/input.cpp (read_title_parts): Throw deprecation warning
in category "delim" if the delimiter is invalid and we're not in
compatibility mode. This is a training wheel to get people off of
ambiguous delimiters. See Savannah #66009.
---
ChangeLog | 7 +++++++
src/roff/troff/input.cpp | 3 +++
2 files changed, 10 insertions(+)
diff --git a/ChangeLog b/ChangeLog
index ec11cbd4f..75dca3fec 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2025-12-19 G. Branden Robinson <[email protected]>
+
+ * src/roff/troff/input.cpp (read_title_parts): Throw deprecation
+ warning in category "delim" if the delimiter is invalid and
+ we're not in compatibility mode. This is a training wheel to
+ get people off of ambiguous delimiters. See Savannah #66009.
+
2025-12-19 G. Branden Robinson <[email protected]>
* src/roff/groff/tests/check-delimiter-validity.sh: Improve
diff --git a/src/roff/troff/input.cpp b/src/roff/troff/input.cpp
index 59d4b15aa..e88f3e8bb 100644
--- a/src/roff/troff/input.cpp
+++ b/src/roff/troff/input.cpp
@@ -6428,6 +6428,9 @@ void read_title_parts(node **part, hunits *part_width)
if (!has_arg())
return;
token start(tok);
+ if (!want_att_compat && !tok.is_usable_as_delimiter())
+ warning(WARN_DELIM, "using %1 as a title request delimiter"
+ " is deprecated", tok.description());
int start_level = input_stack::get_level();
tok.next();
for (int i = 0; i < 3; i++) {
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