gbranden pushed a commit to branch master
in repository groff.
commit b703358d254d77e5a1fa6c0d4caffd7c563d1a86
Author: G. Branden Robinson <[email protected]>
AuthorDate: Tue Sep 10 22:45:48 2024 -0500
tbl(1): Document limitation of long standing.
...but little mention.
---
ChangeLog | 5 +++++
src/preproc/tbl/tbl.1.man | 11 +++++++++++
src/roff/troff/env.cpp | 6 ++++--
3 files changed, 20 insertions(+), 2 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index f4471da78..73a84c025 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2024-09-10 G. Branden Robinson <[email protected]>
+
+ * src/roff/troff/env.cpp (indent, temporary_indent): Report
+ amount of computed indentation when warning of negative value.
+
2024-09-10 G. Branden Robinson <[email protected]>
* src/roff/troff/input.cpp
diff --git a/src/preproc/tbl/tbl.1.man b/src/preproc/tbl/tbl.1.man
index 897f4e213..4a06a69ec 100644
--- a/src/preproc/tbl/tbl.1.man
+++ b/src/preproc/tbl/tbl.1.man
@@ -1573,6 +1573,17 @@ interpret the uninterpreted leader escape sequence
.SH Limitations
.\" ====================================================================
.
+In table entries,
+do not use
+.I roff
+escape sequences that read to the end of the line,
+like
+.B \[rs]\[dq]
+or
+.B \[rs]!\& .
+.
+.
+.P
Multi-page tables,
if boxed and/or if you want their column headings repeated after page
breaks,
diff --git a/src/roff/troff/env.cpp b/src/roff/troff/env.cpp
index bd7616603..a087bc601 100644
--- a/src/roff/troff/env.cpp
+++ b/src/roff/troff/env.cpp
@@ -1578,7 +1578,8 @@ void indent()
hunits temp;
if (has_arg() && get_hunits(&temp, 'm', curenv->indent)) {
if (temp < H0) {
- warning(WARN_RANGE, "indent cannot be negative");
+ warning(WARN_RANGE, "treating %1u indentation as zero",
+ temp.to_units());
temp = H0;
}
}
@@ -1606,7 +1607,8 @@ void temporary_indent()
if (want_break)
curenv->do_break();
if (temp < H0) {
- warning(WARN_RANGE, "total indent cannot be negative");
+ warning(WARN_RANGE, "treating total indentation %1u as zero",
+ temp.to_units());
temp = H0;
}
if (is_valid) {
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