gbranden pushed a commit to branch master
in repository groff.
commit 3751207624e0e681da2dd34d1ca41c04128d67de
Author: G. Branden Robinson <[email protected]>
AuthorDate: Tue Dec 3 15:22:26 2024 -0600
[eqn]: Describe command if asked for `--help`.
* src/preproc/eqn/main.cpp (usage): If asked for `--help`, summarize
command purpose in message.
---
ChangeLog | 5 +++++
src/preproc/eqn/main.cpp | 6 ++++++
2 files changed, 11 insertions(+)
diff --git a/ChangeLog b/ChangeLog
index a2dc01004..44ecfd6af 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2024-12-03 G. Branden Robinson <[email protected]>
+
+ * src/preproc/eqn/main.cpp (usage): If asked for `--help`,
+ summarize command purpose in message.
+
2024-12-03 G. Branden Robinson <[email protected]>
* src/preproc/tbl/main.cpp (usage): If asked for `--help`,
diff --git a/src/preproc/eqn/main.cpp b/src/preproc/eqn/main.cpp
index 59067a854..56ab03603 100644
--- a/src/preproc/eqn/main.cpp
+++ b/src/preproc/eqn/main.cpp
@@ -322,6 +322,12 @@ void usage(FILE *stream)
"usage: %s {-v | --version}\n"
"usage: %s --help\n",
program_name, program_name, program_name);
+ if (stdout == stream)
+ fputs("\n"
+"GNU eqn is a filter that translates expressions in its own language,\n"
+"embedded in roff(7) input, into mathematical notation typeset by\n"
+"GNU troff(1). See the eqn(1) manual page.\n",
+ stream);
}
int main(int argc, char **argv)
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