Follow-up Comment #16, bug #62040 (project groff): If we translate the reproducer into an _ms_(7) document, no problem arises.
$ cat EXPERIMENTS/54909b-for-ms.ms .NH 1 .DS display .DE $ groff -ms -Thtml EXPERIMENTS/54909b-for-ms.ms && echo good exit status <!-- Creator : groff version 1.22.4 --> <!-- CreationDate: Wed Jan 25 08:23:07 2023 --> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta name="generator" content="groff -Thtml, see www.gnu.org"> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <meta name="Content-Style" content="text/css"> <style type="text/css"> p { margin-top: 0; margin-bottom: 0; vertical-align: top } pre { margin-top: 0; margin-bottom: 0; vertical-align: top } table { margin-top: 0; margin-bottom: 0; vertical-align: top } h1 { text-align: center } </style> <title></title> </head> <body> <a href="#1.">1.</a><br> <hr> <h2>1. <a name="1."></a> </h2> <p style="margin-left:8%; margin-top: 1em">display</p> <hr> </body> </html> good exit status This suggests that _mm_ is doing, perhaps in the environment created for the display, is leading "mtsm" astray. _______________________________________________________ Reply to this item at: <https://savannah.gnu.org/bugs/?62040> _______________________________________________ Message sent via Savannah https://savannah.gnu.org/