Follow-up Comment #6, bug #62036 (project groff):
Hi Dave,
What do you think of this?
diff --git a/doc/groff.texi b/doc/groff.texi
index b71fe16dd..3f7029ef5 100644
--- a/doc/groff.texi
+++ b/doc/groff.texi
@@ -14680,12 +14680,22 @@ its place in the stack to the top. Further, when
environments are
popped, they are not lost; in fact, there is no mechanism for deleting
environments.}
+Strictly, @emph{names} of environments are what is stacked. The same
+environment name can be pushed onto the stack multiple times, possibly
+interleaved with others.
+
+Popping the environment stack does not destroy the current environment;
+it remains accessible by name and can be made current again by pushing
+it at any time. Environments cannot be renamed or deleted, and can only
+be modified when current. To inspect the environment stack, use the
+@code{pev} request; see @ref{Debugging}.
+
Environments store the following information.
@itemize @bullet
@item
-font parameters (size, family, style, glyph height and slant, inter-word
-and and inter-sentence space sizes)
+typeface parameters (size, family, style, glyph height and slant,
+inter-word and inter-sentence space sizes)
@item
page parameters (line length, title length, vertical spacing, line
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