A bit more precision and nicer wording in the descriptions

of -Ofragment and -Tman; using input from jmc@ and kristaps@.

1 files changed, 20 insertions, 7 deletions

diff --git a/mandoc.1 b/mandoc.1
index 9341660d..a7354e6d 100644
--- a/mandoc.1
+++ b/mandoc.1
@@ -260,10 +260,19 @@ The following
 arguments are accepted:
 .Bl -tag -width Ds
 .It Cm fragment
-Do not emit doctype, html, and body elements.
+Omit the
+.Aq !DOCTYPE
+declaration and the
+.Aq html ,
+.Aq head ,
+and
+.Aq body
+elements and only emit the subtree below the
+.Aq body
+element.
 The
 .Cm style
-argument shall be unused.
+argument will be ignored.
 This is useful when embedding manual content within existing documents.
 .It Cm includes Ns = Ns Ar fmt
 The string
@@ -323,14 +332,18 @@ formatters.
 If
 .Xr mdoc 7
 is passed as input, it is translated into
-.Xr man 7 ;
-if the input format is
+.Xr man 7 .
+If the input format is
 .Xr man 7 ,
-it is parsed and re-outputted.
-In either case, the
+the input is copied to the output, expanding any
 .Xr roff 7
 .Sq so
-macros are processed prior to producing output.
+requests.
+The parser is also run, and as usual, the
+.Fl W
+level controls which
+.Sx DIAGNOSTICS
+are displayed before copying the input to the output.
 .Ss PDF Output
 PDF-1.1 output may be generated by
 .Fl T Ns Cm pdf .