longer the case---documentation strings now take up very little space in
a running Emacs.
+@item
+Format the documentation string so that it fits in an Emacs window on an
+80-column screen. It is a good idea for most lines to be no wider than
+60 characters. The first line should not be wider than 67 characters
+or it will look bad in the output of @code{apropos}.
+
+You can fill the text if that looks good. However, rather than blindly
+filling the entire documentation string, you can often make it much more
+readable by choosing certain line breaks with care. Use blank lines
+between topics if the documentation string is long.
+
@item
The first line of the documentation string should consist of one or two
complete sentences that stand on their own as a summary. @kbd{M-x
cons of A and B.'' in preference to ``Returns the cons of A and B@.''
Usually it looks good to do likewise for the rest of the first
paragraph. Subsequent paragraphs usually look better if each sentence
-has a proper subject.
+is indicative and has a proper subject.
@item
Write documentation strings in the active voice, not the passive, and in
@item
Do not start or end a documentation string with whitespace.
-
-@item
-Format the documentation string so that it fits in an Emacs window on an
-80-column screen. It is a good idea for most lines to be no wider than
-60 characters. The first line should not be wider than 67 characters
-or it will look bad in the output of @code{apropos}.
-
-You can fill the text if that looks good. However, rather than blindly
-filling the entire documentation string, you can often make it much more
-readable by choosing certain line breaks with care. Use blank lines
-between topics if the documentation string is long.
@item
@strong{Do not} indent subsequent lines of a documentation string so