Grammatically Correct: The writer's essential guide to punctuation ...

STYLE
all. If you are expected to use a particular guide, follow its specifications;
if you are making your own rules, be sure you treat all titles
consistently.
HEADINGS
If your writing contains various levels of headings, you need to
clearly distinguish among them. Strategies to achieve this include
centering higher-level headings and placing lower-level ones flush
left; using different type sizes; using different fonts (the shape of
the letters); using all caps, small caps or initial caps; and using some
combination of regular, boldface and italic type. Typically, boldface
type would be used for higher-level headings and italics for lowerlevel
ones; however, there are no specific rules governing this.
STAGE DIRECTIONS
In scripts, both the names of the speakers and any directions to the
actors must be easily differentiable from the rest of the text. The
usual convention is to set them in italics, and to enclose the directions
in parentheses or brackets.
Algernon .
. . . [T]his isn't your cigarette case. This cigarette case is a present
from someone of the name of Cecily, and you said you didn't know
anyone of that name.
jack.
Well, if you want to know, Cecily happens to be my aunt.
Algernon.
Your aunt!
jack.
Yes. Charming old lady she is, too. Lives at Tunbridge Wells. just
give it back to me, Algy.
Algernon.
(Retreating to back of sofa.) But why does she call herself little Cecily
if she is your aunt and lives at Tunbridge Wells? (Reading.) 'From little
Cecily with her fondest love.'
jack.
(Moving to sofa and kneeling upon it.) My dear fellow, what on earth
is there in that? Some aunts are tall, some aunts are not tall. That is
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