Macro names that begin with uppercase letters
are for your use. Names that begin with lowercase letters are
's use. Twenty-seven special characters
are also reserved by
for use as operators. What
happens if you try to define a macro whose name is another character,
such as a tab or an underscore?
What happens if you try to define a macro whose name is an operator?
command-line switch, determine what
happens if you define two macros, each with the same name.
command may be continued and extended by
beginning the next line with a tab or a space.
command-line switch, determine the
effect of continuing a macro definition. For example,
The text value of a macro must immediately follow the
name of that macro, with no intervening space. Can the
text value contain arbitrary spaces or tabs?
(1), find all the
commands in your
If you find any that begin with a lowercase letter and that
you haven't seen before, try looking them up in