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7.6.3 Syntax of the Words

There are two things a2ps needs to know: what is symbol consistent, and whether the style is case insensitive.

alphabet

To define two different alphabets, use

first alphabet is string
second alphabet is string

If both are identical, you may use the shortcut

alphabets are string

The default alphabets are

first alphabet is
  "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_"
second alphabet is
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_\
0123456789"

Note that it is on purpose that no characters interval are used.

case

case insensitive        # e.g., C, C++ etc.
case sensitive          # e.g., Perl, Sather, Java etc.

The default is case insensitive.