Blind, Braille and Embossing Technologies

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Previous character type- Cl

- Instruction: Cl%

- Parameter: % is the symbol of type

- Return: true if the previous character belongs to the specified type.

- Description:

Returns true if the preceding character belongs to the specified type. The symbols that identify the character type are similar to the wildcards used in find and replace. The types that can be used are:

Cl* - Any character except space

Clw - Any letter or number

Cl? - Any letter

Cl# - Any number

Cl% - Any consonant

Cl& - Any vowel

Cl@ - Any accented vowel

Cl< - Any lowercase letter

Cl> - Any capital letter

Cl_ - Any punctuation

Cl' - Any apostrophe

Cl- - Any hyphen

Cl! - Any character other than letters, numbers and punctuation

Cls - Any space

Cln - Any null character (for example at the end or beginning of a line)

In case more than one "Cl" instruction is used within the same condition, it is advisable to use only one "Ch" instruction.

- Examples:

Text string: a

Braille string: 456

Condition: Cl%

Description: The letter "a" is transcribed with the cell "456" if it is preceded by a consonant.

String: biblos

Braille string: 12 234

Condition: Cl_|Cls

Description: The word "biblos" is transcribed with cells "12 234" if it is preceded by a punctuation mark or a space. The condition can be replaced by the statement: Ch"\_\s" only