twaddle

Abbreviations

The abbreviate or abbr function creates an abbreviation from the words of the following block. Below is a simple example input and the corresponding output.

>[abbr]{Hello, internet}!
HI!

Abbreviation algorithm

The abbreviation is created by splitting the block at whitespace, and taking the first alphabetic character or string of one-or-more numeric digits from each component. Any components which do not include an alphabetic character or string of digits do not contribute to the abbreviation.

Some illustrative examples:

>[abbr]{Every 24 Hours}
E24H
>[abbr]{$ABC ???4}
A4
>[abbr]{$ABC ??? Hi}
AH
>[abbr]{Hello\nInternet}
HI

Arguments

The function does not require any arguments. One optional argument is permitted:

[abbr:<case>]

The case argument, if provided, must have one of the following values:

upper: puts the entire abbreviation into upper case
```
  >[abbr]{hello everyone, I'm Twaddle}
  HEIT
```
lower: puts the entire abbreviation into lower case
```
  >[abbr]{hello everyone, I'm Twaddle}
  heit
```
retain: each character retains its capitalisation from the unabbreviated text
```
  >[abbr]{hello everyone, I'm Twaddle}
  heIT
```

first: only the first character is capitalised

  >[abbr]{hello everyone, I'm Twaddle}
  Heit

If no argument is provided ([abbr]), the default value is upper.

Providing any other value, including the empty string, results in a TwaddleFunctionException being raised.

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