13.1 How to get Christopher abbreviated as Ch.?
First names abbreviation is done when extracting names from the author field. If the function is asked to abbreviate the first name (or any other part of it), it will return the first character of each “word” in that part. Thus Christopher gets abbreviated into C. Special characters provide a solution against
this problem: If you enter {\relax Ch}ristopher, the abbreviated version would be {\relax Ch}., which gives Ch., while the long version is {\relax Ch}ristopher, i.e. Christopher.
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