Editing case conversion

The [[awk]] extraction and reporting language provides the toupper and tolower functions for converting strings to uppercase or to lowercase: == tolower == === Usage === tolower(STRING) === Description === The tolower function returns a lowercase version of the STRING argument. This function converts all letters to lowercase in the returned string. Only the returned string is converted, the provided argument remains unchanged: {{{ awk BEGIN { mystring = "I Like Apples" print (tolower(mystring)) print mystring } }}} == toupper == === Usage === toupper(STRING) === Description === The toupper function returns a lowercase version of the STRING argument. This function converts all letters to uppercase in the returned string. Only the returned string is converted, the provided argument remains unchanged: {{{ awk BEGIN { mystring = "I Like AppLes" print (toupper(mystring)) print mystring } }}} == These functions are affected by the locale settings == These function are affected by the following locale environment variable settings. * LC_ALL * LC_CTYPE

Summary:

This change is a minor edit.

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