(lispref.info)Strings and Characters

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Strings and Characters

   A string in Emacs Lisp is an array that contains an ordered sequence
of characters.  Strings are used as names of symbols, buffers, and
files, to send messages to users, to hold text being copied between
buffers, and for many other purposes.  Because strings are so
important, many functions are provided expressly for manipulating them.
Emacs Lisp programs use strings more often than individual characters.

* Intro to Strings
Basic properties of strings and characters.
* Predicates for Strings
Testing whether an object is a string or char.
* Creating Strings
Functions to allocate new strings.
* Text Comparison
Comparing characters or strings.
* String Conversion
Converting characters or strings and vice versa.
* Formatting Strings
`format': Emacs's analog of `printf'.
* Character Case
Case conversion functions.
* Case Table
Customizing case conversion.

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