CLHS: Section 19.2.2.1.2

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## 19.2.2.1.2 Case in Pathname Components

Namestrings always use local file system case conventions, but Common Lisp functions that manipulate pathname components allow the caller to select either of two conventions for representing case in component values by supplying a value for the `:case` keyword argument. The next figure lists the functions relating to pathnames that permit a `:case` argument:

    make-pathname    pathname-directory  pathname-name
    pathname-device  pathname-host       pathname-type

Figure 19-2. Pathname functions using a :CASE argument

## 19.2.2.1.2.1 Local Case in Pathname Components

## 19.2.2.1.2.2 Common Case in Pathname Components

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