/[emacs]/emacs/lispref/minibuf.texi
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revision 1.66 by jet, Thu Oct 27 05:43:37 2005 UTC revision 1.67 by rms, Fri Oct 28 16:44:20 2005 UTC
# Line 960  which is printed as if the strings were Line 960  which is printed as if the strings were
960  the two strings is the actual completion, the second string serves as  the two strings is the actual completion, the second string serves as
961  annotation.  annotation.
962    
963  @var{common-substring} represents a string common prefix between all  The argument @var{common-substring} is the prefix that is common to
964  completions.  @var{common-substring} is used to put faces on  all the completions.  With normal Emacs completion, it is usually the
965  @samp{*Completions*} to enhance visual feedback of the buffer;  same as the string that was completed.  @code{display-completion-list}
966  @code{display-completion-list} use faces to highlight what all completions  uses this to highlight text in the completion list for better visual
967  have in common and where they begin to differ.  @var{common-substring}  feedback.  This is not needed in the minibuffer; for minibuffer
968  specifies the common part.  completion, you can pass @code{nil}.
969    
970  This function is called by @code{minibuffer-completion-help}.  The  This function is called by @code{minibuffer-completion-help}.  The
971  most common way to use it is together with  most common way to use it is together with

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