Info Catalog elisp: Character Sets elisp: Non-ASCII Characters elisp: Translation of Characters

elisp: Scanning Charsets

 
 32.8 Scanning for Character Sets
 ================================
 
 Sometimes it is useful to find out which character set a particular
 character belongs to.  One use for this is in determining which coding
 systems (Coding Systems) are capable of representing all of the
 text in question; another is to determine the font(s) for displaying
 that text.
 
  -- Function: charset-after &optional pos
      This function returns the charset of highest priority containing
      the character at position POS in the current buffer.  If POS is
      omitted or ‘nil’, it defaults to the current value of point.  If
      POS is out of range, the value is ‘nil’.
 
  -- Function: find-charset-region beg end &optional translation
      This function returns a list of the character sets of highest
      priority that contain characters in the current buffer between
      positions BEG and END.
 
      The optional argument TRANSLATION specifies a translation table to
      use for scanning the text (Translation of Characters).  If
      it is non-‘nil’, then each character in the region is translated
      through this table, and the value returned describes the translated
      characters instead of the characters actually in the buffer.
 
  -- Function: find-charset-string string &optional translation
      This function returns a list of character sets of highest priority
      that contain characters in STRING.  It is just like
      ‘find-charset-region’, except that it applies to the contents of
      STRING instead of part of the current buffer.
 

Info Catalog elisp: Character Sets elisp: Non-ASCII Characters elisp: Translation of Characters