special set of abbrev definitions for making several global replacements at
once. This command is effective even if Abbrev mode is not enabled.
- The function @code{expand-abbrev} peforms the expansion by calling
+ The function @code{expand-abbrev} performs the expansion by calling
the function that @code{abbrev-expand-function} specifies. By
changing this function you can make arbitrary changes to
the abbrev expansion. @xref{Abbrev Expansion,,, elisp, The Emacs Lisp