Variable: hippie-expand-dabbrev-as-symbol
hippie-expand-dabbrev-as-symbol is a customizable variable defined in
hippie-exp.el.gz.
Value
t
Documentation
Non-nil means expand as symbols, i.e. syntax _ is considered a letter.
Probably introduced at or before Emacs version 20.3.
Source Code
;; Defined in /usr/src/emacs/lisp/hippie-exp.el.gz
(defcustom hippie-expand-dabbrev-as-symbol t
"Non-nil means expand as symbols, i.e. syntax `_' is considered a letter."
:type 'boolean)