elisp: Actually make the snippets use tab stop fields

Snippets used to look like (func ARG$0 MORE-ARG), which is not very
usable. This changes all generic snippets from that form into something
that actually uses tab stop fields and decriptive field names.

emacs-lisp-mode/add-hook

@@ -3,4 +3,4 @@
 #key: add-hook
 #key: ah
 # --
-(add-hook HOOK$0 FUNCTION)
+(add-hook ${1:hook} ${2:function})

emacs-lisp-mode/aref

@@ -2,4 +2,4 @@
 #name: aref
 #key: aref
 # --
-(aref ARRAY$0 INDEX)
+(aref ${1:array} {2:index})

emacs-lisp-mode/aset

@@ -2,4 +2,4 @@
 #name: aset
 #key: aset
 # --
-(aset ARRAY$0 IDX NEWELT)
+(aset ${1:array} ${2:index} ${3:element})

emacs-lisp-mode/assq

@@ -2,4 +2,4 @@
 #name: assq
 #key: assq
 # --
-(assq KEY$0 LIST)
+(assq ${1:key} ${2:list})

emacs-lisp-mode/buffer-substring

@@ -3,4 +3,4 @@
 #key: buffer-substring
 #key: bs
 # --
-(buffer-substring START$0 END)
+(buffer-substring ${1:start} ${2:end})

emacs-lisp-mode/buffer-substring-no-properties

@@ -3,4 +3,4 @@
 #key: buffer-substring-no-properties
 #key: bsnp
 # --
-(buffer-substring-no-properties START$0 END)
+(buffer-substring-no-properties ${1:start} ${2:end})

emacs-lisp-mode/define-key

@@ -3,4 +3,4 @@
 #key: define-key
 #key: dk
 # --
-(define-key KEYMAPNAME$0 (kbd "M-b") 'FUNCNAME)
+(define-key ${1:mode}-map (kbd "${2:key}") $0)

emacs-lisp-mode/get

@@ -2,4 +2,4 @@
 #name: get
 #key: get
 # --
-(get SYMBOL$0 PROPNAME)
+(get ${1:symbol} {2:propname})

emacs-lisp-mode/global-set-key

@@ -3,4 +3,4 @@
 #key: global-set-key
 #key: gsk
 # --
-(global-set-key (kbd "C-$0") 'COMMAND)
+(global-set-key (kbd "${1:key}") $0)

emacs-lisp-mode/mapc

@@ -2,4 +2,4 @@
 #name: mapc
 #key: mapc
 # --
-(mapc '$0 SEQUENCE)
+(mapc ${1:function} $0)

emacs-lisp-mode/match-beginning

@@ -3,4 +3,4 @@
 #key: match-beginning
 #key: mb
 # --
-(match-beginning N$0)
+(match-beginning $0)

emacs-lisp-mode/match-end

@@ -3,4 +3,4 @@
 #key: match-end
 #key: me
 # --
-(match-end N$0)
+(match-end $0)

emacs-lisp-mode/memq

@@ -2,4 +2,4 @@
 #name: memq
 #key: memq
 # --
-(memq ELT$0 LIST)
+(memq ${1:element} ${2:list})

emacs-lisp-mode/minor_mode

@@ -2,7 +2,7 @@
 # name: minor_mode
 # key: minor
 # --
-(defvar ${1:mode}-modeline-indicator " ${2:INDICATOR}"
+(defvar ${1:mode}-modeline-indicator " ${2:indicator}"
   "call ($1-install-mode) again if this is changed")
 
 (defvar $1-mode nil)

emacs-lisp-mode/nth

@@ -2,4 +2,4 @@
 #name: nth
 #key: nth
 # --
-(nth N$0 LIST)
+(nth ${1:index} ${2:list})

emacs-lisp-mode/put

@@ -2,4 +2,4 @@
 #name: put
 #key: put
 # --
-(put $0 PROPNAME VALUE)
+(put ${1:symbol} ${2:propname} ${3:value})

emacs-lisp-mode/set-file-modes

@@ -3,4 +3,4 @@
 #key: set-file-modes
 #key: sfm
 # --
-(set-file-modes $0 MODE)
+(set-file-modes ${1:filename} $0)

emacs-lisp-mode/yes-or-no-p

@@ -2,4 +2,4 @@
 #name: yes-or-no-p
 #key: yes-or-no-p
 # --
-(yes-or-no-p "PROMPT$0 ")
+(yes-or-no-p "${1:prompt} ")