added or improved many snippets for emacs lisp mode.

snippets/emacs-lisp-mode/backward-char.yasnippet

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+#contributor: Xah Lee (XahLee.org)
+#name: backward-char
+# --
+(backward-char $0)

snippets/emacs-lisp-mode/bol.yasnippet

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+#contributor: Xah Lee (XahLee.org)
+#name: beginning-of-line
+# --
+(beginning-of-line)

snippets/emacs-lisp-mode/bs.yasnippet

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+#contributor: Xah Lee (XahLee.org)
+#name: bs
+# --
+(bs START$0 END)

snippets/emacs-lisp-mode/bsnp.yasnippet

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+#contributor: Xah Lee (XahLee.org)
+#name: buffer-substring-no-properties
+# --
+(buffer-substring-no-properties START$0 END)

snippets/emacs-lisp-mode/buffer-substring-no-properties.yasnippet

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+#contributor: Xah Lee (XahLee.org)
+#name: buffer-substring-no-properties
+# --
+(buffer-substring-no-properties START$0 END)

snippets/emacs-lisp-mode/end-of-line.yasnippet

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+#contributor: Xah Lee (XahLee.org)
+#name: end-of-line
+# --
+(end-of-line)

snippets/emacs-lisp-mode/eol.yasnippet

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+#contributor: Xah Lee (XahLee.org)
+#name: end-of-line
+# --
+(end-of-line)

snippets/emacs-lisp-mode/forward-char.yasnippet

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+#contributor: Xah Lee (XahLee.org)
+#name: forward-char
+# --
+(forward-char $0)

snippets/emacs-lisp-mode/p.yasnippet

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+#contributor: Xah Lee (XahLee.org)
+#name: point
+# --
+(point)

snippets/emacs-lisp-mode/rris.yasnippet

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+#contributor: Xah Lee (XahLee.org)
+#name: rris
+# --
+(replace-regexp-in-string "REGEXP"$0 "REP" "STRING" &optional FIXEDCASE LITERAL SUBEXP START)

snippets/emacs-lisp-mode/set-mark.yasnippet

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+#contributor: Xah Lee (XahLee.org)
+#name: set-mark
+# --
+(set-mark $0)