add extension for pt.el
Merge pull request #20 from bling/master

add extension for pt.el
add simple check
suppress compile warning
fix
fold line
Merge pull request #21 from thierryvolpiatto/master

* wgrep-helm.el: Add hook for helm-moccur-mode.
version up
add remove-hook to cleanup #21
remove redundant autoload keyword
support Emacs 25 grep.el
But change regexp for the backward compatibility.