Allow uploading files from eww
2014-11-10 Kenjiro NAKAYAMA <nakayamakenjiro@gmail.com>
* net/eww.el(eww-form-file(
defface)): New
defface of file upload form.
(eww-submit-file): New key map of file upload.
(eww-form-file): New file upload button and file name context.
(eww-select-file): Select file and display selected file name.
(eww-tag-input): Handle input tag of file type.
(eww-update-field): Add point offset.
(eww-submit): Add submit with multipart/form-data.
* gnus/mm-url.el (mm-url-encode-multipart-form-data):
Restore to handle "multipart/form-data" by eww.