(prefer-coding-system 'utf-8-unix)
C-x C-m f utf-8-unix RET
: 将当前文件转换为 utf-8 编码
C-x C-m c RET C-x C-w RET
: 将当前文件另存为指定编码
M-: image-library-alist RET
: 查看 emacs 支持需要的库文件
((xpm "libxpm.dll" "xpm4.dll" "libXpm-nox4.dll")
(png "libpng16.dll" "libpng16-16.dll")
(tiff "libtiff-5.dll" "libtiff3.dll" "libtiff.dll")
(jpeg "libjpeg-9.dll")
(gif "libgif-7.dll")
(svg "librsvg-2-2.dll")
(gdk-pixbuf "libgdk_pixbuf-2.0-0.dll")
(glib "libglib-2.0-0.dll")
(gobject "libgobject-2.0-0.dll")
(gnutls "libgnutls-28.dll" "libgnutls-26.dll")
(libxml2 "libxml2-2.dll" "libxml2.dll")
(zlib "zlib1.dll" "libz-1.dll"))