>>> "EZ" == Eli Zaretskii <eliz@gnu.org> writes:


> I think it's neither, see below.

>> However, I file to see why it should not open these files and
>> display them.  I am on Ubuntu 16.04 and the official emacs version is
>> 26, that emacs is able to open and display the svg file.

> According to this:

>> Configured features:
>> ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG
>> LCMS2 LIBOTF LIBSELINUX LIBXML2 M17N_FLT MODULES NOTIFY INOTIFY PDUMPER
>> PNG SECCOMP SOUND THREADS TIFF TOOLKIT_SCROLL_BARS X11 XAW3D XDBE XIM
>> XPM LUCID ZLIB

> your build was not linked against the librsvg library (the RSVG
> feature is not in the list), so it simply doesn't support display of
> SVG images.

Hm, the INSTALL file states:


To disable individual types of image support in Emacs for some reason,
even though configure finds the libraries, you can configure with one
or more of these options:

  --without-xpm          for XPM image support
  --without-jpeg         for JPEG image support
  --without-tiff         for TIFF image support
  --without-gif          for GIF image support
  --without-png          for PNG image support
  --without-rsvg         for SVG image support

Since I did not use --without-rsvg, I interpret this instruction that
svg *is* supported. So 

    1. Either the documentation should be changed or

    2. There is a bug somewhere


In any case, which configuration should I use, if I want to recompile emacs?