src/main/java/com/keenwrite/io/StreamMediaType.java

		import java.io.IOException;
		import java.io.InputStream;
		+import java.nio.file.Path;
		import java.util.LinkedHashMap;
		import java.util.Map;


		private StreamMediaType() {
		+ }
		+
		+ public static MediaType getMediaType( final Path path ) throws IOException {
		+ return getMediaType( path.toFile() );
		}

src/main/java/com/keenwrite/processors/XhtmlProcessor.java

		package com.keenwrite.processors;

		+import com.keenwrite.io.StreamMediaType;
		import com.keenwrite.preferences.Workspace;


		import static java.lang.String.format;
		import static java.nio.file.Files.copy;
		+import static java.nio.file.Files.move;
		import static java.nio.file.StandardCopyOption.REPLACE_EXISTING;
		import static java.util.regex.Pattern.UNICODE_CHARACTER_CLASS;


		final var contentType = conn.getContentType();
		- final var mediaType = valueFrom( contentType );
		+ var mediaType = valueFrom( contentType );
		+
		imageFile = mediaType.createTemporaryFile( APP_TITLE_LOWERCASE );

		- try( final var svgIn = conn.getInputStream() ) {
		- copy( svgIn, imageFile, REPLACE_EXISTING );
		+ try( final var image = conn.getInputStream() ) {
		+ copy( image, imageFile, REPLACE_EXISTING );
		}

		conn.disconnect();
		+
		+ if( mediaType.isUndefined() ) {
		+ mediaType = StreamMediaType.getMediaType( imageFile );
		+ final var file = mediaType.createTemporaryFile( APP_TITLE_LOWERCASE );
		+ move( imageFile, file, REPLACE_EXISTING );
		+ imageFile = file;
		+ }

		// Strip comments, superfluous whitespace, DOCTYPE, and XML declarations.

Autodetect unknown file format

Author	DaveJarvis <email>
Date	2021-04-04 02:49:19 GMT-0700
Commit	cd4692f02b8437903e0f3a37b9783766c26115f4
Parent	bbd3e1d
Delta	18 lines added, 3 lines removed, 15-line increase