Example of my `autoAPIMappings` problems

build.sbt

scalaVersion := "2.10.2"

//scalacOptions := Seq("-deprecation", "-feature", "-Xlint")

//For Scaladoc, requires SBT 0.13. However, automatic mapping does not work for the standard library - for me at least.
autoAPIMappings := true

ivy-2.10.2-old.xml

<?xml version="1.0" encoding="UTF-8"?>
<ivy-module version="2.0" xmlns:m="http://ant.apache.org/ivy/maven">
	<info organisation="org.scala-lang"
		module="scala-library"
		revision="2.10.2"
		status="release"
		publication="20130606200543"
	>
		<license name="BSD-like" url="http://www.scala-lang.org/downloads/license.html
         " />
		<description homepage="http://www.scala-lang.org/">
		Standard library for the Scala Programming Language
		</description>
		<m:properties__info.apiURL>http://www.scala-lang.org/api/2.10.2/</m:properties__info.apiURL>
	</info>
	<configurations>
		<conf name="default" visibility="public" description="runtime dependencies and master artifact can be used with this conf" extends="runtime,master"/>
		<conf name="master" visibility="public" description="contains only the artifact published by this module itself, with no transitive dependencies"/>
		<conf name="compile" visibility="public" description="this is the default scope, used if none is specified. Compile dependencies are available in all classpaths."/>
		<conf name="provided" visibility="public" description="this is much like compile, but indicates you expect the JDK or a container to provide it. It is only available on the compilation classpath, and is not transitive."/>
		<conf name="runtime" visibility="public" description="this scope indicates that the dependency is not required for compilation, but is for execution. It is in the runtime and test classpaths, but not the compile classpath." extends="compile"/>
		<conf name="test" visibility="private" description="this scope indicates that the dependency is not required for normal use of the application, and is only available for the test compilation and execution phases." extends="runtime"/>
		<conf name="system" visibility="public" description="this scope is similar to provided except that you have to provide the JAR which contains it explicitly. The artifact is always available and is not looked up in a repository."/>
		<conf name="sources" visibility="public" description="this configuration contains the source artifact of this module, if any."/>
		<conf name="javadoc" visibility="public" description="this configuration contains the javadoc artifact of this module, if any."/>
		<conf name="optional" visibility="public" description="contains all optional dependencies"/>
	</configurations>
	<publications>
		<artifact name="scala-library" type="jar" ext="jar" conf="master"/>
	</publications>
</ivy-module>

ivy-2.10.2.xml

<?xml version="1.0" encoding="UTF-8"?>
<ivy-module version="2.0" xmlns:m="http://ant.apache.org/ivy/maven" xmlns:e="http://ant.apache.org/ivy/extra">
	<info organisation="org.scala-lang"
		module="scala-library"
		revision="2.10.2"
		status="release"
		publication="20130606200543"
		e:info.apiURL="http://www.scala-lang.org/api/2.10.2/"
	>
		<license name="BSD-like" url="http://www.scala-lang.org/downloads/license.html
         " />
		<description homepage="http://www.scala-lang.org/">
		Standard library for the Scala Programming Language
		</description>
		<m:properties__info.apiURL>http://www.scala-lang.org/api/2.10.2/</m:properties__info.apiURL>
	</info>
	<configurations>
		<conf name="default" visibility="public" description="runtime dependencies and master artifact can be used with this conf" extends="runtime,master"/>
		<conf name="master" visibility="public" description="contains only the artifact published by this module itself, with no transitive dependencies"/>
		<conf name="compile" visibility="public" description="this is the default scope, used if none is specified. Compile dependencies are available in all classpaths."/>
		<conf name="provided" visibility="public" description="this is much like compile, but indicates you expect the JDK or a container to provide it. It is only available on the compilation classpath, and is not transitive."/>
		<conf name="runtime" visibility="public" description="this scope indicates that the dependency is not required for compilation, but is for execution. It is in the runtime and test classpaths, but not the compile classpath." extends="compile"/>
		<conf name="test" visibility="private" description="this scope indicates that the dependency is not required for normal use of the application, and is only available for the test compilation and execution phases." extends="runtime"/>
		<conf name="system" visibility="public" description="this scope is similar to provided except that you have to provide the JAR which contains it explicitly. The artifact is always available and is not looked up in a repository."/>
		<conf name="sources" visibility="public" description="this configuration contains the source artifact of this module, if any."/>
		<conf name="javadoc" visibility="public" description="this configuration contains the javadoc artifact of this module, if any."/>
		<conf name="optional" visibility="public" description="contains all optional dependencies"/>
	</configurations>
	<publications>
		<artifact name="scala-library" type="jar" ext="jar" conf="master"/>
	</publications>
</ivy-module>

ivycache.diff

--- ivy-2.10.2-old.xml	2013-06-06 20:05:43.000000000 +0200
+++ ivy-2.10.2.xml	2013-09-12 00:29:11.000000000 +0200
@@ -1,10 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<ivy-module version="2.0" xmlns:m="http://ant.apache.org/ivy/maven">
+<ivy-module version="2.0" xmlns:m="http://ant.apache.org/ivy/maven" xmlns:e="http://ant.apache.org/ivy/extra">
 	<info organisation="org.scala-lang"
 		module="scala-library"
 		revision="2.10.2"
 		status="release"
 		publication="20130606200543"
+		e:info.apiURL="http://www.scala-lang.org/api/2.10.2/"
 	>
 		<license name="BSD-like" url="http://www.scala-lang.org/downloads/license.html
          " />