MIT license not detected in Maven POM

[pombredanne]

Description

In this pom.xml:

<?xml version="1.0" encoding="UTF-8"?>
<project>
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.foo</groupId>
    <artifactId>bar</artifactId>
    <version>1.7.1</version>
    <licenses>
        <license>
            <name>Apache-2.0</name>
        </license>
        <license>
            <name>MIT</name>
        </license>
    </licenses>
</project>

The extracted license is:

extracted_license_statement: |
    - name: Apache-2.0
    - name: MIT

And the detections are:

declared_license_expression: apache-2.0
declared_license_expression_spdx: Apache-2.0
license_detections:
    -   license_expression: apache-2.0
        license_expression_spdx: Apache-2.0
        matches:
            -   license_expression: apache-2.0
                license_expression_spdx: Apache-2.0
                from_file: pom.xml
                start_line: 1
                end_line: 1
                matcher: 2-aho
                score: '100.0'
                matched_length: 3
                match_coverage: '100.0'
                rule_relevance: 100
                rule_identifier: spdx_license_id_apache-2.0_for_apache-2.0.RULE
                rule_url: https://github.com/nexB/scancode-toolkit/tree/develop/src/licensedcode/data/rules/spdx_license_id_apache-2.0_for_apache-2.0.RULE
                matched_text: '- name: Apache-2.0'

... missing entirely the MIT license

How To Reproduce

Save a file as pom.xml with content above, then run scancode --yaml - --package pom.xml