FULL PRODUCT VERSION :
java version "1.8.0_144"
Java(TM) SE Runtime Environment (build 1.8.0_144-b01)
Java HotSpot(TM) 64-Bit Server VM (build 25.144-b01, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows [Version 6.3.9600]

A DESCRIPTION OF THE PROBLEM :
In this javadoc comment to FXMLLoader.ESCAPE_PREFIX:
    /**
     * Escape prefix for escaping special characters inside attribute values.
     * Serves as an escape for {@link #ESCAPE_PREFIX}, {@link #RELATIVE_PATH_PREFIX},
     * {@link #RESOURCE_KEY_PREFIX, {@link #EXPRESSION_PREFIX}, {@link #BI_DIRECTIONAL_BINDING_PREFIX}
     * @since JavaFX 2.1
     */
    public static final String ESCAPE_PREFIX = "\\";

the curly brace is not closed in javadoc tag {@link #RESOURCE_KEY_PREFIX

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
view FXMLLoader.java from javafx-src.zip

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
javadoc tag should be well-formed
ACTUAL -
javadoc tag is ill-formed

REPRODUCIBILITY :
This bug can be reproduced always.