Multiline comment in JDL becomes a single-line comment in the generated file

[jayveeAtWork]

Overview of the issue

A multi-line javadoc comment on an entity in the JDL gets concatenated into a single-line javadoc comment in the generated java code. The break between lines has been translated to a literal \n in the generated code.

/**
 * The Calendar represents an expectation of a process execution for a specific version of the
 * business reality, i.e. the business reality valid at the underlying BusinessDate.
 */
entity Calendar{
    id UUID,
    name String required
}

becomes...

/**
 * The Calendar represents an expectation of a process execution for a specific version of the\nbusiness reality, i.e. the business reality valid at the underlying BusinessDate.
 */

Motivation

Concatenating to a single line breaks long-line rules in lint, is less readable, and the added literal \n seems just plain wrong.

Reproduce the error

Create a multiline javadoc comment on an entity, then generate it.

Related issues

Seems like this (old, closed) issue might be related.

JHipster Version(s)

generator-jhipster@7.9.3

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