Method _subparticlesToString

external/.scrollLibs.js:16037–16039

(indentCount, language = this)

    return this.map(particle => particle._toHtml(indentCount)).join(joinBy)
  }
  _subparticlesToString(indentCount, language = this) {
    return this.map(particle => particle.toString(indentCount, language)).join(language.particleBreakSymbol)
  }
  subparticlesToString(indentCount = 0) {
    return this._subparticlesToString(indentCount)
  }