code: private List<Glyph> getGlyphsOfPEs(Set<PhysicalEntity> pes, String context) {
  		List<Glyph> gs = new ArrayList<Glyph>();
  
  		for (PhysicalEntity pe : pes)
  			if (glyphMap.containsKey(convertID(pe.getUri())))
  				gs.add(getGlyphToLink(pe, context));
  
  		return gs;
  	}
docs: /*
  Gets the glyphs of the given set of PhysicalEntity objects. Does not create anything.
  
  @param pes entities to get their glyphs
  @return glyphs of entities