docs: protected void generateStrings(IStyleAppendable it) {
  		appendComment(it, "Strings constants"); //$NON-NLS-1$
  		appendMatch(it, "sarlSpecialError", "\\\\.", true); //$NON-NLS-1$ //$NON-NLS-2$
  		appendMatch(it, "sarlSpecialCharError", "[^']", true); //$NON-NLS-1$ //$NON-NLS-2$
  		appendMatch(it, "sarlSpecialChar", "\\\\\\([4-9]\\d\\|[0-3]\\d\\d\\|[\"\\\\'ntbrf]\\|u\\x\\{4\\}\\)", true); //$NON-NLS-1$ //$NON-NLS-2$
  		appendRegion(it, true, "sarlString", "\"", "\"", //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
  				"sarlSpecialChar", "sarlSpecialError", "@Spell"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
  		appendRegion(it, true, "sarlString", "'", "'", //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
  				"sarlSpecialChar", "sarlSpecialError", "@Spell"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
  		appendCluster(it, "sarlString"); //$NON-NLS-1$
  		hilight("sarlString", VimSyntaxGroup.CONSTANT); //$NON-NLS-1$
  		it.newLine();
  	}