00.01-text_attributes 

00.01-text_attributes.png

Example 2. File 00.01-text_attributes

#! /bin/bash

export MAIN_DIALOG='
 <vbox>
  <text use-markup="true">
    <label>"<b>use-markup</b>, which is cool."</label>
  </text>
  <text wrap="true" width-chars="10">
    <label>wrap: wrap lines if the text becomes too wide, which is also cool!</label>
  </text>
  <text selectable="true">
    <label>selectable text, also cool</label>
  </text>
  <hbox>
   <button ok></button>
   <button cancel></button>
  </hbox>
 </vbox>
'

gtkdialog --program=MAIN_DIALOG