Module:Naval Vessel Register URL/data extraction tool/doc

This tool reads a local copy of an NVR web page to extract information required by Module:Naval Vessel Register URL.

To use this tool:
 * 1) open a blank sandbox page for editing – can be any page, there will be no need to save it unless you want to
 * 2) copy and paste this line into the sandbox:
 * 3) in another browser window, open the NVR hull classification page for ships or service craft
 * 4) choose a hull classification symbol
 * 5) right-click and choose 'View page source'
 * 6) highlight and copy the entire html source to the clipboard and then paste the source into the sandbox below the line added at step 2
 * 7) click Show preview to run the tool
 * 1) click Show preview to run the tool