image provider



This essay does not describe an existing computer program, just one that should exist. This essay is about a suggested student project in Java programming. This essay gives a rough overview of how it might work. I have no source, object, specifications, file layouts or anything else useful to implementing this project. Everything I have prepared to help you is right here.

This project outline is not like the artificial, tidy little problems you are spoon-fed in school, when all the facts you need are included, nothing extraneous is mentioned, the answer is fully specified, along with hints to nudge you toward a single expected canonical solution. This project is much more like the real world of messy problems where it is up to you to fully the define the end point, or a series of ever more difficult versions of this project and research the information yourself to solve them.

Everything I have to say to help you with this project is written below. I am not prepared to help you implement it; or give you any additional materials. I have too many other projects of my own.

Though I am a programmer by profession, I don’t do people’s homework for them. That just robs them of an education.

You have my full permission to implement this project in any way you please and to keep all the profits from your endeavour.

Please do not email me about this project without reading the disclaimer above.


This program sorts the parameters on HTML (Hypertext Markup Language) tags into canonical order so that all markup is done in a uniform way. Other than obsessive compulsion disorder, why bother? When tags are in standard order it is a lot easier to use bulk search replace regexes to find and correct markup.

For example <img tags might be sorted in this order: src, alt, width, height, style, crossorigin, ismap.

Alternatively, you might order them alphabetically: alt, crossorigin, height, ismap, src, style, width.

It is unlikely any two people would agree on the ideal ordering. So you need a configuration file to define which tags you want processed and the desired order. Any parameters you find not in the configuration file should go at the end in alphabetical order. You could use a csv file, with the tag as the first field and the parameters in order as the subsequent fields all one one line. Any tags not in the configuration file should be left as is.

You should also tidy tags and parms to lower case and put all parms in quotes.

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