Created attachment 111206 [details]
Example of text statistics measured by Readability-Score.com

PROBLEM DESCRIPTION: 

This is a proposal for a new feature providing text statistics in LibreOffice Writer.  Currently, the Word Count tool measures only the number of words and characters.  The new feature would expand the variety of statistics that Writer calculates. 

Specifically, I suggest the community consider developing and incorporating what I will refer to as Wopse and Tekstat. 


WOPSE: 

The name stands for "words-per-sentence" count, a tool measuring the average sentence length in a given text.  Authors could use this tool to write more effectively by keeping their sentences shorter (e.g., at 20 words or less). 

Wopse represents the minimal enhancement to the current Word Count tools.  Ideally, the community would develop Tekstat, which includes Wopse, too. 


TEKSTAT:

Teksat (short for "text statistics") is an expanded tool that would provide the following statistics: 
    -- Character count;
    -- Syllable count;
    -- Word count;
    -- Sentence count;
    -- Paragraph count;
    -- Characters per word;
    -- Syllables per word;
    -- Words per sentence; and
    -- Sentences per paragraph. 


USEFUL REFERENCES: 

Readability-Score.com -- A text statistics service is available at https://readability-score.com/.  The website provides all the measurements that I have listed above as part of the Tekstat tool, except for paragraph count and sentences per paragraph.  Other readability statistics are also available on the website. 

Text Statistics Project -- Readability-Score.com is based on an open-source project called Text Statistics.  The code is available here: https://github.com/DaveChild/Text-Statistics.