Add stanza to match variable assignments #8
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Hello, in writing POSIX-compliant scripts, we are unable to use the 'declare' syntax, thus I have added a stanza to match simple variable assignments. Variables matched in this way are given a type of 'String'. This allows Doxygen to catch and add these to generated documentation. Though it almost certainly results in multiple matches, in my (admittedly limited) testing, the end-result looks fine.
Though this project is 'bash-doxygen' and not 'posix-doxygen', I believe this to be of value to many bash users as well, since it is not really common practice to use the 'declare' keyword from what I have seen.