* Adds the breadcrumbs at the top and the bottom of the page.
* Adds the text icon H͜͡m.
* Opens the external addresses in a new window/tab.
* Changes details in the 404 page.
* Manages UTF-8, UTF-16 and UTF-32 entry format.
* FIX: adds alt text of preformated texts.
* Enables to move and rename /htmgem.
* Allows to always run without the URL rewriting.
* Many code refactorings.
* Enables browsing without URL Rewriting
* Unit testing
* Adds the BNF definition
* Rewriting of the French documentation
* Translation to English
* Adds debug.css
* Adds index.htm in case of Php not activated
gemTextParser
* Removes the last empty lines of text files.
* Removes the last spaces (rtrim) even on preformated texts.
* Lines like "# " are possible, meaning an empty title.
* The line "=>" means an empty link.
GemtextTranslate_gemtext
* FIX: writes the alt text of preformated blocks
* Adds a space when quotation lines have value, otherwise lets ">".
* Adds a space when the link has values, otherwise not.
* A bit of reformating
* Removes "^" to disable text decoration line-wise.
* CSS is no longer incorporated in the HTML page.
* Perform sanity checks against unauthorized file access.
* Properly close tags when the page exists in a non-null mode.
* Split HTML generation in two: parsing and translating.
* Create classes to handle gemtext parsing and translating.
* Create class to generate back gemtext (for future test cases).
* Fix: 404 doesn't occur for an empty file.
* Page 404 fully generated by HtmGem itself.
* Removes "^" to disable text decoration line-wise.
* Split HTML generation in two: parsing and translating.
* Create class to handle gemtext parsing.
* Create class to translate to HTML.
* Create class to generate back gemtext (for future test cases).
* Uses generators to parse then translate.
* Fix: 404 doesn't occur for an empty file.
* Page 404 fully generated by HtmGem itself.
* CSS is no longer incorporated in the HTML page.
* Handle CSS inclusion by addCss() calls.
