LivePDFviewer at Mac App Store analyse

This program allows filling the limitations of the Preview.app of MacOs with the following improvements: Allows refreshing the display of a pdf document keeping the exact initial position. - The previous version can be displayed for comparisons. Main changes between updated version and previous one can be highlighted. - The windows focus can be enabled and disabled after a pdf refresh event. - A full night mode with PDF display is available. - A preview display of link. In addition, it adds the other features: Special popup zoom on images by extracting the source image in the pdf code - LiveCam display to make presentation with presenter view. - Spell check - Annotations import and export with export in txt format useful to address reviews and special edition frame. - Bookmark of PDF files available from status bar menu and main document windows. - Link bibliographic references by using regular expression. - Exporting/copy images embedded in the pdf as PNG files. - PDF edition by Import/paste images inside the pdf. - Special raw copy from selection without character style formatting. - Display the table of contents when exits.