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Tesseract is an optical character recognition engine for various operating systems. [5] It is free software, released under the Apache License. [1] [6] [7] Originally developed by Hewlett-Packard as proprietary software in the 1980s, it was released as open source in 2005 and development was sponsored by Google in 2006.
Desktop publishing (DTP) application allows opening and editing of PDF documents; Allows compatible saving as PDF 1.3, 1.4, 1.5 and 1.7 and supports also PDF/X1, PDF/X1a and PDF/X-3. pdf-parser: Public Domain Python script Yes Extraction and analysis tool, handles corrupt and malicious PDF documents. PDFedit: GNU GPL: Yes Yes BSD Yes
I did not include any other text, so let anyone who cites my book understand that he is citing these five original sources. [1] Occupying 20 printed book volumes (in the most frequently cited edition), it is the best known dictionary of the Arabic language, [2] as well as one of the most comprehensive. Ibn Manzur compiled it from other sources ...
The Arabic Extended-B and Arabic Extended-A ranges encode additional Qur'anic annotations and letter variants used for various non-Arabic languages. The Arabic Presentation Forms-A range encodes contextual forms and ligatures of letter variants needed for Persian, Urdu, Sindhi and Central Asian languages.
For example, Morse code for the Arabic letter ţā' (ط) is • • — (dit-dit-dah). That same Morse code sequence represents the letter U in the Latin alphabet. Hence the SATTS equivalent for ţā' is U. In the Morse-code era, when Arabic language Morse signals were copied down by non-Arab code clerks, the text came out in SATTS.
This mechanism allows for automatic language processing to take place leaving non-Arabic text as is, unprocessed when it sees the double quotes. Originally, even < > & were not used either especially < > which are French borrowed quote marks because they are occasionally used in Arabic text. These were added later as a necessity.
Google Ta3reeb—Arabic Keyboard using English Characters; Yamli Editor—For writing in Arabic without an Arabic Keyboard (with automatic conversions and dictionary) Bidirectional text; Arabic support on MS Windows Vista; Urdu rendering support and fonts
Windows-1256 encodes every abstract single letter of the basic Arabic alphabet, not every concrete visual form of isolated, initial, medial, final or ligatured letter shape variants (i.e. it encodes characters, not glyphs). The Arabic letters in the C0-FF range are in Arabic alphabetic order, but some Latin characters are interspersed among them.