General problems: Spaces before and after punctuation marks ( . , ; ! ? ) see [http://libcoll.mpiwg-berlin.mpg.de/libcoll_zogilib?fn=/permanent/library/GZ4WCF31/pageimg&pn=139&ws=1&wx=0.4085&wy=0.7086&ww=0.3259&wh=0.0648&mk=0.7191/0.723,0.559/0.7423,0.5907/0.7645 here] and [http://echo.mpiwg-berlin.mpg.de/ECHOdocuView/ECHOzogiLib?pn=71&ws=1&wx=0.0639&wy=0.4972&ww=0.7626&wh=0.0857&mode=imagepath&url=/mpiwg/online/permanent/library/163127KK/pageimg here]


 * [http://echo.mpiwg-berlin.mpg.de/ECHOdocuView/ECHOzogiLib?pn=174&ws=1&wy=0.1739&ww=0.3724&wh=0.2558&mk=0.0761/0.2852&mode=imagepath&url=%2Fmpiwg%2Fonline%2Fpermanent%2Flibrary%2F163127KK%2Fpageimg handwritten annotations (cannot be typed in China)]
 * [http://echo.mpiwg-berlin.mpg.de/ECHOdocuView/ECHOzogiLib?pn=410&ws=1&wx=0.0927&wy=0.3547&ww=0.3408&wh=0.0858&mk=0.1936/0.4004&mode=imagepath&url=%2Fmpiwg%2Fonline%2Fpermanent%2Flibrary%2F163127KK%2Fpageimg spaces within words ("e cclipses")]
 * [http://echo.mpiwg-berlin.mpg.de/ECHOdocuView/ECHOzogiLib?pn=71&ws=1&wx=0.4039&wy=0.7788&ww=0.4729&wh=0.1485&rot=0&mk=0.6904/0.8541&mode=imagepath&url=/mpiwg/online/permanent/library/163127KK/pageimg catchwords and signatures] and [http://echo.mpiwg-berlin.mpg.de/ECHOdocuView/ECHOzogiLib?pn=231&ws=1&wx=0.0666&wy=0.7953&ww=0.9111&wh=0.2013&mk=0.6697/0.9087&mode=imagepath&url=%2Fmpiwg%2Fonline%2Fpermanent%2Flibrary%2F163127KK%2Fpageimg another one]
 * the use of U and V: [http://echo.mpiwg-berlin.mpg.de/ECHOdocuView/ECHOzogiLib?pn=16&ws=1&wx=0.2689&wy=0.1402&ww=0.1833&wh=0.0429&mk=0.3358/0.1679&mode=imagepath&url=/mpiwg/online/permanent/library/163127KK/pageimg writing v for u] [http://echo.mpiwg-berlin.mpg.de/ECHOdocuView/ECHOzogiLib?pn=16&ws=1&wx=0.188&wy=0.778&ww=0.3052&wh=0.0528&mk=0.2508/0.8071&mode=imagepath&url=/mpiwg/online/permanent/library/163127KK/pageimg writing u for v]
 * [http://echo.mpiwg-berlin.mpg.de/ECHOdocuView/ECHOzogiLib?pn=425&ws=1&wx=0.3649&wy=0.3825&ww=0.0259&wh=0.0262&mk=0.3779/0.4006&mode=imagepath&url=/mpiwg/online/permanent/library/163127KK/pageimg ligature ß for ∫s]
 * [http://echo.mpiwg-berlin.mpg.de/ECHOdocuView/ECHOzogiLib?pn=410&ws=1&wx=0.1177&wy=0.3976&ww=0.7944&wh=0.0693&mk=0.8926/0.419&mode=imagepath&url=%2Fmpiwg%2Fonline%2Fpermanent%2Flibrary%2F163127KK%2Fpageimg missing hyphens]
 * [http://echo.mpiwg-berlin.mpg.de/ECHOdocuView/ECHOzogiLib?pn=410&ws=1&wx=0.0977&wy=0.3646&ww=0.822&wh=0.1353&mk=0.1238/0.3933&mode=imagepath&url=%2Fmpiwg%2Fonline%2Fpermanent%2Flibrary%2F163127KK%2Fpageimg long citations]


 * Latin (and Greek) ligatures, for example [http://echo.mpiwg-berlin.mpg.de/ECHOdocuView/ECHOzogiLib?pn=13&ws=1&wx=0.4978&wy=0.3629&ww=0.0711&wh=0.0428&mk=0.5286/0.3915&mode=imagepath&url=/mpiwg/online/permanent/library/163127KK/pageimg ct (simple ligature)] and [http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/archimedes_repository/large/eucli_eleme_515_la_1558/515-01-pageimg&pn=50&ws=1&wx=0.63&wy=0.4653&ww=0.1434&wh=0.0289&mk=0.7082/0.4908 que (complex ligature)] (see also [wiki:LatinLigatures here] for a longer list)
 * [http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/archimedes_repository/large/eucli_eleme_515_la_1558/515-01-pageimg&pn=2&ws=1&wx=0.6316&wy=0.091&ww=0.212&wh=0.4002&mk=0.7408/0.4143 paper creases]
 * [http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/archimedes_repository/large/eucli_eleme_515_la_1558/515-01-pageimg&pn=275&ws=1&wx=0.6096&wy=0.6473&ww=0.3071&wh=0.2644&mk=0.7929/0.6689 extensive marginal notes] and also [http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/archimedes_repository/large/eucli_eleme_515_la_1558/515-01-pageimg&pn=57&ws=1&wx=0.0494&wy=0.8251&ww=0.6022&wh=0.1531&mk=0.114/0.9328 handwritten notes and sketches]
 * italics: [http://libcoll.mpiwg-berlin.mpg.de/libcoll_zogilib?fn=/permanent/library/GZ4WCF31/pageimg&pn=223&ws=1&wx=0.0507&wy=0.7475&ww=0.7845&wh=0.024&mk=0.1948/0.7508 single word] [http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/archimedes_repository/large/eucli_eleme_515_la_1558/515-01-pageimg&pn=59&ws=1&wx=0.0616&wy=0.419&ww=0.8196&wh=0.2615&mk=0.1056/0.4645 whole paragraph]

 * Greek ligatures: [http://libcoll.mpiwg-berlin.mpg.de/libcoll_zogilib?fn=/permanent/library/GZ4WCF31/pageimg&pn=16&ws=1&wx=0.5901&wy=0.3956&ww=0.3128&wh=0.0836 image p.16] (see also [wiki:GreekLigatures here])
 * columns ([http://libcoll.mpiwg-berlin.mpg.de/libcoll_zogilib?fn=/permanent/library/GZ4WCF31/pageimg&pn=135&ws=1&mk=0.1192/0.1357 recto: gr lat], [http://libcoll.mpiwg-berlin.mpg.de/libcoll_zogilib?fn=/permanent/library/GZ4WCF31/pageimg&pn=136&ws=1&mk=0.2652/0.1324 verso: lat gr]) with "un-synchronized pagebreaks"; sometimes, the columns fill the whole width of the page (see [http://libcoll.mpiwg-berlin.mpg.de/libcoll_zogilib?fn=/permanent/library/GZ4WCF31/pageimg&pn=626&ws=1&wx=0.2424&wy=0.716&ww=0.6969&wh=0.0794&mk=0.2955/0.7504 here]); there are also schematic representations of special cases concerning columns: [https://itgroup.mpiwg-berlin.mpg.de:8080/tracs/mpdl-project-content/attachment/wiki/SampleTexts/huttonschema.jpg Doublepage columns], [https://itgroup.mpiwg-berlin.mpg.de:8080/tracs/mpdl-project-content/attachment/wiki/SampleTexts/huttonschemaextended.jpg Column with extended line], [https://itgroup.mpiwg-berlin.mpg.de:8080/tracs/mpdl-project-content/attachment/wiki/SampleTexts/huttonschema_end.jpg End of columns text]
 * [http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/archimedes_repository/large/eucli_eleme_515_la_1558/515-01-pageimg&pn=59&ws=1&wx=0.2132&wy=0.6728&ww=0.2858&wh=0.0378&mk=0.2372/0.6856 Small caps]

 * [http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/archimedes_repository/large/hutto_dicti_078_en_1795/078-01-pageimg&pn=999&ws=1&wx=0.4645&wy=0.4465&ww=0.3768&wh=0.0592&mk=0.6912/0.4807 references to other entries]

 * Running heads:
  * [http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/archimedes_repository/large/eucli_eleme_515_la_1558/515-01-pageimg&pn=10&ws=1&wx=0.1376&wy=0.0433&ww=0.8058&wh=0.1618&mk=0.3313/0.1003 Benedetti]
  * [http://libcoll.mpiwg-berlin.mpg.de/libcoll_zogilib?fn=/permanent/library/GZ4WCF31/pageimg&pn=138&ws=1&wx=0.1253&wy=0.0389&ww=0.8133&wh=0.1647&mk=0.4436/0.1166 Euclid (Latin/Greek)]
  * [http://echo.mpiwg-berlin.mpg.de/ECHOdocuView/ECHOzogiLib?pn=795&ws=1&wx=0.0723&wy=0.0115&ww=0.8176&wh=0.1782&mk=0.2999/0.0685&mode=imagepath&url=/mpiwg/online/permanent/library/2QTVUHDT/pageimg Euclid (Clavius)]


 * Page numbers in various places: 
  * [http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/archimedes_repository/large/eucli_eleme_515_la_1558/515-01-pageimg&pn=10&ws=1&wx=0.009&wy=0.0057&ww=0.9683&wh=0.1473&mk=0.2103/0.0845 Euclid (Latin)]
  * [http://libcoll.mpiwg-berlin.mpg.de/libcoll_zogilib?fn=/permanent/library/GZ4WCF31/pageimg&pn=625&ws=1&wx=0.0405&wy=0.0091&ww=0.9364&wh=0.1796&mk=0.4147/0.1106 Euclid (Latin/ Greek)]
  * [http://echo.mpiwg-berlin.mpg.de/ECHOdocuView/ECHOzogiLib?pn=174&ws=1&wx=0.015&wy=0.0115&ww=0.4874&wh=0.1683&mk=0.2214/0.0558&mode=imagepath&url=%2Fmpiwg%2Fonline%2Fpermanent%2Flibrary%2F163127KK%2Fpageimg Benedetti]

 * various hyphens
  * [http://echo.mpiwg-berlin.mpg.de/ECHOdocuView/ECHOzogiLib?pn=795&ws=1&wx=0.0888&wy=0.6247&ww=0.6692&wh=0.0233&mk=0.7504/0.6345&mode=imagepath&url=/mpiwg/online/permanent/library/2QTVUHDT/pageimg Euclid (Clavius): simple]
  * [http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/archimedes_repository/large/eucli_eleme_515_la_1558/515-01-pageimg&pn=9&ws=1&wx=0.1394&wy=0.2141&ww=0.6884&wh=0.022&mk=0.8194/0.2329 Euclid (Latin): double, slanted]
  * [http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/archimedes_repository/large/eucli_eleme_515_la_1558/515-01-pageimg&pn=11&ws=1&wx=0.1303&wy=0.5152&ww=0.6923&wh=0.0233&mk=0.811/0.5313 Euclid (Latin): simple, slanted] 

 * various footnote symbols
  * [http://libcoll.mpiwg-berlin.mpg.de/libcoll_zogilib?fn=/permanent/library/GZ4WCF31/pageimg&pn=628&ws=1&wx=0.6063&wy=0.3311&ww=0.3204&wh=0.0596&mk=0.4092/0.7612,0.545/0.7588,0.8189/0.3556,0.6698/0.3672 Arabic numbers] and [http://libcoll.mpiwg-berlin.mpg.de/libcoll_zogilib?fn=/permanent/library/GZ4WCF31/pageimg&pn=628&ws=1&wx=0.2787&wy=0.7326&ww=0.6522&wh=0.0529&mk=0.4092/0.7612,0.545/0.7588 text at bottom of the page] (Euclid (Latin/ Greek))
  * [http://libcoll.mpiwg-berlin.mpg.de/libcoll_zogilib?fn=/permanent/library/GZ4WCF31/pageimg&pn=244&ws=1&wx=0.3317&wy=0.2541&ww=0.2117&wh=0.0216&mk=0.3609/0.2683 Asterisk] and [http://libcoll.mpiwg-berlin.mpg.de/libcoll_zogilib?fn=/permanent/library/GZ4WCF31/pageimg&pn=244&ws=1&wx=0.4028&wy=0.7591&ww=0.3785&wh=0.0281&mk=0.3609/0.2683,0.4214/0.774 text at bottom of the page] (Euclid (Latin/ Greek)
  * [http://libcoll.mpiwg-berlin.mpg.de/libcoll_zogilib?fn=/permanent/library/GZ4WCF31/pageimg&pn=238&ws=1&wx=0.2521&wy=0.7342&ww=0.6991&wh=0.0504 another one]
  * [http://libcoll.mpiwg-berlin.mpg.de/libcoll_zogilib?fn=/permanent/library/GZ4WCF31/pageimg&pn=242&ws=1.5&mk=0.7459/0.6432 this] is a dagger

 * ornamented and unornamented drop caps
  * [http://echo.mpiwg-berlin.mpg.de/ECHOdocuView/ECHOzogiLib?pn=425&ws=1&wx=0.0857&wy=0.4207&ww=0.2058&wh=0.0874&mk=0.1785/0.4908&mode=imagepath&url=/mpiwg/online/permanent/library/163127KK/pageimg Benedetti (ornamented)]
  * [http://echo.mpiwg-berlin.mpg.de/ECHOdocuView/ECHOzogiLib?pn=424&ws=1&wx=0.165&wy=0.2623&ww=0.235&wh=0.061&mk=0.2184/0.2834&mode=imagepath&url=/mpiwg/online/permanent/library/163127KK/pageimg Benedetti (unornamented)]
  * [http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/archimedes_repository/large/eucli_eleme_515_la_1558/515-01-pageimg&pn=422&ws=1&wx=0.1805&wy=0.1893&ww=0.404&wh=0.1661&mk=0.237/0.208 Euclid (Latin) (ornamented)]
  * [http://libcoll.mpiwg-berlin.mpg.de/libcoll_zogilib?fn=/permanent/library/GZ4WCF31/pageimg&pn=238&ws=1&wx=0.2535&wy=0.2392&ww=0.3424&wh=0.0231&mk=0.2988/0.2454 Euclid (Greek/ Latin) (unornamented)]

 * [http://libcoll.mpiwg-berlin.mpg.de/libcoll_zogilib?fn=/permanent/library/GZ4WCF31/pageimg&pn=233&ws=1&wx=0.0564&wy=0.2541&ww=0.7291&wh=0.1283&mk=0.1852/0.3143 Headings and subheadings (different font sizes)]

 * [http://echo.mpiwg-berlin.mpg.de/ECHOdocuView/ECHOzogiLib?pn=299&ws=1&wx=0.0737&wy=0.1815&ww=0.742&wh=0.1963&mk=0.0999/0.214&mode=imagepath&url=/mpiwg/online/permanent/library/163127KK/pageimg Paragraph]

 * <help> tag (creases etc.)
  * [http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/archimedes_repository/large/eucli_eleme_515_la_1558/515-01-pageimg&pn=2&ws=1&wx=0.6919&wy=0.2972&ww=0.0923&wh=0.0585&mk=0.7408/0.4143,0.7371/0.3181 Euclid (latin)]
 * <gap> tag (unreadable because of ink, holes, tears etc.)
  * [http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/archimedes_repository/large/eucli_eleme_515_la_1558/515-01-pageimg&pn=259&ws=1&wx=0.665&wy=0.6742&ww=0.1546&wh=0.0611&mk=0.7732/0.7012 Euclid (Latin)]

 * [http://echo.mpiwg-berlin.mpg.de/ECHOdocuView/ECHOzogiLib?pn=795&ws=1&wx=0.0857&wy=0.3168&ww=0.7747&wh=0.1452&mk=0.4122/0.3275,0.769/0.3419,0.1885/0.3894,0.7695/0.3927,0.1622/0.4265,0.767/0.4285&mode=imagepath&url=/mpiwg/online/permanent/library/2QTVUHDT/pageimg Anchored marginal notes (Euclid (Clavius))]
 * Images
  * [http://echo.mpiwg-berlin.mpg.de/ECHOdocuView/ECHOzogiLib?pn=133&ws=1&wx=0.0814&wy=0.4191&ww=0.7876&wh=0.3762&mk=0.3958/0.5245&mode=imagepath&url=/mpiwg/online/permanent/library/163127KK/pageimg between paragraphs]
  * [http://echo.mpiwg-berlin.mpg.de/ECHOdocuView/ECHOzogiLib?pn=792&ws=1&wx=0.2105&wy=0.4851&ww=0.7423&wh=0.2392&mk=0.3837/0.5572&mode=imagepath&url=/mpiwg/online/permanent/library/2QTVUHDT/pageimg left]
  * [http://libcoll.mpiwg-berlin.mpg.de/libcoll_zogilib?fn=/permanent/library/GZ4WCF31/pageimg&pn=237&ws=1&wx=0.0789&wy=0.1738&ww=0.66&wh=0.211&mk=0.3568/0.2553 centre]
  * [http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/archimedes_repository/large/eucli_eleme_515_la_1558/515-01-pageimg&pn=11&ws=1&wx=0.1208&wy=0.2095&ww=0.7318&wh=0.2008&mk=0.6131/0.3202 right]
  * [http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/archimedes_repository/large/eucli_eleme_515_la_1558/515-01-pageimg&pn=324&ws=1&wx=0.0942&wy=0.4672&ww=0.8531&wh=0.2475&mk=0.2204/0.5548,0.8857/0.5507 left and right]
  * [http://nausikaa2.rz-berlin.mpg.de/digitallibrary/digilib.jsp?fn=/permanent/archimedes_repository/large/agric_remet_001_la_1556/001-01-pageimg&pn=199&ws=1&wx=0.0955&wy=0.1816&ww=0.6144&wh=0.1763&mk=0.4637/0.2265&pt=585 image with caption]

 * [http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/archimedes_repository/large/eucli_eleme_515_la_1558/515-01-pageimg&pn=263&ws=1&wx=0.0799&wy=0.7381&ww=0.8318&wh=0.0533&mk=0.7897/0.7432 Yet another marginal note]

 * Punctuation

 * [http://echo.mpiwg-berlin.mpg.de/ECHOdocuView/ECHOzogiLib?pn=791&ws=1&wx=0.336&wy=0.6364&ww=0.1882&wh=0.039&mk=0.3705/0.6465&mode=imagepath&url=/mpiwg/online/permanent/library/2QTVUHDT/pageimg Fractions]

 * [http://echo.mpiwg-berlin.mpg.de/ECHOdocuView/ECHOzogiLib?pn=430&ws=1&wx=0.1575&wy=0.2409&ww=0.645&wh=0.1864&mk=0.2155/0.2728&mode=imagepath&url=/mpiwg/online/permanent/library/163127KK/pageimg Quotations]

 * [http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/archimedes_repository/large/eucli_eleme_515_la_1558/515-01-pageimg&pn=318&ws=1&wx=0.1392&wy=0.5274&ww=0.8051&wh=0.3843&mk=0.5471/0.5862 Text in text]

 * [http://echo.mpiwg-berlin.mpg.de/ECHOdocuView/ECHOzogiLib?pn=822&ws=1&wx=0.2395&wy=0.0346&ww=0.7576&wh=0.8382&mk=0.9777/0.0804&mode=imagepath&url=/mpiwg/online/permanent/library/2QTVUHDT/pageimg Artifacts of the bookscanning process (mirrored text) is to be ignored] (Euclid (Clavius))

 * [http://echo.mpiwg-berlin.mpg.de/ECHOdocuView/ECHOzogiLib?pn=438&ws=1&wx=0.0975&wy=0.3844&ww=0.8375&wh=0.1584&mk=0.3866/0.4795&mode=imagepath&url=%2Fmpiwg%2Fonline%2Fpermanent%2Flibrary%2F163127KK%2Fpageimg Footers]