1 #LyX 2.2 created this file. For more info see http://www.lyx.org/
7 % to be able to use all color settings of pdfcomment
8 \usepackage[svgnames,rgb]{xcolor}
14 % set fonts for nicer pdf view
15 \IfFileExists{lmodern.sty}
16 {\usepackage{lmodern}}{}
18 \fi % end if pdflatex is used
20 \options index=totoc,BCOR7.5mm,captions=tableheading,pagesize
21 \use_default_options false
25 \maintain_unincluded_children false
27 \language_package default
32 \font_typewriter default
34 \font_default_family default
35 \use_non_tex_fonts false
41 \default_output_format default
43 \bibtex_command bibtex
44 \index_command default
48 \pdf_title "Description of the module pdfcomment"
49 \pdf_author "Uwe Stöhr"
50 \pdf_subject "pdfcomment"
51 \pdf_keywords "LyX, PDF-comments, pdfcomment"
53 \pdf_bookmarksnumbered true
54 \pdf_bookmarksopen true
55 \pdf_bookmarksopenlevel 2
60 \pdf_pdfusetitle false
61 \pdf_quoted_options "linkcolor=black, citecolor=black, urlcolor=blue, filecolor=blue, pdfpagelayout=OneColumn, pdfnewwindow=true, pdfstartview=XYZ, plainpages=false"
64 \use_package amsmath 1
65 \use_package amssymb 1
68 \use_package mathdots 1
69 \use_package mathtools 0
71 \use_package stackrel 0
72 \use_package stmaryrd 0
73 \use_package undertilde 0
75 \cite_engine_type default
79 \paperorientation portrait
83 \notefontcolor #0000ff
90 \paragraph_separation skip
92 \quotes_language english
95 \paperpagestyle default
96 \tracking_changes false
100 \html_be_strict false
105 \begin_layout Standard
106 \begin_inset Flex PDF-Comment-Setup
109 \begin_layout Plain Layout
116 \begin_inset Note Note
119 \begin_layout Plain Layout
120 Use yelow as default color for new PDF-comments, see sec.
125 \begin_inset CommandInset ref
127 reference "sub:PDF-Comment-setup"
140 Description of the module pdfcomment
147 \begin_layout Standard
152 provides full access for PDF comments.
153 You can add normal comments as well as margin comments, underlining etc.
154 And you can also define a special layout for the comment, which you can
155 use several times in the document.
156 This document is only a excerpt of the documentation of
160 , See its documentation for all information:
161 \begin_inset Newline newline
165 \begin_inset Flex URL
168 \begin_layout Plain Layout
170 http://mirrors.ctan.org/macros/latex/contrib/pdfcomment/doc/pdfcomment.pdf
178 \begin_layout Section
179 The different comments types
182 \begin_layout Standard
183 The different comment types are inserted using the menu
185 Insert\SpecialChar \menuseparator
193 You can select one of the following:
196 \begin_layout Subsection
200 \begin_layout Standard
201 This is the standard PDF-comment.
203 \begin_inset Flex PDF-Annotation
206 \begin_layout Plain Layout
207 This is a simple PDF-Annotation
215 \begin_layout Standard
216 Like all PDF-comment types you can add a lot of things to the option of
218 To insert the options inset, set the cursor into the comment inset and
221 Insert\SpecialChar \menuseparator
227 \begin_layout Standard
228 \begin_inset Note Greyedout
231 \begin_layout Plain Layout
236 Literal TeX code, such as braces and brackets, must be inserted as TeX-code
237 to the comment options.
243 \begin_inset Newline newline
249 \begin_layout Standard
250 Here is an example PDF-Annotation where the author is set to
251 \begin_inset Quotes eld
255 \begin_inset Quotes erd
259 \begin_inset Flex PDF-Annotation
262 \begin_layout Plain Layout
263 \begin_inset Argument 1
266 \begin_layout Plain Layout
270 \begin_layout Plain Layout
272 author={Daisy Duck},color={0.234 0.867 0.211},voffset=8pt,opacity=0.5
282 This is an annotation with a complex option.
290 \begin_layout Standard
291 To avoid to write the same options like the author again and again, you
292 can define a so-called
293 \begin_inset Quotes eld
297 \begin_inset Quotes erd
300 for every person and/or comment layout.
302 \begin_inset CommandInset ref
304 reference "sec:Avatars"
308 for further information.
311 \begin_layout Standard
312 For a full list of possible options, please look at the
319 \begin_layout Subsection
323 \begin_layout Standard
324 This will typeset a comment in form of a circle or ellipse.
325 Here is an example without any options:
326 \begin_inset Flex PDF-Circle
329 \begin_layout Plain Layout
330 a simple circle comment
338 \begin_layout Standard
339 At the right side you see a large, elliptical comment as example of a PDF-Circle
342 \begin_inset Flex PDF-Circle
345 \begin_layout Plain Layout
346 \begin_inset Argument 1
349 \begin_layout Plain Layout
353 \begin_layout Plain Layout
355 id=1,color=blue,height=2.5cm,width=5.8cm,voffset=-2.8cm,hoffset=8cm,opacity=1.0,just
356 ification=right,icolor={yellow},linewidth=12pt,borderstyle=dashed,dashstyle={10
367 a circle comment in form of a large ellipse
373 \begin_inset Newline newline
377 \begin_inset Newline newline
381 \begin_inset Newline newline
387 \begin_layout Subsection
391 \begin_layout Standard
392 This will typeset a comment in form of a freely positioned box.
397 the box will have an additional so called callout line, to bind the box
398 to a certain element of the page.
403 you can write a comment everywhere on the page with a virtual ’typewriter’.
404 These PDF-Freetext annotations do have no frame and a transparent background
405 for ’overwriting’ arbitrary parts of the page.
406 Here is an example in form of a blue rectangle:
407 \begin_inset Flex PDF-Freetext
410 \begin_layout Plain Layout
411 \begin_inset Argument 1
414 \begin_layout Plain Layout
418 \begin_layout Plain Layout
420 height=3cm,type=freetext,subject={freetext},width=4.5cm,voffset=-3.2cm,hoffset=-3.2
421 cm,opacity=0.9,justification=right
431 This is also a comment, but it's a PDF-Freetext annotation.
437 \begin_inset Newline newline
441 \begin_inset Newline newline
445 \begin_inset Newline newline
449 \begin_inset Newline newline
455 \begin_layout Subsection
459 \begin_layout Standard
460 This will typeset a comment in form of a line, polyline or polygon.
461 Here is an example without any options:
462 \begin_inset Flex PDF-Line
465 \begin_layout Plain Layout
466 a simple PDF-Line comment
472 \begin_inset Newline newline
478 \begin_layout Standard
479 As you can see a PDF-Line comment without options is useless.
482 \begin_layout Standard
483 The green arrow at the left side of this page is an example for a PDF-Line
484 comment with options.
486 \begin_inset Flex PDF-Line
489 \begin_layout Plain Layout
490 \begin_inset Argument 1
493 \begin_layout Plain Layout
497 \begin_layout Plain Layout
499 type=line,opacity=1,line={50 480 50 180},color=green,icolor=blue,caption=top,lin
500 ebegin={/ROpenArrow},lineend={/OpenArrow},linewidth=2bp,captionhoffset=-5pt,capt
511 a PDF-Line comment with options
519 \begin_layout Subsection
523 \begin_layout Standard
524 This will typeset an annotation into the margin.
525 Right beside this text is an example without options:
526 \begin_inset Flex PDF-Margin
529 \begin_layout Plain Layout
530 a simple PDF-Margin comment
538 \begin_layout Standard
539 The red margin note is an example for a PDF-Margin command with options.
541 \begin_inset Flex PDF-Margin
544 \begin_layout Plain Layout
545 \begin_inset Argument 1
548 \begin_layout Plain Layout
549 icon=Note,color=red,open=true,hspace=100pt
554 a PDF-Margin comment with options
562 \begin_layout Subsection
566 \begin_layout Standard
567 This will typeset so called PDF text markup annotations over some text or
569 Here is a markup without options:
570 \begin_inset Flex PDF-Markup
573 \begin_layout Plain Layout
582 \begin_layout Standard
583 Possible types for the option
590 \begin_layout Description
591 Highlight The markup text will be highlighted:
592 \begin_inset Flex PDF-Markup
595 \begin_layout Plain Layout
596 \begin_inset Argument 1
599 \begin_layout Plain Layout
600 id=1,markup=Highlight
606 \begin_inset Argument post:1
609 \begin_layout Plain Layout
621 \begin_inset Note Note
624 \begin_layout Plain Layout
625 see the next section for the description of the option
635 \begin_layout Description
636 Underline The markup text will be underlined:
637 \begin_inset Flex PDF-Markup
640 \begin_layout Plain Layout
641 \begin_inset Argument 1
644 \begin_layout Plain Layout
650 Underlining PDF-Markup
658 \begin_layout Description
659 Squiggly The markup text will be underlined with a wave:
660 \begin_inset Flex PDF-Markup
663 \begin_layout Plain Layout
664 \begin_inset Argument 1
667 \begin_layout Plain Layout
681 \begin_layout Description
682 StrikeOut The markup text will be struck out:
683 \begin_inset Flex PDF-Markup
686 \begin_layout Plain Layout
687 \begin_inset Argument 1
690 \begin_layout Plain Layout
696 Striked-out PDF-Markup
704 \begin_layout Standard
705 The text for the comment is inserted with the inset option
712 \begin_layout Standard
713 PDF-Markup has some limitations:
716 \begin_layout Itemize
717 it is only suitable for text or inline math!
720 \begin_layout Itemize
721 the markup text must not be longer than one paragraph
724 \begin_layout Itemize
725 the markup annotation must not be longer than one page, otherwise the recognitio
726 n of the page break will fail
729 \begin_layout Itemize
730 when using XeTeX you have to assure that the page dimensions are internally
732 \begin_inset space \thinspace{}
736 \begin_inset space \space{}
739 with the document class option
743 for the KOMA-Script classes, or the option
747 for the LaTeX-package
754 \begin_layout Subsection
758 \begin_layout Standard
759 With a PDF-Reply you can compose replies to PDF-comments.
764 provides a clear reference to the comment the reply refers to.
767 \begin_layout Standard
768 As example see the reply to the Highlight PDF-Markup from the previous section.
770 \begin_inset Flex PDF-Reply
773 \begin_layout Plain Layout
774 \begin_inset Argument 1
777 \begin_layout Plain Layout
778 id=2,replyto=1,date=D:20101211161247+01'00'
788 It appears in that PDF-Markup comment.
789 To be able to reference the PDF-Markup the option
793 was added to its options.
794 The PDF-Reply got the option
801 \begin_layout Standard
802 You can also reply to replies by adding an
806 option to the reply that should be replied to.
807 As example see the reply to the reply to the PDF-Markup.
809 \begin_inset Flex PDF-Reply
812 \begin_layout Plain Layout
813 \begin_inset Argument 1
816 \begin_layout Plain Layout
817 replyto=2,date=D:20101212095321+01'00'
822 Of course, you can reply to a reply.
830 \begin_layout Standard
831 \begin_inset Note Greyedout
834 \begin_layout Plain Layout
839 Due to technical reasons PDF-Reply works only when using pdflatex.
847 \begin_layout Standard
848 PDF-Reply has some further limitations:
851 \begin_layout Itemize
852 It can not support page breaks.
855 \begin_layout Itemize
856 The replies will only appear in the PDF annotations on the second page.
857 (Replies to comments without page break work smoothly.)
860 \begin_layout Subsection
864 \begin_layout Standard
865 This will typeset a comment in form of identical markers on every side of
867 The yellow arrows besides this text is an example without any options:
869 \begin_inset Flex PDF-Sideline
872 \begin_layout Plain Layout
873 a simple PDF-Sideline
881 \begin_layout Standard
882 As you can see a PDF-Sideline comment without options is quite useless.
883 PDF-Sideline is useful if you want to highlight complete parts of a page.
884 The inset options define the layout of the marker while the normal content
885 of the inset is the text surrounded by the markers.
886 The content of the inset option
890 will be printed along both markers.
894 \begin_layout Standard
895 \begin_inset Flex PDF-Sideline
898 \begin_layout Plain Layout
899 \begin_inset Argument 1
902 \begin_layout Plain Layout
903 opacity=0.33,color=magenta,icolor=cyan,caption=inline,linebegin=
907 \begin_layout Plain Layout
918 \begin_layout Plain Layout
929 \begin_layout Plain Layout
940 \begin_layout Plain Layout
947 ,linewidth=3bp,linesep=0.7cm
952 Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy
953 eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam
955 At vero eos et accusam et justo duo dolores et ea rebum.
956 Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor
958 Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy
959 eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam
963 \begin_layout Plain Layout
964 At vero eos et accusam et justo duo dolores et ea rebum.
965 Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor
967 Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy
968 eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam
970 At vero eos et accusam et justo duo dolores et ea rebum.
971 Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor
973 \begin_inset Argument 2
976 \begin_layout Plain Layout
990 \begin_layout Standard
991 PDF-Sideline has some limitations:
994 \begin_layout Itemize
995 the markup annotation should not be longer than one page, otherwise the
996 recognition of the page could fail
999 \begin_layout Itemize
1000 when using XeTeX you have to assure that the page dimensions are internally
1002 \begin_inset space \thinspace{}
1006 \begin_inset space \space{}
1009 with the document class option
1013 for the KOMA-Script classes, or the option
1017 for the LaTeX-package
1024 \begin_layout Subsection
1028 \begin_layout Standard
1029 This will typeset a rectangular box.
1030 Here is an example without any options:
1031 \begin_inset Flex PDF-Square
1034 \begin_layout Plain Layout
1035 a simple PDF-Square comment
1043 \begin_layout Standard
1044 Below this text you see a rectangle comment with a curvy outline as example
1045 of a PDF-Square with options.
1048 \begin_layout Standard
1049 \begin_inset Flex PDF-Square
1052 \begin_layout Plain Layout
1053 \begin_inset Argument 1
1056 \begin_layout Plain Layout
1057 height=2cm,width=4.8cm,voffset=-2cm,hoffset=1cm,opacity=1.0,justification=right,ic
1058 olor=CornflowerBlue,bse=cloudy,bsei=2.5,linewidth=8pt
1063 A fancy PDF-Square comment
1069 \begin_inset Newline newline
1073 \begin_inset Newline newline
1077 \begin_inset Newline newline
1081 \begin_inset Newline newline
1087 \begin_layout Subsection
1091 \begin_layout Standard
1092 With this you can annotate any object with a tooltip.
1096 \begin_layout Plain Layout
1097 All objects that can be set into a TeX-box to measure its size.
1105 \begin_layout Standard
1106 The PDF-Tooltip inset has a mandatory argument for the tooltip.
1107 The object that should be annotated is set into the PDF-Tooltip inset,
1108 the tooltip is written into the mandatory argument of the inset.
1109 Here is an example of a word with a tooltip:
1110 \begin_inset Flex PDF-Tooltip
1113 \begin_layout Plain Layout
1114 \begin_inset Argument post:1
1117 \begin_layout Plain Layout
1133 \begin_layout Standard
1134 As the object for the tooltip can be almost anything, we can also use it
1135 for chemical notations in math:
1136 \begin_inset Flex PDF-Tooltip
1139 \begin_layout Plain Layout
1140 \begin_inset Argument post:1
1143 \begin_layout Plain Layout
1150 \begin_inset Formula $\ce{H2SO4}$
1161 \begin_layout Standard
1162 The PDF-Tooltip inset has also an optional argument that is used to correct
1163 the size of tooltips for math (if necessary) or to disable an annotation.
1164 Here is an example with a mathstyle option:
1167 \begin_layout Standard
1168 \begin_inset Flex PDF-Tooltip
1171 \begin_layout Plain Layout
1172 \begin_inset Argument 1
1175 \begin_layout Plain Layout
1179 \begin_layout Plain Layout
1194 \begin_inset Argument post:1
1197 \begin_layout Plain Layout
1204 \begin_inset Formula $x^{2}+2xy+y^{2}\sum_{i=1}^{n}i=\frac{1}{2}n\cdot(n+1)$
1215 \begin_layout Section
1219 \begin_layout Standard
1224 provides the following environments to define or change PDF-comments:
1227 \begin_layout Subsection
1229 \begin_inset CommandInset label
1231 name "sub:PDF-Comment-setup"
1238 \begin_layout Standard
1239 With this custom inset you can reset the global (document-wide) options
1241 For example the default color for new PDF-comments is blue.
1242 To get Adobe Reader's yellow colored notes for all comments in your document,
1243 add the PDF-comment setup inset to the beginning of your document and insert
1249 This was also done in this document.
1252 \begin_layout Standard
1253 By using its optional option
1257 you can keep the reset local within a group enclosed by TeX-braces.
1258 For example you want to reset the color only for two consecutive comments,
1259 then enclose the PDF-comment setup inset and the two comment insets in
1264 \begin_layout Standard
1268 \begin_layout Plain Layout
1276 \begin_inset Flex PDF-Comment-Setup
1279 \begin_layout Plain Layout
1280 \begin_inset Argument 1
1283 \begin_layout Plain Layout
1295 \begin_inset Flex PDF-Markup
1298 \begin_layout Plain Layout
1299 PDF-Markup in orange
1305 \begin_inset space ~
1309 \begin_inset space ~
1313 \begin_inset space ~
1317 \begin_inset Flex PDF-Annotation
1320 \begin_layout Plain Layout
1321 PDF-Annotation in orange
1330 \begin_layout Plain Layout
1338 \begin_inset Flex PDF-Margin
1341 \begin_layout Plain Layout
1342 default PDF-Margin comment
1350 \begin_layout Subsection
1354 \begin_layout Standard
1355 This environment allows you to define a style for a PDF-comment that can
1356 be used by several comments.
1357 Assuming you write a Math tutorial and want to add popup explanations in
1358 the PDF for several expressions, then insert a PDF-Comment style environment
1359 before your first formula.
1364 , set the color to white with
1368 and highlight the whole formula with
1375 \begin_layout Define PDF-Comment Style
1376 \begin_inset Argument 1
1379 \begin_layout Plain Layout
1385 color=white,markup=Highlight
1388 \begin_layout Standard
1389 In the comments use the option
1397 \begin_layout Standard
1398 \begin_inset Flex PDF-Markup
1401 \begin_layout Plain Layout
1402 \begin_inset Argument 1
1405 \begin_layout Plain Layout
1436 \begin_inset Formula $P(E)$
1440 \begin_inset Argument post:1
1443 \begin_layout Plain Layout
1456 Probability of event E
1469 \begin_layout Subsection
1470 \begin_inset CommandInset label
1479 \begin_layout Standard
1480 If you are for example reviewing a document, you need to add your name to
1481 every of your comments.
1482 In case you use a special layout of your annotations, you would have to
1483 do a lot of copy-paste work.
1484 But this can be avoided if you define for every person a special avatar.
1487 \begin_layout Standard
1488 Assuming your name is
1489 \begin_inset Quotes eld
1493 \begin_inset Quotes erd
1496 you can define an avatar for your using the environment Define
1497 \begin_inset space ~
1501 Its mandatory option is the name.
1502 In your case, name it
1507 Add behind the name of the avatar your name as author by writing
1509 author={Oleg Testman}
1512 \begin_inset Newline newline
1515 You might use a special icon to see at the first look which comments were
1517 You therefore add behind the author-statement, separated by a comma,
1522 \begin_inset Quotes erd
1529 \begin_layout Plain Layout
1530 For all possible icons, see the
1539 the checkmark should have a green color so that you add
1543 to the avatar definition.
1544 Your whole definition reads now
1545 \begin_inset Newline newline
1550 author={Oleg Testman},icon=Check,color=lime
1553 \begin_layout Define Avatar
1554 \begin_inset Argument 1
1557 \begin_layout Plain Layout
1563 author={Oleg Testman},icon=Check,color=lime
1566 \begin_layout Standard
1567 To use now your avatar for PDF-comments you have two choices:
1570 \begin_layout Enumerate
1571 You set up ALL PDF-comments in the document using your avatar.
1572 This is done by inserting the custom inset
1576 before the first PDF-comment in your document.
1577 Insert to this inset
1584 \begin_layout Enumerate
1589 to the options of a particular PDF-comment.
1590 The avatar will then only be used for this comment.
1593 \begin_layout Standard
1594 Here is an example for the
1599 \begin_inset Flex PDF-Comment-Setup
1602 \begin_layout Plain Layout
1609 \begin_inset Flex PDF-Annotation
1612 \begin_layout Plain Layout
1613 Oleg said: Wow, that's nice!
1619 \begin_inset Newline newline
1622 and here is another comment:
1623 \begin_inset Flex PDF-Annotation
1626 \begin_layout Plain Layout
1627 Oleg also said: I hate to repeat myself.
1635 \begin_layout Define Avatar
1636 \begin_inset Argument 1
1639 \begin_layout Plain Layout
1645 color=NavyBlue,opacity=0.5,open=false,icon=Circle,author={Dr.
1649 \begin_layout Standard
1650 Here is an example where another avatar
1651 \begin_inset Quotes eld
1655 \begin_inset Quotes erd
1658 is only used for this comment:
1659 \begin_inset Flex PDF-Margin
1662 \begin_layout Plain Layout
1663 \begin_inset Argument 1
1666 \begin_layout Plain Layout
1673 Dolittle! Respect my authority!
1681 \begin_layout Section
1682 List of PDF-comments
1685 \begin_layout Standard
1686 You can insert a list with all PDF-comments using the environment List of
1688 By specifying options for it you can determine what parts of the comments
1689 shpuld appear in the list.
1690 Here is the list for this document where only the comments of a defined
1694 \begin_layout List of PDF Comments
1695 \begin_inset Argument 1
1698 \begin_layout Plain Layout
1703 \begin_layout Plain Layout
1714 \begin_layout Plain Layout
1725 \begin_layout Plain Layout
1732 List of PDF-comments
1736 \begin_layout Plain Layout
1751 \begin_layout Standard
1752 You can also define your own style using the environment
1753 \begin_inset Newline newline
1759 \begin_inset space ~
1763 \begin_inset space ~
1767 \begin_inset space ~
1771 \begin_inset Newline newline
1776 if you know enough about the tricky LaTeX internals.
1777 With the environment
1778 \begin_inset Newline newline
1784 \begin_inset space ~
1788 \begin_inset space ~
1792 \begin_inset space ~
1796 \begin_inset Newline newline
1801 you can set a list style in case it was changed before the list of comments.
1804 \begin_layout Define PDF-Comment List Style
1805 \begin_inset Argument 1
1808 \begin_layout Plain Layout
1831 \begin_layout Set PDF-Comment List Style
1832 AuthorCommentDeadline
1835 \begin_layout Standard
1836 \begin_inset Note Greyedout
1839 \begin_layout Plain Layout
1844 Only one list of comments can be printed in the PDF.
1852 \begin_layout Section
1856 \begin_layout Itemize
1857 To be able to use all kinds of colors and color definitions you must load
1862 in the document preamble this way:
1863 \begin_inset Newline newline
1870 usepackage[svgnames,rgb]{xcolor}
1873 \begin_layout Itemize
1874 If you have two consecutive PDF-comment insets, the will appear in the PDF
1875 one over each other:
1876 \begin_inset Flex PDF-Comment-Setup
1879 \begin_layout Plain Layout
1886 \begin_inset Flex PDF-Annotation
1889 \begin_layout Plain Layout
1890 Oleg said: Wow, that's nice!
1896 \begin_inset Flex PDF-Annotation
1899 \begin_layout Plain Layout
1900 Oleg also said: I hate to repeat myself.
1906 \begin_inset Newline newline
1909 To avoid that separate them with whitespace like protected space:
1910 \begin_inset Flex PDF-Annotation
1913 \begin_layout Plain Layout
1914 Oleg said: Wow, that's nice!
1920 \begin_inset space ~
1924 \begin_inset space ~
1928 \begin_inset space ~
1932 \begin_inset space ~
1936 \begin_inset space ~
1940 \begin_inset space ~
1944 \begin_inset space ~
1948 \begin_inset Flex PDF-Annotation
1951 \begin_layout Plain Layout
1952 Oleg also said: I hate to repeat myself.
1960 \begin_layout Itemize
1961 You cannot use non-Latin characters in your comment or in the author name.
1962 The reason is that PDFs use a special character encoding that is not compatible