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Adobe Acrobat Pro bug - extracting text with ligatures
This is about both editing and exporting PDFs.
The attached PDF has an explicit explanation of the issues + screenshots. Text from the attached file goes right here.I’ve got Adobe Acrobat Pro DC 2015 Release Version 2015.006.30355.
On Web page https://www.zm.gov.lv/mezi/statiskas-lapas/nozares-informacija/buklets-meza-nozare-latvija-?nid=1088#jump
..there is a link to a PDF file "Latvia's Forests During 20 Years of Independence" 2010, https://www.zm.gov.lv/public/ck/files/ZM/mezhi/buklets/MN_20_EN.pdf
The PDF file seems to be a nicely composed PDF with Adobe InDesign CS5.5 (7.5.2).
The font used, Museo Slab is a publicly available font, I bet it should not have any major issues.In the said file, page 47 there are multiple issues with a context having a ligature ffi in the source text ‘office’. This is the only occurrence in the file containing the word ‘office’.
- When Copy/Paste is applied from Acrobat Pro to Notepad++ with the regular Select tool, I get C2 8A UTF-8 bytes which is shown as [VTS] in Notepad++.
No ‘office’.
- With Text Edit tool (Tools > Edit PDF > Edit) I cannot select the entire word. Only starting from the second letter. I try to do selection both with mouse and with SHIFT+keyboard arrows. No way to select the first letter. BUT as for the remaining letters, I get all the components of the ligature as correct letters in the output with Copy/Paste to Notepad++:
Just ‘ffice’ of ‘office’.
But this shows that there is facility to get normal text from ligatures, however it is not implemented correctly or not at all in all the tools and scenarios making them all buggy. Why can I not select the leading ‘o’?- Also, when exported to HTML, the ligature gets encoded as C2 8A in UTF-8.
The same as for Copy/Paste.
If the routine which allows copying ffi from the edit tool was applied to Select and Export tools, some of the Acrobat Pro bugs would be fixed.
I have several other bugs in my list. If this makes sense for Adobe, please confirm, and I will keep posting. Moreover, I hope these will be fixed asap. These bugs are there since at least v9.
This is about both editing and exporting PDFs.
The attached PDF has an explicit explanation of the issues + screenshots. Text from the attached file goes right here.I’ve got Adobe Acrobat Pro DC 2015 Release Version 2015.006.30355.
On Web page https://www.zm.gov.lv/mezi/statiskas-lapas/nozares-informacija/buklets-meza-nozare-latvija-?nid=1088#jump
..there is a link to a PDF file "Latvia's Forests During 20 Years of Independence" 2010, https://www.zm.gov.lv/public/ck/files/ZM/mezhi/buklets/MN_20_EN.pdf
The PDF file seems to be a nicely composed PDF with Adobe InDesign CS5.5 (7.5.2).
The font used, Museo Slab is a publicly available font, I bet it should not have any major issues.In the said file, page 47 there…
12 votes -
bought Adobe Acrobat Pro DC but still saying trial
Purchased Adobe Acrobat Pro DC but it's still states that my trial has expired and I need to purchase. I have already gotten an email notification that the purchase was successful. But I still can't access
10 votes -
Validation of signed PDFs against (all applicable national) law(s)
In Switzerland, as in the EU and many other countries, appropriately digitally signed documents in PDF format are legally fully equivalent to paper-based original documents, signed in handwriting by (one or more) signatories in the presence of witnesses.
STATUS QUO
Country specific differences in national law applicable to establishing the legal adequacy of digitally signed documents with their paper-based equivalents require country specific validation of digitally signed documents against applicable sets of criteria.
The following criteria need to be fulfilled, in order for a digitally signed PDF file to be considered VALID in the sense of LEGALLY COMPLIANT with the intended purpose:
1 - Signature and integrity of the signed file
The document must be checked to see whether it has been modified since it was signed.
2 - Revocation status of the signing certificate
The signed certificate is checked to see if it was issued by a competent, accredited and trusted authority and if it was valid and not revoked (invalidated) at the time it was signed.
3 - Validity of the time stamp
A signed time stamp (TSA; Time Stamping Authority) from a recognised provider confirms the time the document was signed regardless of the computer’s system clock.
4 - Authorised certificate for this document type
Check whether a document has been signed with an appropriate certificate for the intended purpose
CHALLENGE
Some but not all of these legal requirements can be checked and validated by suitable software, such as Adobe's PDF Reader or Acrobat) used for opening and viewing the signed PDF document.
Whether a particular certificate used for signing a PDF document was legally compliant with all of the country's applicable laws at the time the document was signed, requires validation of the document against an officially approved set of potentially country specific criteria.
The publicly accessible validator.ch service of the Swiss Federal Administration provides such a validation service free of charge.
This validator.ch service currently enables 10 different types of digitally signed documents to be validated against all applicable national laws.
A formal validation protocol can be downloaded in certified PDF format. The validation protocol can be used along with the digitally signed PDF document as evidence to prove its validity.
Experience with hundres of digitally executed transactions based on digitally signed PDF documents shows :
Most recipients/readers of signed PDF documents to date will reject the digital document as being "insufficient / not trusted". Most recipients / readers will treat digital documents similar to copies. to be used for information purposes, but not to be relied upon. For lack of trust and better knowledge most recipients / readers still insist on receiving paper signed in handwriting, submitted via postal service rather than e-mail, either instead of or at least in addition to the digitally signed PDF document.
Experience also shows that most recipients / readers of digitally signed PDF documents will accept such documents and will not insist on additional paper if they receive a validation report along with the signed PDF document. A positive validation report issued in the name of the Swiss Federal Administration never fails to impress the reader / recipient.
Senders of digitally signed PDF documents can raise the acceptance with recipents / readers dramatically by validating the signed documents using validator.ch and sending both, either as a single PDF portfolio file, or as two separate PDF files . Sending both files as a single PDF file using PDF portfolio file format is most elegant - but may limit recipients / readers ability to open and view the files in non-Adobe browser plugins / PDF readers.
Providing the two separate files with a common filename but different ending (e.g. -sig and -val) is highly recommended. It facilitates recognition of the "signed document" and its associated "validation protocol".
SUGGESTION
Submitting a digitally signed PDF document to an official validation service, such as validator.ch, is currently a manual process that requires some 15-20 seconds for uploading the signed document and downloading the validation protocol through a web interface using a browser.
The ability to validate a signed PDF document by simply pushing a button, in the application used for creating / signing respectively opening / reading the PDF file, would be most valuable for all users, whether as senders / signatories or as recipients / readers of signed PDF documents.
In addition to the web interface that validator.ch provides for manual upload of signed PDF documents and download of certified validation reports, validator.ch service can be accessed via API for discrete validation of signed PDF documents. The discrete validator.ch API interface uses cryptographical routines (hash), does not require the document to be uploaded (only the hash) and produced the validation report for a document of any size within seconds.
Adobe is requested to consider integrating validation functionality by providing a "push button call" to an external official validation service (such as validator.ch) in its Adobe Reader and Acrobat DC products.
PLEASE SUPPORT THIS SUGGESTION.
Thank you.
Thomas A. Louis
thomas@louis.ch
+41 56 410 1211In Switzerland, as in the EU and many other countries, appropriately digitally signed documents in PDF format are legally fully equivalent to paper-based original documents, signed in handwriting by (one or more) signatories in the presence of witnesses.
STATUS QUO
Country specific differences in national law applicable to establishing the legal adequacy of digitally signed documents with their paper-based equivalents require country specific validation of digitally signed documents against applicable sets of criteria.
The following criteria need to be fulfilled, in order for a digitally signed PDF file to be considered VALID in the sense of LEGALLY COMPLIANT with the…
3 votes -
QuadPoints Of Link Annotation can't render Correct.
QuadPoints Of Link Annotation can't render Correct.
Below is OK.
/Rect [ 28.346 743.543 547.106 787.543 ]
/Contents (Link)
/M (D:20180221190116+09'00')
/F 4
/Border[0 0 0]
/StructParent 1/QuadPoints[
547.106 787.543 479.352 787.543 479.352 767.543 547.106 767.543 79.45 763.543 28.3460007
763.543 28.3460007 743.543030 79.45 743.543030]Below is NG.
/Rect [ 28.346 743.543 547.106 787.543 ]
/Contents (Link)
/M (D:20180221190116+09'00')
/F 4
/Border[0 0 0]
/StructParent 1/QuadPoints[
547.106 787.543 479.352 787.543 479.352 767.543 547.106 767.543 79.45 763.543 28.3460006
763.543 28.3460006 743.543029 79.45 743.543029]Below is NG,too.
/Rect [ 28.346 743.543 547.106 787.543 ]
/Contents (Link)
/M (D:20180221193405+09'00')
/F 4
/Border[0 0 0]
/StructParent 1/QuadPoints[
547.106 787.543 479.352 787.543 479.352 767.543 547.106 767.543 79.45 763.543 28.346
763.543 28.346 743.543 79.45 743.543]Maybe Acrobat treat Rect as float and QuadPoints as double.
QuadPoints Of Link Annotation can't render Correct.
Below is OK.
/Rect [ 28.346 743.543 547.106 787.543 ]
/Contents (Link)
/M (D:20180221190116+09'00')
/F 4
/Border[0 0 0]
/StructParent 1/QuadPoints[
547.106 787.543 479.352 787.543 479.352 767.543 547.106 767.543 79.45 763.543 28.3460007
763.543 28.3460007 743.543030 79.45 743.543030]Below is NG.
/Rect [ 28.346 743.543 547.106 787.543 ]
/Contents (Link)
/M (D:20180221190116+09'00')
/F 4
/Border[0 0 0]
/StructParent 1/QuadPoints[
547.106 787.543 479.352 787.543 479.352 767.543 547.106 767.543 79.45 763.543 28.3460006
763.543 28.3460006 743.543029 79.45 743.543029]Below is NG,too.
/Rect [ 28.346 743.543 547.106 787.543 ]
/Contents (Link)
/M (D:20180221193405+09'00')
/F 4
/Border[0 0 0]…1 vote -
Please change back the flick through files – control tab to commend ` as per all other adobe programs – Photoshop, illustrator.
flick through files shortcut keys
7 votes -
We are unable to create custom paper size to print to pdf files from Autocad Design Review 14
We are unable to create custom paper size to print to pdf files from Autocad Design Review 14. Paper sizes needed are 12in by 300in or larger
2 votesHi
Are you still facing this issue?
Thanks
Tanvi -
Bad Sequence of Events when Scanning
I scanned a document into Acrobat Pro to create a PDF. I then mailed the original document to the destination. Acrobat then forced me to sign-in & the document scan was gone. If you are going to force a user to sign-in, consider doing so before you let them use the tools.
1 vote -
2 votes
Sorry for the inconvenience caused to you. Kindly share with us your machine details and Acrobat version.
Also are you facing this issue with a particular document. -
Mouse pointer turns into a black blocks in acrobat's menus
The mouse pointer turn into a black block in the menus of Acrobat.
3 votesHi,
Since we haven’t heard back from you for so long, We are closing this thread.
If you still face any issue, do let us know
Thanks
Ayush Jain -
Multi Select / Assign Participant Role
Please allow a user to assign a "Participant Role" to multiple fields at once inside of Adobe Acrobat Pro DC (Convert to Adobe Sign form). Similar to how you can select multiple fields and make them all required with one click. This isn't always a huge issue, but when assigning multiple fields in a large table format this can quickly become very tedious and massively time consuming.
6 votes -
Bug: Watermark does not stick to the file
After adding an image watermark, Acrobat visually adds it the file. But the save button is not enabled until I exit editing. So if I close the file in edit mode I don't get the save changed file dialog. In addition, adding watermark to multiple pdf files doesn't work when the files are not opened.
2 votes -
Acrobat DC is disabling the lights when vertex colors are used in the U3D input file, is there any way to overcome this?
I have created a U3D file with a mesh and vertex colors. I have created a PDF file using the Latex tool.
When opening the PDF file in Acrobat DC, I see that the lightning is disabled. This does not happen when the U3D file uses material colors instead of vertex colors.1 vote -
Export to Microsoft Word
Open a PDF document with Arabic content.
This PDF was generated from InDesign CC2017. Arabic fonts used is a good True Type and OpenType fonts. Macintosh 10.11.2 / Acrobat DC Build: 15.23.20056.213124
When exporting to MS Office format, we expect to have a decent conversion as we see with PDFs that has English content.
I opened resulted Word document in MS. Word on Windows, Text Edit on Mac, Apple Preview. The result varies, but generally Arabic text doesn't convert properly, most words scrambled and fragmented.
73 votes -
play video embedded in pdf on mobile device
I can create a pdf with embedded video and email it, but the video can't be seen or accessed on a mobile device. Most businesses use email that is read on their mobile devices, so an attachment with a small video can't be seen.
5 votes -
Fix Creative Cloud so It will load
Fix Creative Cloud so It will load. I have been paying for a subscription since 2015 and two months ago it quit working. Yeas all applications. It will not let me reload or sign in. Tech support was useless. Every body wants to point the finger else where. Either it works or it don't - right now it don't help!
3 votes -
Automatic launch downloaded pdfs
How do I stop acrobat automatically opening downloaded pdfs?
2 votes -
Preference for "Create Comment Summary..."
I have to use the Comment Summary really often and we don't have "US Letter". Every single time I have to change "US Letter" to "A4". It would be great if I could save the setting. Now I use "Action Wizard" for this...
7 votes -
make home screen go away after closing PDF file in Acrobat DC
make home screen go away after closing PDF file in Acrobat DC. Add option for preferences to disable the 'application frame'. This is super annoying as every time you close a pdf you have to press command W on the keyboard twice to close the windows.
6 votesHi,
Since we haven’t got further updates from you on this. We are closing this issue for now.
Please reach out to us again if you have further concernsThanks
Ayush -
Set Default Font for Edit Tool
Why can we not set a default font in our editing tool. One already seems to be the default, but I can't change it.
41 votes -
Provide for smooth video play of embedded 4K and 8K videos
It currently works fine to embed 1080P videos in an adobe document. They play smoothly and the sound and video track nicely. But could you make the same thing possible for 4K and 8K videos. At this time the video is lagging / choppy and the video freezes and all you can hear is the audio. Thank you.
4 votes
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