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welchp
Participant
February 15, 2011
Question

Weird ligature issues

  • February 15, 2011
  • 22 replies
  • 39453 views

I work at a printing company and we do prepress on InDesign CS5 print jobs. We have ran into a type problem that we would like to know if others have had and if there is a preventative solution for. We've had two InDesign CS5 jobs develop this strange problem in the past month.

If automatic ligatures are turned on (and they are invariably), certain letter pairs will swap out with single glyphs as if they are ligatures despite the fact that they should not be ligatures. Once you turn automatic ligatures off, the pairs go back to the way they are supposed to be (but, all your good ligatures go away as well).

Here is an example:

In the document I have currently, the pairs ek and eh convert to the ligature glyph fi and the > symbol. Thus, if I type "seek behind", you would get "sefi b>ind". Turn off the automatic ligatures, and the problem goes away.

This problem is particularly insidious in that there is no warning for it. You load up the fonts, you open the InDesign file, and the pairs have changed themselves since the last time it was opened. If you aren't looking for it, you will not notice that it has changed.

Has anyone seen this problem or know what causes it? What preventative measures can be done to keep it from occurring other that manually turning off ligatures on all text in all InDesign jobs?

    This topic has been closed for replies.

    22 replies

    amaarora
    Community Manager
    amaaroraCommunity Manager
    Community Manager
    April 12, 2019

    Hi,

    I am working on reproducing this issue. However i am unable to do so. I would like to know, some commonalities amongst the configurations in which the issue is faced.

    For example:

    • Does the issue occur when MathType is used?
    • Does the issue occur when Symbols fonts are used?
    • Does the issue occur only when fonts are placed in InDesign fonts folder?
    • Does the issue occur after using InDesign for a considerable amount of time?
    • Does the issue occur when exporting InDesign document to PDF or in other formats too?
    • Some concrete steps to reproduce the issue?
    • Any other common aspects or additional information?

    I would appreciate if you can share the sample files with which the issue is seen

    Also, do vote for this issue here: InDesign False Ligatures Bug – Adobe InDesign Feedback

    I did note that there is a pattern- whenever fi is changed-so is fl, whenever hk is changed so is hn, whenever io is changed so it in. Thanks for pointing this pattern of these false ligature

    -Aman

    amaarora@adobe.com

    Jongware
    Community Expert
    JongwareCommunity Expert
    Community Expert
    April 12, 2019

    The pattern you noticed is in the glyph ids --InDesign applies OpenType functions (defined by glyph ids) to the wrong font.

    fatblue
    fatblue
    Participating Frequently
    January 31, 2017

    I ran into this issue mid December 2016. I found that after copying and pasting type, any occurrence of "technology" came out as "tecÜology". This happened in three separate docs in cc2017. Font was Avenir LT STD. I always run the current cc build.

    During the same week, I was working in cc2015 (for a separate client) and had the work "technology" come out as "tecĂology".

    I found in both of the first case that if I typed into the document the letters "hn" they would instantly append into Ü in the cc2015 version.

    The problem did not persist after the end of December.

    I am trying to figure out a way to recreate the issue so I can properly trouble shoot the issue. Anyone find a way to make this error consistently happen yet? Does anyone know of a way to tell certain ligatures to automatically append (as in the way it happens using a Japanese language set)?

    P
    PhoenixProp
    Participant
    January 31, 2017

    Remove Ligatures from Entire Text Box

    You need to do this with no document open to make this a default setting for any new documents you create.

    If your document is open:

    1. Select the text box that contains ligatures. You can also complete the following steps prior to creating a text box.
    2. Click on the "Window" / "Type & Tables" / "Character" to open your Character pallet. (Type pallet)
    3. Click on the character panel flyout menu at the top right of the character pallet.
    4. Deselect "Ligatures."

    With no document open:

    1. Open indesign.
    2. (Before opening any document Click on the "Window" / "Type & Tables" / "Character" to open your Character pallet. (Type pallet)
    3. Click on the character panel flyout menu at the top right of the character pallet.
    4. Deselect "Ligatures."
    fatblue
    fatblue
    Participating Frequently
    January 31, 2017

    Ligatures needed to be present on one of the jobs. On the 2nd, once I noticed the issue I just turned them off. The job that needed the ligatures on was 88 pages. It can't be an all or nothing solution.

    evocative
    evocative
    Participant
    January 17, 2017

    Remove Ligatures from Entire Text Box

    You need to do this with no document open to make this a default setting for any new documents you create.

    If your document is open:

    1. Select the text box that contains ligatures. You can also complete the following steps prior to creating a text box.
    2. Click on the "Window" / "Type & Tables" / "Character" to open your Character pallet. (Type pallet)
    3. Click on the character panel flyout menu at the top right of the character pallet.
    4. Deselect "Ligatures."

    With no document open:

    1. Open indesign.
    2. (Before opening any document Click on the "Window" / "Type & Tables" / "Character" to open your Character pallet. (Type pallet)
    3. Click on the character panel flyout menu at the top right of the character pallet.
    4. Deselect "Ligatures."
    C
    Cloyd
    Participating Frequently
    March 19, 2016

    I am now also experiencing this issue. The most common one for me is the "hn"-to-"Ÿ" substitution, but others do occur, as well.

    It was never a problem in CS4, 5, or 6, but now that I've upgraded to CC2015, I see it in a number of files with several fonts. I have validated the fonts with Font Book, and they all check out just fine. This issue only occurs in InDesign -- no other application, Adobe or non-Adobe.

    For me, quitting and re-starting ID doesn't help. However, I can cure the problem temporarily (for a day or two or three) by deleting the ID Caches located in ~/[my folder]/Library/Caches/Adobe InDesign/Version 11.0. But the problem always re-occurs in seemingly random files -- files created in CC2015, or converted from previous ID versions -- it doesn't matter.


    It looks as if the issue is in the ID Caches files. Somehow, they must be repeatedly getting corrupted.

    I only have one third-party plug-in. I have tried deleting that plug-in, but the problem still persists -- with or without it -- so that doesn't seem to be the problem.

    Since this problem has shown itself through many versions of ID, and many OS versions, it clearly must be an InDesign issue. The question is: why?, and why for only some of us?

    While it seems like a relatively minor problem, I see it as a potential business-killer. Already, one client has expressed great concern about needing to re-proof everything, and if we go to press with this problem undiscovered in a file, I might have to pay for entire books being pulped and re-printed.

    I see that entries on the Adobe Forum stopped in December 2011. Was a solution found? I really need help with this, if you can offer any suggestions.

    Steve Werner
    Community Expert
    Steve WernerCommunity Expert
    Community Expert
    March 19, 2016

    Try creating a new user in System Preferences > Users & Groups. There could either be corruption or third party software conflict in your current user area causing the problem. In the new user, launch InDesign before anything else and see if the problem re-occurs.

    It's the fact that it can be temporarily changed by deleting the cache files, but the problem reoccuring that makes me think this is possiblity/likelihood.

    C
    Cloyd
    Participating Frequently
    March 29, 2016

    It appears that most (if not all) of the anomalies and erratic behavior that I have been seeing was caused by the presence of two Symbol fonts installed. The Mac OS installs its version of Symbol, and it turns out that MathType also installs its version of Symbol, this time in the ~/Library/Fonts folder. The presence of these two versions of Symbol was definitely causing a lot of erratic behavior (including the constant corruption of the cache files) in ID only. (All my other apps seemed to have no problems, but then again, ID has a very robust and complicated type engine compared to other apps.)

    I still don't know if it also was the cause of the weird ligatures. That was occasional enough that that problem might still be hanging around. I'll keep working in ID for another month and check back in to report if the presence of two Symbol fonts was causing that problem, as well!

    To be continued . . .

    Mattwbrt
    Mattwbrt
    Participating Frequently
    December 21, 2011

    Having done some more research into this issue.

    Their is something wrong in the Indesign Ligature protical.

    I have an indesign file that is set up with the previous list of Ligatures based off the fi and fl.

    I load various different fonts to the Adobe fonts folder even after having made a new one to make sure its clean.

    When the "hn" messes up so does the "hk"

    I tested this on the Job I had that the "SY" was messing up and the "SV" messed up and it only messed up in keying the SY and SV and upper case.

    I tested another job where the "il" was causing issues in small caps and I loaded the fonts before applying the small caps to the ligature list and the "il" "io" was messing up.

    Once i applied the small caps to the font in Indesign the entire font messed up. I was getting Cc Bb for and other characters for the different pairs.

    I have been able to replicate these issue pretty quickly now.

    Seems removing and placing the fonts in and out of the Adobe Indesgin font folder is how you get the file to break.

    I have been running tests with keeping the fonts with the indesign files named Document Fonts for some reason it will not always see my postscript fonts in that situation.

    So these tests I can not verify that the solution to the problem is Document Fonts.

    I have placed another bug request in to adobe to look into this.

    John Hawkinson
    John Hawkinson
    Inspiring
    December 22, 2011

    Matt:

    I have placed another bug request in to adobe to look into this.

    Just for clarity, the way to get Adobe to respond is to open a Support Case, at http://adobe.com/go/supportportal.

    If you just drop a note in the wishform (http://adobe.com/go/wish), you will get no tracking, no followup, and given the realistic timeframes of software development, I would guess your bug is very unlikely to be fixed for CS6, which informed guesstimators expect to ship in April/May 2012, about a year after CS5.5 shipped.

    So, again, if you want your bug fixed, please open a support case with Adobe, and ensure that they give you a Bug # after they confirm your bug. They may try to charge you $40 for the privilege, if you don't have a support contract. They'll credit that back to you that if they can confirm your bug, which it sounds like they should be able to do.

    Mattwbrt
    Mattwbrt
    Participating Frequently
    December 20, 2011

    More intresting testing of the issue.

    1.)I loaded the file in question to my desktop.

    2.) I placed all the fonts in a folder called Document Fonts in the same folder as the Indesign file.

    3.) I open the job up the Ligature issue does not happen.

    4.) I then close the file rename the fonts folder to Document Fonts1

    5.) I then place these exact same fonts into the Adobe Indesign Cs5 > Fonts folder

    6.) Open the same indesgn file up and the Ligature issue shows up again.

    7.) I leave the fonts in the font folder then close Indesign

    8.) I change the name of Document Fonts1 back to Document Fonts open the indesign file up again and the Ligature issue is gone.

    IDM file

    I did not see anything jumping out at me that is wrong with the file when I cracked it open.

    I still think its Indesign Program issue since the file appears to be ok.

    Peter Spier
    Community Expert
    Peter SpierCommunity Expert
    Community Expert
    December 20, 2011

    Mattwbrt wrote:

    More intresting testing of the issue.

    1.)I loaded the file in question to my desktop.

    2.) I placed all the fonts in a folder called Document Fonts in the same folder as the Indesign file.

    3.) I open the job up the Ligature issue does not happen.

    4.) I then close the file rename the fonts folder to Document Fonts1

    5.) I then place these exact same fonts into the Adobe Indesign Cs5 > Fonts folder

    6.) Open the same indesgn file up and the Ligature issue shows up again.

    7.) I leave the fonts in the font folder then close Indesign

    8.) I change the name of Document Fonts1 back to Document Fonts open the indesign file up again and the Ligature issue is gone.

    If you have a folder in the same directory as the .indd file named Document Fonts ID will use the contents of that folder, if it can, but will not even look at them if you change the name. It looks to me like the issue is with the InDesign fonts folder. Have you tried uninstalling and reinstalling ID after running the clean tool?

    Mattwbrt
    Mattwbrt
    Participating Frequently
    December 20, 2011

    Intresting what I did instead of reinstalling the Indesign i renamed the Indesign Font folder and then made a new folder calling it the same name in the indesign folder.

    placed the fonts in that folder and the ligature issue has yet to reappear in the file on that machine so far.

    Not sure if that is anything of news since i can rename the job font folder place that in the bad folder and it worked as well.

    Mattwbrt
    Mattwbrt
    Participating Frequently
    December 20, 2011

    This is a little intresting Knowlege that might help

    Failed character pairs are in red and always offset by the same value (ie hk is offset by 3, il is offset by 4, sy is offset by 13)

    If the pattern holds true, then all of these letter pairs are suspect for fi and fl, so it may not actually be so random as we suspect that their is a coding issue in the ligature engine in indesign that is getting messed up. when reading a font.

        

                     

    fi fl
    1adag
    2be bh
    3cfci
    4dgdj
    5ehek
    6fi fl
    7gjgm
    8hkhn
    9ilio
    10jmjp
    11knkq
    12lolr
    13mpms
    14nqnt
    15orou
    16pspv
    17qtqw
    18rurx
    19svsy
    20twtz
    21uxua
    22vyvb
    23wzwc
    24xaxd
    25ybye
    26zczf

    John Hawkinson
    John Hawkinson
    Inspiring
    December 20, 2011

    Yup, that doesn't seem at all surprising to me. It could also be an issue with the font, because opentype fonts have fairly complicated ligature rules embedded in them; it's really a programming language, I believe.

    So it could well be a complex interaction between InDesign and the font's ligature coding.

    Mattwbrt
    Mattwbrt
    Participating Frequently
    December 20, 2011

    The only monkey wrench is that it has happened to Type 1 Postscript fonts.

    So it still leads me to think its in indesigns Ligature coding.

    One of the tests i ran the other day we had a opened a plain text file up on another machine typed in some specific word like john and others.

    Made sure the text file had ligatures set on. The was the Mac OSX's TextEdit program. We then brought the file to the other computer which we knew had the hn issue in a Indesign file.

    We made sure we moved the fonts to the user system folder removing it from the indesign folder.

    Indesign file still had problems.

    Opening the TexEdit file it showed no problems. Then I copyed and pasted the text from the TexEdit file into indesign and the joÚ  appeared in the new text.

    This is why I really believe its Indesign issue since i am not seeing this issue in any other program such as Microsoft word, Quark 7 or TextEdit.

    
    Mattwbrt
    Mattwbrt
    Participating Frequently
    December 19, 2011

    Ok Another weird solution to this.

    Looking above at the post jong wrote and the link.

    We do not use document fonts or a collect for output.

    all of our font folders have a unique 5 digit number with a _fonts on them

    So I went to the machine i have left on with this issue.

    The first steps I did i open and closed the Indesign file to make sure the bug was still happening it was.

    I left the fonts loaded into the Adoobe Indesign fonts folder.

    I renamed the fonts folder adding a _1 after the _fonts and then opened the file and it work the file was fixed.

    So question what does this lead one to think I don't think its a bad cache file I thinking it has something to do with Indesgn holding the path for fonts in its files?

    John Hawkinson
    John Hawkinson
    Inspiring
    December 19, 2011

    Can I repeat my question from post #35?: Does this problem persist across an export to IDML?

    Mattwbrt
    Mattwbrt
    Participating Frequently
    December 20, 2011

    @John,

    John I have not done an IDML export.

    The reason I think that this test for me would be a waste at present is that this problem doesn't happen all the time.

    So then I can export the to IDM then open it up on the same computer and it would not happen.

    I will give it a shot just to see if it happens again.

    For me at present the just changing the name of the font folder was intresting why that worked I have no idea at present.

    But I am continuing to look into this, that it may be something in the way Indesign is looking at the fonts locations of a job

    Example we have our fonts on our server withing a specific path

    Client Number >job number> job_core>job_fonts

    My next step is going to keep the copy on my local desktop which I have been for testing but disconnect my network drives so Indesign can not find them.

    I am thinking that Indesign is getting lost in trying to figure out where the fonts are.

    We do not package or collect for output, but maybe Indesign is retaining some information on path location of the last opened fonts.

    Mattwbrt
    Mattwbrt
    Participating Frequently
    December 19, 2011

    Posting more screenshots of the new file we had problems with so you can see the the ligature issue.

    The first is with ligatures on you all see the character Paragraph style we have set up.

    With the Ligatures off.

    Mattwbrt
    Mattwbrt
    Participating Frequently
    December 19, 2011

    "Here is another long shot. Are these fonts installed in your system, or are they inside a Fonts folder inside the one your document is saved? Be careful to check, possibly both are true."

    Yes we make sure all the font locations and the system fonts are cleaned out with only the fonts the OS needs to work.

    Then we load the fonts into the Indesign Font folder. We were using suitcase fusion but we stopped that thinking Suitcase was the issue causing this.

    New  job discovered withthis issue

    The font in question was Cresci Regular is a T1 font the characters in question are "il"

    Mac OS is 10.5.8

    Indesign is ID-CS5 ver 7.0.3

    We were able to catch it in the indesign file first and again turning the ligatures off will fix the issue, but at this stage of the job we can not turn all ligatures off.

    We also have had this issue last week in a Indesign ID-CS5 ver 7.0.4 with the font Adobe Garamond Pro Regular characters "hn"

    Over in the other thread the latest post.

    http://forums.adobe.com/message/4089761#4089761

    kjohn73

    Since first posting in this thread a few months ago to simply update the OS I've since heard from others (one teacher and one student/intern) who have seen this issue as well, and apparently CS5.5 doesn't resolve it. Personally, though, I still haven't experienced the problem on my iMac.

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