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Letters change or disappear after editing a markup.
This issue occurs when the font being used is corrupted.
If you do not require the specific font causing the issue, changing the text to a different font will likely resolve the issue. If you do require the font, begin by testing whether the issue is caused by the system font or the embedded font in the PDF.
Set up a test document:
- Create a blank PDF.
- Insert a text box and enter text using the same font causing the issue.
If the issue persists, the issue is with the font on your system. If the issue does not persist, the embedded font in the PDF is corrupt and will need to be removed.
To remove an embedded font:
- Go to Document > Reduce File Size . The Reduce File Size window appears.
- Under Output Options, click Edit. The Reduce File Size Custom Settings dialog box appears.
- Go to the Images tab and clear all checkboxes. Then go to the Miscellaneous tab and clear all checkboxes.
- Go to the Fonts tab and ensure the Drop Embedded box remains checked.
- Click OK. The dialog box will close, and you will return to the Reduce File Size dialog box.
- Click Save at the bottom of the window.
- You will be prompted to overwrite the existing file or save as a new copy.
- Click Yes to replace the existing file with your new changes.
- Click No to save the PDF as a copy with a new name. It is recommended to save the file as a copy since it allows you to keep the PDF in its original state should you need it.
- Double-click on the text box to see if the issue is resolved.
Other versions of this article
Revu 2017 and older
Letters change or disappear when I stop editing a markup.
Why does this happen?
It is usually because the font being used is corrupted.
How do I fix it?
In the process below, you will first test whether the issue is caused by the font or the PDF. The steps you take from there are dependent on the results of your testing. There will be solutions provided for each problem as you progress through the steps.
Set up a test document
- Create a new, blank PDF.
- Insert a text box and type with the same font that caused the issue.
Does the problem recur?
- If it does, the problem is caused by the font installed on your system.
- If not, the problem is caused by the font embedded in the particular PDF.
If the problem is specific to the document, dropping (or removing) the embedded font should resolve the issue:
- Open the affected PDF in Revu.
- Go to Document > Process > Reduce File Size
- Click Edit.
- The Reduce File Size Custom Settings dialog box appears. Uncheck everything in the Images and Miscellaneous tabs. In the Fonts tab, make sure that the Drop Embedded box is checked.
- Click OK.
- The dialog box will close, and you will be taken back to the Reduce File Size dialog box.
- Click OK.
- A Save As dialog box will appear. Give the file a new name, then click Save.
Double-click on the text box to see if the problem is resolved. If the problem recurs, the font may be an embedded subset, which cannot removed from the PDF. In this case, changing the text to a different font should resolve the issue.