I am using Writer 184.108.40.206 in US English under Linux Mint 17 on a fast PC with 4GB of RAM to reformat a downloaded .odt file of about half a megabyte. I tried to do a simple search and replace to convert the carriage returns at the end of each line into spaces (a total of about 5000 replacements). As soon as the change has taken place (and is visible), an error message appears telling me that Writer can’t do the replacements unless I turn off Undo first—although I can see the changed file. No matter how I reply (Yes, No, or Cancel), the screen freezes entirely and I can’t do anything to save the changes. No forced quit works; I have to turn the computer off manually and recover the file (without the changes). For some curious reason, accessing the help file doesn’t explain how to turn Undo off.
This appears to be a genuine bug. Is there actually some way to turn off Undo?
By the way, I am not trying to reduce a long document to one paragraph, simply converting a file so that the lines in a paragraph wrap. The Project Gutenberg document I downloaded has a CR at the end of every line, and two of them at the end of every paragraph. I first convert all the double CR’s to a #'s (there are only about 500, so no problem), then convert the remaining CR’s to a space, then convert the #'s to one CR, since that’s all I need. I’d be surprised if Writer was not able to handle 5000 replacments. I used to do this routinely on even longer files with Word 2000 under WinXP.