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If there is a file open, you can open another "corrupted" file by using Heroic open (ESC o H). I have discovered a very very useful function of this command: open a file which is to high a level for the current FM.
I currently have severe problems with FM-16.0.0.754: as soon as the file explorer becomes involved, FM quits without further notice (no message, no dump, no sound, no grunt…). See bug FRMAKER-9277.
Hence I could not save my work done in FM-16 to the lower level to continue with FM-15.
But then...
I opened the FM-16 file in my text editor and changed the <MakerFile 16.0> at the very beginning of the file to <MakerFile 15.0>. Of course this violates the checksum - hence the file is considered corrupted.
But alas; it can be opened in FM-15 with Heroic Open!
Good save the Queen! - or better: the programmer who had programmed this feature!
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Klaus,
Thanks for the report. Heroic Open hasn't been discussed in a while, and I'm glad to hear the feature is evidently being maintained.
It's not exactly well documented, so I expected there are cases where it won't work.
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After a number of tests with various versions of FM creating files and trying to open them heroically in a lower version of FM: Heroic open is the last straw! But it may break also:
In the following table FMxx→yy means: created by FM xx, first bytes modfied to yy.
Current FM |
Opening heroically |
Result, message |
15 |
SimpleFM16→15.fm |
Correctly opened |
15 |
SimpleFM16→14.fm |
There was a problem reading this file. Please check your file system, disk, and network. |
15 |
SimpleFM16→13.fm |
There was a problem reading this file. Please check your file system, disk, and network. |
14 |
SimpleFM15→14.fm |
FM crashes after a while during open. |
14 |
SimpleFM16→15.fm |
Although …\Simple FM16—15.fm appears to be a FrameMaker document, it can’t be opened with this release of the product. |
14 |
SimpleFM16→14.fm |
There was a problem reading this file. Please check your file system, disk, and network. |