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Amend 176caed5c7
Forgot to save before committing. How fitting given the topic of this section.
This commit is contained in:
Juergen Spitzmueller
parent
176caed5c7
commit
cbcc369a94
@ -1097,7 +1097,7 @@ Safety Nets:
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\begin_layout Standard
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\change_inserted -712698321 1676623839
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\change_inserted -712698321 1676623979
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\SpecialChar LyX
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lays much stress on safety.
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We know how much effort you invest in your work,
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@ -1107,7 +1107,7 @@ Safety Nets:
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\SpecialChar LyX
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might crash (although we put in all effort that it doesn't),
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you might face a power outage while you are working on a document with unsaved changes,
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disks might get corrupt or files might get lost or damaged during synchronization.
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disks might get corrupt or files might get lost or damaged during synchronization or simply because you deleted it by mistake.
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For such cases,
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\SpecialChar LyX
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provides a multi-layered safety net that will hopefully prevent you from major hassles.
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@ -1128,6 +1128,336 @@ reference "subsec:Backup documents"
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),
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but all measures are on by default to provide you with most possible security.
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\end_layout
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\begin_layout Standard
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\change_inserted -712698321 1676624009
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In what follows,
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we elaborate on the diverse files and when they might become useful.
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\end_layout
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\begin_layout Subsection
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\change_inserted -712698321 1676624109
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Backup Files
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\end_layout
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\begin_layout Standard
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\change_inserted -712698321 1676624410
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By default,
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\SpecialChar LyX
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makes backup copies of files when they are saved.
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These files normally are stored in the same directory than the original file and with the same file name but the extension
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\family typewriter
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.lyx~
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\family default
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(e.
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\begin_inset space \thinspace{}
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\end_inset
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g.,
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\family typewriter
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myfile.lyx~
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\family default
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).
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If you prefer to have all backups in a central place (and maybe on a separate disk),
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you can specify a
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\family sans
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Backup Path
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\family default
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in preferences (see section
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\begin_inset space ~
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\end_inset
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\begin_inset CommandInset ref
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LatexCommand ref
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reference "sec:Paths"
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plural "false"
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caps "false"
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noprefix "false"
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nolink "false"
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\end_inset
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),
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then all backups are stored there.
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In order to prevent file name clashes,
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the files then do not simply have the original file name,
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but also the path in their name,
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separated by
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\begin_inset Quotes eld
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\end_inset
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!
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\begin_inset Quotes erd
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\end_inset
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(e.
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\begin_inset space \thinspace{}
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\end_inset
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g.,
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\family typewriter
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!home!paula!work!myfile.lyx~
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\family default
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).
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\end_layout
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\begin_layout Standard
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\change_inserted -712698321 1676624464
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Note that some file managers hide backup files by default,
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and you need to enable
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\begin_inset Quotes eld
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\end_inset
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Show hidden files
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\begin_inset Quotes erd
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\end_inset
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in order to see them.
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\end_layout
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\begin_layout Standard
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\change_inserted -712698321 1676624516
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Backup files provide the latest saved version of a document.
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They are never deleted by \SpecialChar LyX
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,
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but overwritten if new changes are saved in the original file.
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\end_layout
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\begin_layout Subsection
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\change_inserted -712698321 1676624541
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Auto-save snapshots
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\end_layout
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\begin_layout Standard
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\change_inserted -712698321 1676624657
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By default,
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\SpecialChar LyX
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also makes automatic snapshots of all opened documents that have unsaved changes in a regular time interval (which can be adjusted in preferences,
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see section
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\begin_inset space ~
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\end_inset
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\begin_inset CommandInset ref
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LatexCommand ref
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reference "subsec:Backup documents"
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\end_inset
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).
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As opposed to the backup files,
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these also contain unsaved changes and thus might be newer than the backups.
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\end_layout
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\begin_layout Standard
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\change_inserted -712698321 1676624841
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These files are always stored in the same directory than the original file and with the same name,
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but embraced by
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\begin_inset Quotes eld
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\end_inset
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#
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\begin_inset Quotes erd
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\end_inset
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(e.
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\begin_inset space \thinspace{}
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\end_inset
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g.,
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\family typewriter
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#myfile.lyx#
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\family default
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).
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Auto-save snapshots are deleted when a document is closed normally,
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i.
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\begin_inset space \thinspace{}
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\end_inset
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e.,
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with all changes saved.
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They are left on disk in case of non-normal termination (e.
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\begin_inset space \thinspace{}
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\end_inset
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g.,
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program crash or power outage),
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and this is when they might become useful.
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\end_layout
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\begin_layout Subsection
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\change_inserted -712698321 1676624864
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Emergency files
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\end_layout
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\begin_layout Standard
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\change_inserted -712698321 1676624951
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If \SpecialChar LyX
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crashes and documents have unsaved changes,
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the program furthermore tries to write an emergency file,
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which is a version of the document containing all unsaved changes.
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\end_layout
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\begin_layout Standard
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\change_inserted -712698321 1676625158
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These files are always stored in the same directory than the original file and with the same name but the extension
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\family typewriter
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.lyx.emergency
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\family default
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(e.
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\begin_inset space \thinspace{}
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\end_inset
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g.,
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\family typewriter
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myfile.lyx.emergency
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\family default
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).
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When the respective document is reopened with \SpecialChar LyX
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next time,
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the application recognizes the emergency file and asks you whether it should try to recover your file to that last state.
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If you agree,
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it will do so,
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and if this succeeds it will ask you next whether the emergency file can be deleted.
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Agree on this only after you checked that everything has been correctly recovered!
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\end_layout
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\begin_layout Subsection
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\change_inserted -712698321 1676625213
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Backup files from old \SpecialChar LyX
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versions
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\end_layout
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\begin_layout Standard
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\change_inserted -712698321 1676625452
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If you open a \SpecialChar LyX
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document for the first time with a new major version of \SpecialChar LyX
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,
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it gets converted to the new file format (allowing for new features).
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In such cases,
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\SpecialChar LyX
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keeps a copy of the old version,
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named as
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\family typewriter
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<filename>-lyxformat-<n>.lyx
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\family default
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,
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where <n> is the old format (e.
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\begin_inset space ~
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\end_inset
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g.,
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\family typewriter
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myfile-lyxformat-474.lyx
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\family default
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).
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Those files are stored at the same location than the backup files,
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that is alongside the original document or,
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if specified,
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in the backup directory.
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\end_layout
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\begin_layout Standard
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\change_inserted -712698321 1676625483
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As with backup files,
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these files are never deleted by \SpecialChar LyX
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.
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\end_layout
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\begin_layout Subsection
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\change_inserted -712698321 1676625510
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When to Use Which File?
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\end_layout
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\begin_layout Standard
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\change_inserted -712698321 1676625539
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Now why all these files?
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Because they have different purposes.
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Generally spoken:
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\end_layout
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\begin_layout Standard
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\change_inserted -712698321 1676625820
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If \SpecialChar LyX
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terminates unexpectedly,
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\end_layout
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\begin_layout Enumerate
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\change_inserted -712698321 1676625790
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first try to restore from the emergency file (by reopening the document in \SpecialChar LyX
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).
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This file has the latest changes,
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even changes you made after the last auto-save snapshot has been made.
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\end_layout
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\begin_layout Enumerate
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\change_inserted -712698321 1676626031
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If the rescue file way did not work because there is no rescue file (e.
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\begin_inset space \thinspace{}
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\end_inset
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g.,
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after a power outage) or if the rescue file is damaged (it might happen in mean cases that the rescue files contains just that latest addition that makes \SpecialChar LyX
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crash!),
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look if there is an auto-save snapshot.
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If so,
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rename it (not to the original file name unless you checked it) and see if that works for you.
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In the worst case (with the default setting at least),
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you will have lost maximally 5 minutes of work.
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\end_layout
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\begin_layout Enumerate
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\change_inserted -712698321 1676626178
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If there is no auto-save snapshot or this one is garbled as well,
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use the backup file.
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It does not have all the unsaved changes,
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but it might still be the most recent you can get.
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This is particularly the case if the original file itself got lost or is damaged.
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\end_layout
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\begin_layout Standard
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\change_inserted -712698321 1676626301
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The fourth type of file,
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the backup file from old versions,
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is useful if the conversion process did not work and results in a non-working document (although we put in all efforts to prevent this) or if you mistakenly opened and saved a document with a newer version (such as a development version) and actually want to keep on using the old version.
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\end_layout
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\begin_layout Standard
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\change_inserted -712698321 1676626368
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So much for the safety net.
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We hope you will not not it,
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but if so,
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that it catches you as high up as possible.
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Now let us turn to the actual writing process.
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\change_unchanged
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\end_layout
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