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authorexiftool <exiftool@users.sourceforge.net>2019-12-12 09:13:17 -0500
committerexiftool <exiftool@users.sourceforge.net>2019-12-12 09:13:17 -0500
commit4ea97eb5e9243313751f4309f0298e98ccab28cf (patch)
tree01851b551a385418686d9b7b2d8b8eaeeae7b45f /lib/Image/ExifTool/README
parentca8685788f5763c547349f239764bd19cf1952da (diff)
Update to 11.79
Diffstat (limited to 'lib/Image/ExifTool/README')
-rw-r--r--lib/Image/ExifTool/README27
1 files changed, 15 insertions, 12 deletions
diff --git a/lib/Image/ExifTool/README b/lib/Image/ExifTool/README
index 4cf4bcd5..bf040ad0 100644
--- a/lib/Image/ExifTool/README
+++ b/lib/Image/ExifTool/README
@@ -767,18 +767,21 @@ numerical, and generated automatically otherwise.
writing. Writable may be set to 1 for MakerNotes information
because the existing format is always used, however providing
a format is desireable because it is used in validating the
- value. For EXIF tables, the Writable flag may be different
- than the Format flag, in which case Format is used for
- converting the binary value and Writable specifies the format
- code written to the EXIF IFD. For SubDirectories in EXIF
- information, this flag is only defined if the SubDirectory is
- writable as a block, or if the SubDirectory can not be edited
- (in which case Writable is set to 0). If non-zero, the
- SubDirectory is also extracted as a block, so the Binary and
- Protected flags should usually set as well. There is
- currently no way to specify a write format for a SubDirectory
- that is not writable as a block (the default is 'int32u' for
- IFD-type SubDirectories, and 'undef' for all others).
+ value. Set to 2 for tag to show "yes" in the Writable column
+ of the tag name documentation even when there is no WRITE_PROC
+ defined (eg. if it is written via an Extra tag). For EXIF
+ tables, the Writable flag may be different than the Format
+ flag, in which case Format is used for converting the binary
+ value and Writable specifies the format code written to the
+ EXIF IFD. For SubDirectories in EXIF information, this flag
+ is only defined if the SubDirectory is writable as a block, or
+ if the SubDirectory can not be edited (in which case Writable
+ is set to 0). If non-zero, the SubDirectory is also extracted
+ as a block, so the Binary and Protected flags should usually
+ set as well. There is currently no way to specify a write
+ format for a SubDirectory that is not writable as a block (the
+ default is 'int32u' for IFD-type SubDirectories, and 'undef'
+ for all others).
WriteAlso : Used for writable tag to specify other tags to write when this
tag is written. The value is a hash reference. The hash keys