[PATCH] Not command (!) support for GRUB script

[BVK Chaitanya]

Hi,


Attached patch adds "not" command (!) support to GRUB script.  Adding
this feature to GRUB script core, interestingly, *reduced* normal.mod
size by a few bytes :)  This is because I removed special handling of
"!" character from flex's lexical analyzer.  It seems we can save
2-3KB further by removing unnecessary regex rules ino
grub-core/script/yylex.l, but we can revisit it later when normal.mod
size really becomes critical.



bvk.chaitanya

not-cmd.patch
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