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# This makes defining styles a bit simpler by using a single `+' as a
# special token that allows one to append a context name to the
# previously used context name. Like this:
#
# zstyle+ ':foo:bar' style1 value1 \
# + ':baz' style2 value2 \
# + ':frob' style3 value3
#
# This defines style1 with value1 for the context :foo:bar as usual.
# But it also defines styles2 with value2 for the context :foo:bar:baz
# and style3 with value3 for :foo:bar:frob.
# Of course, any of the sub-contexts after the plus signs may be
# empty strings to re-use the previous context unchanged.
#
# If you don't want to change all your calls to `zstyle' to use
# `zstyle+' you can use an alias `alias zstyle=zstyle+' and make sure
# the completion functions are autoloaded without alias expansion (the
# -U option to the autoload builtin). The completion system normally
# loads its functions with without alias expansion.
case "$1" in
-*) zstyle "$@";;
*) setopt localoptions noksharrays
integer i
local context="$1"
1=''
for ((i=2; $#; ++i)); do
if [[ $i -gt $# || "$argv[i]" == '+' ]]; then
zstyle "$context${(@)argv[1,i-1]}"
shift "i > $# ? $# : i" # Stupid shift error on i > $#
i=1
fi
done;;
esac
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