The Clixon API has been extended with namespaces, or namespace contexts in the following cases:
* CLIspec functions have added namespace parameter:
* `cli_show_config <db> <format> <xpath>` --> `cli_show_config <db> <format> <xpath> <namespace>`
* `cli_copy_config <db> <xpath> ...` --> `cli_copy_config <db> <xpath> <namespace> ...`
* Xpath API
* `xpath_first(x, format, ...)` --> `xpath_first(x, nsc, format, ...)`
* `xpath_vec(x, format, vec, veclen, ...)` --> `xpath_vec(x, nsc, format, vec, veclen, ...)`
* `xpath_vec_flag(x, format, flags, vec, veclen, ...)` --> `xpath_vec_flag(x, format, flags, vec, veclen, ...)`
* `xpath_vec_bool(x, format, ...)` --> `xpath_vec_bool(x, nsc, format, ...)`
* `xpath_vec_ctx(x, xpath, xp)` --> `xpath_vec_ctx(x, nsc, xpath, xp)`
* xmldb_get0 has an added `nsc` parameter:
* `xmldb_get0(h, db, xpath, copy, xret, msd)` --> `xmldb_get0(h, db, nsc, xpath, copy, xret, msd)`
* The plugin statedata callback (ca_statedata) has been extended with an nsc parameter:
* `int example_statedata(clicon_handle h, cvec *nsc, char *xpath, cxobj *xstate);`
* rpc get and get-config api function has an added namespace argument:
* `clicon_rpc_get_config(clicon_handle h, char *db, char *xpath, char *namespace, cxobj **xt);`
* `int clicon_rpc_get(clicon_handle h, char *xpath, char *namespace, cxobj **xt);`
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