Update cmi_specializedcmds.txt

[MrCrazys]

• Added new specialized command operator (~).
• Added page labels (introduced in CMI version 9.3.2.0).
• Added ender argument to isempty specialized command.
• Changed cmi_specializedcommands to cmi_specializedcmds in the index area.

[MrCrazys]

Great, tweaks are fine, updates are correct, spelling/grammar seems to be sorted. Thumbsup.

😄