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3.2.2 apropos-command

• ‘[C-u] C-h a’

Function: apropos-command pattern &optional do-all var-predicate ¶

Interactive; show commands (interactively callable functions) that match PATTERN.

‘PATTERN’

• word; search for matches for that word as a substring;
• list of words; search for matches for any two or more of those words;
• regexp

‘DO-ALL’

‘C-u’ prefix, or apropos-do-all is non-nil, also show noninteractive functions.

‘VAR-PREDICATE’

when non-nil, show only variables, and only those that satisfy the predicate ‘VAR-PREDICATE’.