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  • How can I start learning Emacs Lisp? - Emacs Stack Exchange
    The Elisp manual - mostly a reference, but some good usage guidance and conceptual info too It's built into Emacs: C-h i then choose the Elisp manual The Emacs Lisp Intro - step-by-step intro to Lisp and Emacs Lisp Also built into Emacs and available from C-h i Since you've used Common Lisp it will be super easy to pick up Emacs Lisp
  • elisp - How do you return from a function at an arbitrary point . . .
    Note that if you don't have a preference for the CL syntax, catch throw is more idiomatic in elisp, as other approaches are ultimately implemented in terms of catch throw The elisp manual says: "Most other versions of Lisp, including Common Lisp, have several ways of transferring control nonsequentially: return, return-from, and go, for
  • elisp - Is using cl-lib crucial for writing good Emacs Lisp code . . .
    Is cl-lib giving elisp Common Lisp a common (or desirable) occurrence in best-practice elisp coding? I guess I'm looking also for "best practice" guidance here But then "best practice" questions can be interpreted either way: as legitimate stackexchange-compliant question, or as a matter of opinion
  • elisp - Whats the difference between push and add-to-list? - Emacs . . .
    From the Emacs documentation, or C-h f push: Macro: push element listname This macro creates a new list whose car is element and whose cdr is the list specified by listname, and saves that list in listname
  • variables - elisp: What does setf do? - Emacs Stack Exchange
    See the manual page (info "(elisp) Setting Generalized Variables") for the details As @phils and @tobias point out in comments, setf doesn't change Emacs' normal scoping behaviour However, for the novice (like me in this case), it does some things that might suprise you When you set the value of a symbol, you're really defining a pointer
  • elisp - Advantages of setting variables with setq instead of custom. el . . .
    The whole customize thing is rather complex Without it, the emacs system is much simpler The customize is a layer that doesn't exactly mesh well with elisp For one thing, it order all vars by alphabets Also, many customization are not about variables (e g hooks, keys) so can't use customize So you have a situation of manual elisp code anyway
  • elisp - Lambda in `defun` Captures the Lexical Environment, But in `let . . .
    Obviously elisp has evolved since, and the cl cl-lib library does explicitly provide a heap of Common Lisp-isms; but those aside I don't believe there was ever any attempt to provide parity with CL specifically (RMS wasn't a fan of CL, as I understand it) They are both Lisps (and Lisp-2s) so they'll have lots in common by default, but there
  • elisp - How to print and read a list to (from) a file? - Emacs Stack . . .
    See C-hig (elisp)Output Functions to understand the difference between (and relevance to your question of) princ and prin1 (But in short, change %s to %S or, better, just use prin1 directly ) For reading back you would typically insert-file-contents into a buffer and then read





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