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| -rw-r--r-- | lispref/tips.texi | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lispref/tips.texi b/lispref/tips.texi index 3d46466832b..c66b71033c2 100644 --- a/lispref/tips.texi +++ b/lispref/tips.texi @@ -246,6 +246,17 @@ only for program-generated buffers.) The users will find Emacs more coherent if all libraries use the same conventions. @item +Try to avoid compiler warnings about undefined free variables, by adding +@cdode{defvar} definitions for these variables. + +If you bind a variable in one function, and use it or set it in another +function, the compiler warns about the latter function unless the +variable has a definition. But often these variables have short names, +and it is not clean for Lisp packages to define such variables names. +Therefore, you should rename the variable to start with the name prefix +used for the other functions and variables in your package. + +@item Indent each function with @kbd{C-M-q} (@code{indent-sexp}) using the default indentation parameters. |