diff options
| -rw-r--r-- | txr.1 | 14 |
1 files changed, 11 insertions, 3 deletions
@@ -5024,9 +5024,10 @@ arugments are symbols, they are treated according to Lisp-2 namespacing rules. Additionally, if there is an expression in the dotted position, it is also evaluated. It should evaluate to a sequence: a list, vector or string. The elements of the sequence generate additional arguments for the function -call. In some other Lisp dialects, a function called apply (or similar) must -be used to do the same thing, and applying sequences other than lists is not -supported. +call. Note, however, that a compound form cannot be used in the dot position, +for obvious reasons, namely that (a b c . (foo z)) does not mean that there is +a compound form in the dot position, but a different spelling for +(a b c foo z), where foo behaves as a variable. The DWIM brackets are similar, except that the first position is an arbitrary expression which is evaluated according to the same rules as the remaining @@ -5052,6 +5053,13 @@ Examples: [c 1] ;; indexes into vector #(5 6 7) to yield 6 +.TP Dialect Note: + +In some other Lisp dialects, the improper list syntax is not supported; +a function called apply (or similar) must be used for application even if +the expression which gives the trailing arguments is a symbol. Moreover, +applying sequences other than lists is not supported. + .SS Regular Expressions In TXR Lisp, the / character can occur in symbol names, and the / token |