diff options
Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 23 |
1 files changed, 20 insertions, 3 deletions
@@ -10357,7 +10357,7 @@ splice the value of .codn x* . In this situation, whitespace between the comma and the -variable name should be used: +variable name must be used: .codn ", *x*" . .meIP >> ,* expr @@ -10376,14 +10376,31 @@ is evaluated to produce the list .codn "(6 8)" , and this list is spliced into the quoted template. -Dialect note: in other Lisp dialects, the equivalent syntax is usually +.TP* "Dialect Notes:" + +In other Lisp dialects, like Scheme and ANSI Common Lisp, the equivalent syntax +is usually .code ,@ (comma at). The .code @ -character already has an assigned meaning, so +character already has an assigned meaning in \*(TX, so .code * is used. +However, +.code * +is also a character that may appear in a symbol name, which creates +a potential for ambiguity. The syntax +.code ,*abc +denotes the application of the +.code ,* +splicing operator to the symbolic expression +.codn abc ; +to apply the ordinary non-splicing unquote to the symbol +.codn *abc , +whitespace must be used: +.codn ", *abc" . + .NP* Quasiquoting non-List Objects Quasiquoting is supported over hash table and vector literals (see Vectors and Hashes below). A hash table or vector literal can be quoted, like any |