Differences

This shows you the differences between two versions of the page.

--- ch2_1_unquote [2021/04/19 16:15] – admin
+++ ch2_1_unquote [2022/02/25 01:47] (current) – admin
@@ Line 6: / Line 6: @@
 >(setq b 3)       ; set value of symbol B
->`(a ,b c)        ; unquoted b
+>`(a ,b c)        ; unquoted B in backquouted list
 (A 3 C)           ; symbols A and C are not evaled, but B is
 </code>
@@ Line 23: / Line 23: @@
 </code>
-If the evaluated element results in list, with unquoting it becomes sub-list of the backqouted list:
+If the evaluated element results in list, with unquoting it becomes sub-list of the backqouted list.
 <code lisp>
@@ Line 30: / Line 30: @@
 </code>
-See splice-unquote for further refinement. The forms BACKQUOTE, UNQUOTE and SPLICE-UNQUOTE are useful for writing macros.
+Important is that if we unqoute pre-existing list, this original list will become sublist, not a copy. ''SPLICE-UNQUOTE'' is different in this.
+See splice-unquote for further refinement. The forms ''BACKQUOTE'', ''UNQUOTE'' and ''SPLICE-UNQUOTE'' are useful for writing macros.