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| -rw-r--r-- | txr.1 | 19 |
1 files changed, 14 insertions, 5 deletions
@@ -60037,12 +60037,21 @@ would arrange for the evaluation of .code a as a variable, rather than treating it as the symbol .code a -itself. Beside using the compatibility mechanism, a workaround is to -use a list of keys, exemplified by a rewrite of the foregoing -expression to +itself. Though the compatibility mechanism restores the behavior, +applications depending on the evaluating behavior should be changed to +instead use +.codn caseq* , +.code caseql* +or +.codn casequal . +A workaround for this bug for \*(TX versions 156 or older is to replace +simple keys with a key list of length one, exemplified by a rewrite of the +foregoing expression to .codn "(caseql x ((a) 0))" . -The other behavior was that empty lists of forms in a clause were -producing a result value of +Here +.code a +is not evaluated. +forms in a clause were producing a result value of .codn t . For example .code "(case 1 (1))" |