diff options
Diffstat (limited to 'src/eval.c')
| -rw-r--r-- | src/eval.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/eval.c b/src/eval.c index 1f4f852bdcd..64913895b44 100644 --- a/src/eval.c +++ b/src/eval.c @@ -884,7 +884,9 @@ definitions to shadow the loaded ones for use in file byte-compilation.") DEFUN ("catch", Fcatch, Scatch, 1, UNEVALLED, 0, "(catch TAG BODY...): eval BODY allowing nonlocal exits using `throw'.\n\ -TAG is evalled to get the tag to use. Then the BODY is executed.\n\ +TAG is evalled to get the tag to use; it must not be nil.\n\ +\n\ +Then the BODY is executed.\n\ Within BODY, (throw TAG) with same tag exits BODY and exits this `catch'.\n\ If no throw happens, `catch' returns the value of the last BODY form.\n\ If a throw happens, it specifies the value to return from `catch'.") |