diff options
| author | Philip Hazel <ph10@hermes.cam.ac.uk> | 2004-11-17 16:12:26 +0000 |
|---|---|---|
| committer | Philip Hazel <ph10@hermes.cam.ac.uk> | 2004-11-17 16:12:26 +0000 |
| commit | 063b1e99b3c8f8fd646b4db4ad87f36952cc9366 (patch) | |
| tree | 1a72df4371d4a3f46bb6e4995bf90c93fc8b9c0f /doc | |
| parent | 14702f5b13007409b29615f2a2ad1b141a4b9561 (diff) | |
Allow both strings to be omitted in "${if" expansions: the true value
defaults to "true", which works nicely for "condition" conditions (the
false value has always defaulted to "").
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/doc-txt/ChangeLog | 7 | ||||
| -rw-r--r-- | doc/doc-txt/NewStuff | 20 |
2 files changed, 25 insertions, 2 deletions
diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog index 251de3fd4..59bc0b94c 100644 --- a/doc/doc-txt/ChangeLog +++ b/doc/doc-txt/ChangeLog @@ -1,4 +1,4 @@ -$Cambridge: exim/doc/doc-txt/ChangeLog,v 1.30 2004/11/17 15:21:10 ph10 Exp $ +$Cambridge: exim/doc/doc-txt/ChangeLog,v 1.31 2004/11/17 16:12:26 ph10 Exp $ Change log file for Exim from version 4.21 ------------------------------------------- @@ -129,6 +129,11 @@ Exim version 4.44 have increased the buffer size for the ${rfc2047: expansion operator from 1024 to 2048 bytes. +33. It is now permitted to omit both strings after an "if" condition; if the + condition is true, the result is "true". As before, when the second string + is omitted, a false condition yields an empty string. This makes it less + cumbersome to write custom ACL and router conditions. + Exim version 4.43 ----------------- diff --git a/doc/doc-txt/NewStuff b/doc/doc-txt/NewStuff index 7421078bc..d5d340713 100644 --- a/doc/doc-txt/NewStuff +++ b/doc/doc-txt/NewStuff @@ -1,4 +1,4 @@ -$Cambridge: exim/doc/doc-txt/NewStuff,v 1.10 2004/11/17 14:32:25 ph10 Exp $ +$Cambridge: exim/doc/doc-txt/NewStuff,v 1.11 2004/11/17 16:12:26 ph10 Exp $ New Features in Exim -------------------- @@ -90,6 +90,24 @@ Version 4.44 to find the amount of free space (only true for experimental systems), the space value is -1. +11. It is now permitted to omit both strings after an "if" condition; if the + condition is true, the result is the string "true". As before, when the + second string is omitted, a false condition yields an empty string. This + makes it less cumbersome to write custom ACL and router conditions. For + example, instead of + + condition = ${if eq {$acl_m4}{1}{yes}{no}} + + or the shorter form + + condition = ${if eq {$acl_m4}{1}{yes}} + + (because the second string has always defaulted to ""), you can now write + + condition = ${if eq {$acl_m4}{1}} + + Previously this was a syntax error. + Version 4.43 ------------ |