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Posted to dev@velocity.apache.org by "Will Glass-Husain (JIRA)" <de...@velocity.apache.org> on 2007/04/27 13:03:15 UTC

[jira] Created: (VELOCITY-542) minus sign in #set requires spaces to surround it

minus sign in #set requires spaces to surround it
-------------------------------------------------

                 Key: VELOCITY-542
                 URL: https://issues.apache.org/jira/browse/VELOCITY-542
             Project: Velocity
          Issue Type: Bug
          Components: Engine
    Affects Versions: 1.5
            Reporter: Will Glass-Husain
            Priority: Minor


The following example:

#set($thisCampNumber = 10)
#set($nextCampNumber = $thisCampNumber+1)
#set($previousCampNumber = $thisCampNumber-1)
#set($previousCampNumberB = $thisCampNumber - 1)

1: $thisCampNumber<br>
2: $nextCampNumber<br>
3: $previousCampNumber<br>
4: $previousCampNumberB<br>

produces this result

1: 10
2: 11
3: $previousCampNumber
4: 9


Note that using a minus sign in a #set statement does not work if there are no spaces around it.  (however, the same is not true for +).

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[jira] Commented: (VELOCITY-542) minus sign in #set requires spaces to surround it

Posted by "Nathan Bubna (JIRA)" <de...@velocity.apache.org>.
    [ https://issues.apache.org/jira/browse/VELOCITY-542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12492313 ] 

Nathan Bubna commented on VELOCITY-542:
---------------------------------------

This is because '-' is a valid character in a reference.

Try  doing #set( $thisCampNumber-1 = "hello world" ) before running your test.

> minus sign in #set requires spaces to surround it
> -------------------------------------------------
>
>                 Key: VELOCITY-542
>                 URL: https://issues.apache.org/jira/browse/VELOCITY-542
>             Project: Velocity
>          Issue Type: Bug
>          Components: Engine
>    Affects Versions: 1.5
>            Reporter: Will Glass-Husain
>            Priority: Minor
>
> The following example:
> #set($thisCampNumber = 10)
> #set($nextCampNumber = $thisCampNumber+1)
> #set($previousCampNumber = $thisCampNumber-1)
> #set($previousCampNumberB = $thisCampNumber - 1)
> 1: $thisCampNumber<br>
> 2: $nextCampNumber<br>
> 3: $previousCampNumber<br>
> 4: $previousCampNumberB<br>
> produces this result
> 1: 10
> 2: 11
> 3: $previousCampNumber
> 4: 9
> Note that using a minus sign in a #set statement does not work if there are no spaces around it.  (however, the same is not true for +).

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[jira] Commented: (VELOCITY-542) minus sign in #set requires spaces to surround it

Posted by "Nathan Bubna (JIRA)" <de...@velocity.apache.org>.
    [ https://issues.apache.org/jira/browse/VELOCITY-542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12492680 ] 

Nathan Bubna commented on VELOCITY-542:
---------------------------------------

I should note that i didn't suggest any course of action, because i'm ambivalent about the state of this.   This is a "feature" that i believe few know about or use.  While i don't think we should change it in the 1.x series, i wouldn't oppose dropping '-' from the set of valid reference characters in 2.0.   Of course, I wouldn't champion that either, so i won't re-open and assign this to that version myself.

> minus sign in #set requires spaces to surround it
> -------------------------------------------------
>
>                 Key: VELOCITY-542
>                 URL: https://issues.apache.org/jira/browse/VELOCITY-542
>             Project: Velocity
>          Issue Type: Bug
>          Components: Engine
>    Affects Versions: 1.5
>            Reporter: Will Glass-Husain
>            Priority: Minor
>
> The following example:
> #set($thisCampNumber = 10)
> #set($nextCampNumber = $thisCampNumber+1)
> #set($previousCampNumber = $thisCampNumber-1)
> #set($previousCampNumberB = $thisCampNumber - 1)
> 1: $thisCampNumber<br>
> 2: $nextCampNumber<br>
> 3: $previousCampNumber<br>
> 4: $previousCampNumberB<br>
> produces this result
> 1: 10
> 2: 11
> 3: $previousCampNumber
> 4: 9
> Note that using a minus sign in a #set statement does not work if there are no spaces around it.  (however, the same is not true for +).

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[jira] Resolved: (VELOCITY-542) minus sign in #set requires spaces to surround it

Posted by "Will Glass-Husain (JIRA)" <de...@velocity.apache.org>.
     [ https://issues.apache.org/jira/browse/VELOCITY-542?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Will Glass-Husain resolved VELOCITY-542.
----------------------------------------

    Resolution: Won't Fix

ok, guess I'm satisfied with Nathan's explanation.

> minus sign in #set requires spaces to surround it
> -------------------------------------------------
>
>                 Key: VELOCITY-542
>                 URL: https://issues.apache.org/jira/browse/VELOCITY-542
>             Project: Velocity
>          Issue Type: Bug
>          Components: Engine
>    Affects Versions: 1.5
>            Reporter: Will Glass-Husain
>            Priority: Minor
>
> The following example:
> #set($thisCampNumber = 10)
> #set($nextCampNumber = $thisCampNumber+1)
> #set($previousCampNumber = $thisCampNumber-1)
> #set($previousCampNumberB = $thisCampNumber - 1)
> 1: $thisCampNumber<br>
> 2: $nextCampNumber<br>
> 3: $previousCampNumber<br>
> 4: $previousCampNumberB<br>
> produces this result
> 1: 10
> 2: 11
> 3: $previousCampNumber
> 4: 9
> Note that using a minus sign in a #set statement does not work if there are no spaces around it.  (however, the same is not true for +).

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