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Revert massive replacement of empty list creation sentences. The use of '[list]' instead of '{}' adds semantics that could be used for performance improvements in the future, such as using a different internal representation. There is already work in this direction, avoiding the generation of the string representation during comparison of empty strings (huge thanks to Stefan Sobernig for the pointer: https://core.tcl.tk/tcl/info/44527c632ed609c2).

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Prefer '{}' to '[list]' when creating empty lists

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- standardize url construction to protect against injection attacks

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- improve page-contracts

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overhaul of package:

- favor tcl-compilable string comparisons

- don't use numeric comparison operator for non-numeric arguments

- brace expressions

- replace depreacted "ad_parameter" by parameter::get

- use "in" or "ni" expression instead of "lsearch"

- use tcl 8.5 extended index format for "string range"

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Add rss_file_url parmameter to allow admin to advertise alternative RSS

url. Useful for feed services such as feedburner.

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Replace header_stuff properties with template::head calls

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First shot at merging oacs-5-2 apps used in .LRN to HEAD.

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Fixed multiple issues with missing date format description, categorization and others. Increased dependency

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improving user interface

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fixing blog-query, improving usability

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commit to OACS-5-2 merge of changes on OACS-5-1

(using tag vg-merge-dotlrn-2-1-20050922) for packages under dotlrn-all

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I18N Fixes

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add ImmediatePublishP and OnlyManageOwnPostsP parameters for running weblog as a public noticeboard

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add a delete link, change Draft to Unpublish

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hide cats if none assigned

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commit to HEAD of merge of changes on oacs-5-1 branch between tags jcd-merge-5-1-20040724 and jcd-merge-5-1-20050111

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Applying patch 386, fixes bug 1274: link to start your weblog is shown

to everyone with write permission.

merge of changes on oacs-5-1 branch between tags jcd-merge-5-1-20040517 and jcd-merge-5-1-20040628 to HEAD

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Show all entries when viewing by category

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merge all the changes on the oacs-5-1 and dotlrn-2-0 branches up to tag jcd-merge-20040420

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Fixed bug #1645: clicking on the context when viewing an archive messes up url

Add a CategoryContainer parameter which defaults to package_id but can

be subsite_id (when lars-blogger should use the same catagory trees as the subsite,

might make sense to support mainsite as well).

Categories now display with counts and indented to reflect structure,

currently omits empty categories.

bump version for paramter, bump dependency for categories since it uses

category_tree::get_multirow now.

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Merged in changes from openacs-5-0-0-final to jcd-merge-pre503

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Commiting integration of Site Wide Categories into Weblogger. While

implementing this I've also fixed numerous random bugs.

Some comments off the top of my head regarding this implementation:

* Weblogger currently doesn't take advantage of nested categories. You

can use trees that are nested but categories in those trees are

treated as if they were all flat.

* I've provided a migration script from old to new categories. The

script just copies data and doesn't delete anything. It is written

in Tcl so that it can take advantage of the APIs.

* I left the legacy categories in system. There are several reasons

for that:

- Site-Wide categories don't have short names and thus speaking

URLs are not implemented. Some people might prefer to keep

speaking URLs, especially if they don't want to break them

after migration

- Blogger-specific categories are simpler and thus easier to use.

- Having both solutions available for a while makes transition less

painful.

* I had lots of problems with Oracle port. At first I thought just

that it is slightly instable because we are working on HEAD and

categories are in flux... Only after having fixed a lot of bugs I

realized that LEGACY CATEGOIRIES NEVER WORKED IN ORACLE. At that

point it was easier to make them actually work in oracle :-)

* Actually it seems that the whole Weblogger never worked in Oracle, I

was fixing bugs such as broken filtering by date (because Oracle's

trunc() uses different format strings from PostgreSQL's date_trunc()

etc. etc.

* Juggling pieces of Tcl from .tcl to .xql (via variable and command

substitution) and pieces of SQL from .xql to .tcl (via db_map) was

fun :-)

* Implementing nested multirows (to show all categories one object is

in), in combination with included templates thought me a lot about

the templating system. One of the lessons: <multirow name="@foo@">

with variable could actually work if a bunch of bugs with variable

substitution were fixed in templating system. Until then using:

template::multirow -local -ulevel 1 upvar $foo myfoo will be

necessary.

* Some extensions for db_multirow, <multiple> and friends to support

grouping and tables-within-tables would be really useful. I didn't

dare do such large-scale hacks on db_multirow

* one-entry{tcl,adp} should be replaced with blog{tcl,adp} - after all

getting one entry is just a special case of getting many entries.

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Some more sw_categories stuff which I forgot to check in before.

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Committed lots of fixes from Joel

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Added site-wide categories plus fixed the completely broken decision tree in the .vuh.

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Honor untrusted_user_id

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Add RSD link and cleanup generation of headerstuff content

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