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Rohitt Vashishtha 912e372c4e markdown: Remove !avatar() and !gravatar() syntax.
This particular commit has been a long time coming. For reference,
!avatar(email) was an undocumented syntax that simply rendered an
inline 50px avatar for a user in a message, essentially allowing
you to create a user pill like:

`!avatar(alice@example.com) Alice: hey!`

---

Reimplementation

If we decide to reimplement this or a similar feature in the future,
we could use something like `<avatar:userid>` syntax which is more
in line with creating links in markdown. Even then, it would not be
a good idea to add this instead of supporting inline images directly.

Since any usecases of such a syntax are in automation, we do not need
to make it userfriendly and something like the following is a better
implementation that doesn't need a custom syntax:

`![avatar for Alice](/avatar/1234?s=50) Alice: hey!`

---

History

We initially added this syntax back in 2012 and it was 'deprecated'
from the get go. Here's what the original commit had to say about
the new syntax:

> We'll use this internally for the commit bot.  We might eventually
> disable it for external users.

We eventually did start using this for our github integrations in 2013
but since then, those integrations have been neglected in favor of
our GitHub webhooks which do not use this syntax.

When we copied `!gravatar` to add the `!avatar` syntax, we also noted
that we want to deprecate the `!gravatar` syntax entirely - in 2013!

Since then, we haven't advertised either of these syntaxes anywhere
in our docs, and the only two places where this syntax remains is
our game bots that could easily do without these, and the git commit
integration that we have deprecated anyway.

We do not have any evidence of someone asking about this syntax on
chat.zulip.org when developing an integration and rightfully so- only
the people who work on Zulip (and specifically, markdown) are likely
to stumble upon it and try it out.

This is also the only peice of code due to which we had to look up
emails -> userid mapping in our backend markdown. By removing this,
we entirely remove the backend markdown's dependency on user emails
to render messages.

---

Relevant commits:

- Oct 2012, Initial commit        c31462c278
- Nov 2013, Update commit bot     968c393826
- Nov 2013, Add avatar syntax     761c0a0266
- Sep 2017, Avoid email use       c3032a7fe8
- Apr 2019, Remove from webhook   674fcfcce1
2020-07-07 10:39:44 -07:00
.circleci ci: Test upgrading PostgreSQL 10 -> 12. 2020-06-29 17:18:47 -07:00
.github ci: Move upgrading git for bionic to docker image. 2020-07-06 18:09:15 -07:00
.tx cleanup: Delete trailing newlines. 2019-08-06 23:29:11 -07:00
analytics audit_log: Log acting_user in do_change_user_role. 2020-07-06 17:32:11 -07:00
confirmation python: Convert more percent formatting to Python 3.6 f-strings. 2020-06-14 23:27:22 -07:00
corporate pointer: Remove pointer from UserProfile. 2020-07-03 13:08:40 +00:00
docs puppet: Apply basic PostgreSQL configuration before pg_upgradecluster. 2020-07-06 18:30:16 -07:00
frontend_tests markdown: Remove !avatar() and !gravatar() syntax. 2020-07-07 10:39:44 -07:00
locale i18n: Update translation data from Transifex. 2020-07-01 17:47:24 -07:00
pgroonga migrations: Escape more pedantically in pgroonga.0003_v2_api_upgrade. 2020-06-13 21:50:37 -07:00
puppet zthumbor: Rename thumbor.conf to thumbor_settings.py. 2020-07-06 18:44:58 -07:00
requirements zthumbor: Remove Python 2 residue. 2020-07-06 18:44:58 -07:00
scripts zthumbor: Remove Python 2 residue. 2020-07-06 18:44:58 -07:00
static markdown: Remove !avatar() and !gravatar() syntax. 2020-07-07 10:39:44 -07:00
stubs pysa: Introduce sanitizers, models, and inline marking safe. 2020-06-11 12:57:49 -07:00
templates markdown: Remove !avatar() and !gravatar() syntax. 2020-07-07 10:39:44 -07:00
tools test-install: Do not install rabbitmq in base install. 2020-07-06 18:53:38 -07:00
zerver markdown: Remove !avatar() and !gravatar() syntax. 2020-07-07 10:39:44 -07:00
zilencer audit_log: Log RealmAuditLog when Stream is created. 2020-07-06 17:32:11 -07:00
zproject markdown: Remove !avatar() and !gravatar() syntax. 2020-07-07 10:39:44 -07:00
zthumbor zthumbor: Rename thumbor.conf to thumbor_settings.py. 2020-07-06 18:44:58 -07:00
.browserslistrc webpack: Transpile JS code with Babel. 2019-07-22 17:55:32 -07:00
.codecov.yml codecov: Change threshold to use percentage syntax. 2019-07-20 14:37:04 -07:00
.editorconfig .editorconfig: Add .scss, .hbs; drop weirder rules. 2020-04-22 15:03:08 -07:00
.eslintignore blueslip: Apply ESLint. 2019-11-01 12:13:59 -07:00
.eslintrc.json eslint: Enable comma-dangle for functions. 2020-07-03 16:55:51 -07:00
.gitattributes Revert "gitattributes: Mark yarn.lock as "binary", i.e. suppress diffs." 2019-05-20 19:31:14 -07:00
.gitignore tools: Move CI docker images files into tools/ci. 2020-06-29 16:31:43 -07:00
.gitlint lint: Allow revert commit messages in gitlint. 2018-02-13 09:21:01 -08:00
.isort.cfg requirements: Upgrade isort. 2020-06-26 22:50:01 -07:00
.mailmap mailmap: Add mailmap entry for Aman Agrawal. 2020-05-15 17:11:19 -07:00
.npmignore
.pyre_configuration pysa: Add basic .pyre_configuration and taint.config for pysa. 2020-06-11 12:57:49 -07:00
.sonarcloud.properties tools: Configure Zulip to be scannable by SonarCloud. 2020-06-24 12:41:17 -07:00
.stylelintrc lint: Ban color names in CSS. 2019-01-22 15:33:18 -08:00
.yarnrc .yarnrc: Set ignore-scripts true. 2019-08-28 16:15:54 -07:00
CODE_OF_CONDUCT.md docs: Convert many http URLs to https. 2020-03-26 21:35:32 -07:00
CONTRIBUTING.md docs: Update most remaining references to zulipchat.com. 2020-06-08 18:10:45 -07:00
Dockerfile-postgresql base Zulip PostgreSQL Docker container on PGroonga official one 2019-12-30 10:20:25 -08:00
LICENSE docs: Bump copyright year. 2020-04-23 16:04:54 -07:00
NOTICE license: Move license application notice from LICENSE to NOTICE. 2018-10-02 12:04:44 -07:00
README.md docs: Update URLs to use https://zulip.com. 2020-06-08 18:10:45 -07:00
SECURITY.md docs: Create GitHub SECURITY.md file. 2020-06-25 15:23:22 -07:00
Vagrantfile vagrant: Remove uartmode1 woarkound. 2020-06-22 14:56:38 -07:00
babel.config.js babel: Enable loose mode. 2020-02-05 11:52:52 -08:00
manage.py python: Sort imports with isort. 2020-06-11 16:45:32 -07:00
mypy.ini zthumbor: Fix strict_optional errors. 2020-07-06 11:25:48 -07:00
package.json dependencies: Upgrade JavaScript dependencies. 2020-06-07 11:06:57 -07:00
postcss.config.js webpack: Move CSS minification to optimization stage. 2019-09-02 21:58:13 -07:00
tsconfig.json tsconfig: Enable resolveJsonModule. 2020-05-26 23:33:40 -07:00
version.py markdown: Remove !avatar() and !gravatar() syntax. 2020-07-07 10:39:44 -07:00
yarn.lock dependencies: Upgrade JavaScript dependencies. 2020-06-07 11:06:57 -07:00

README.md

Zulip overview

Zulip is a powerful, open source group chat application that combines the immediacy of real-time chat with the productivity benefits of threaded conversations. Zulip is used by open source projects, Fortune 500 companies, large standards bodies, and others who need a real-time chat system that allows users to easily process hundreds or thousands of messages a day. With over 500 contributors merging over 500 commits a month, Zulip is also the largest and fastest growing open source group chat project.

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Getting started

Click on the appropriate link below. If nothing seems to apply, join us on the Zulip community server and tell us what's up!

You might be interested in:

You may also be interested in reading our blog or following us on twitter. Zulip is distributed under the Apache 2.0 license.