docs: revert to using revset operator : instead of ::

Since our latest release doesn't support `::`, we shouldn't tell the
user to use it.

This commit should be backed out we've released jj 0.9.0.

docs/config.md

@@ -196,7 +196,7 @@ To get shorter prefixes for certain revisions, set `revsets.short-prefixes`:
 
 ```toml
 # Prioritize the current branch
-revsets.short-prefixes = "(main..@)::"
+revsets.short-prefixes = "(main..@):"
 ```
 
 ### Relative timestamps
@@ -259,7 +259,7 @@ You can define aliases for commands, including their arguments. For example:
 ```toml
 # `jj l` shows commits on the working-copy commit's (anonymous) branch
 # compared to the `main` branch
-aliases.l = ["log", "-r", "(main..@):: | (main..@)-"]
+aliases.l = ["log", "-r", "(main..@): | (main..@)-"]
 ```
 
 ## Editor

docs/github.md

@@ -148,7 +148,7 @@ remote
 Log all remote branches, which you authored or committed to  
 `jj log -r 'remote_branches() & (committer([email protected]) | author([email protected]))'`  
 Log all descendants of the current working copy, which aren't on a remote   
-`jj log -r '::@ & ~remote_branches()'`
+`jj log -r ':@ & ~remote_branches()'`
 
 ## Merge conflicts
 

docs/revsets.md

@@ -58,16 +58,16 @@ only symbols.
 * `~x`: Revisions that are not in `x`.
 * `x-`: Parents of `x`.
 * `x+`: Children of `x`.
-* `::x`: Ancestors of `x`, including the commits in `x` itself.
-* `x::`: Descendants of `x`, including the commits in `x` itself.
-* `x::y`: Descendants of `x` that are also ancestors of `y`. Equivalent
-   to `x:: & ::y`. This is what `git log` calls `--ancestry-path x..y`.
-* `:x`, `x:`, and `x:y`: Deprecated synonyms for `::x`, `x::`, and `x::y`. We
-  plan to delete them in jj 0.15+.
+* `:x`: Ancestors of `x`, including the commits in `x` itself.
+* `x:`: Descendants of `x`, including the commits in `x` itself.
+* `x:y`: Descendants of `x` that are also ancestors of `y`. Equivalent
+   to `x: & :y`. This is what `git log` calls `--ancestry-path x..y`.
+* `::x`, `x::`, and `x::y`: New versions of for `:x`, `x:`, and `x:y` to be
+  released in jj 0.9.0. We plan to delete the latter in jj 0.15+.
 * `x..y`: Ancestors of `y` that are not also ancestors of `x`. Equivalent to
-  `::y ~ ::x`. This is what `git log` calls `x..y` (i.e. the same as we call it).
+  `:y ~ :x`. This is what `git log` calls `x..y` (i.e. the same as we call it).
 * `..x`: Ancestors of `x`, including the commits in `x` itself. Equivalent to
-  `::x` and provided for consistency.
+  `:x` and provided for consistency.
 * `x..`: Revisions that are not ancestors of `x`.
 
 You can use parentheses to control evaluation order, such as `(x & y) | z` or
@@ -80,9 +80,9 @@ revsets (expressions) as arguments.
 
 * `parents(x)`: Same as `x-`.
 * `children(x)`: Same as `x+`.
-* `ancestors(x)`: Same as `::x`.
-* `descendants(x)`: Same as `x::`.
-* `connected(x)`: Same as `x::x`. Useful when `x` includes several commits.
+* `ancestors(x)`: Same as `:x`.
+* `descendants(x)`: Same as `x:`.
+* `connected(x)`: Same as `x:x`. Useful when `x` includes several commits.
 * `all()`: All visible commits in the repo.
 * `none()`: No commits. This function is rarely useful; it is provided for
   completeness.
@@ -171,7 +171,7 @@ jj log -r 'remote_branches(remote=origin)..'
 Show all ancestors of the working copy (almost like plain `git log`)
 
 ```
-jj log -r ::@
+jj log -r :@
 ```
 
 Show the initial commits in the repo (the ones Git calls "root commits"):
@@ -191,7 +191,7 @@ those commits:
 
 
 ```
-jj log -r '(remote_branches()..@)::'
+jj log -r '(remote_branches()..@):'
 ```
 
 Show commits authored by "martinvonz" and containing the word "reset" in the

docs/tutorial.md

@@ -159,7 +159,7 @@ called the "root commit". It's the root commit of every repo. The `root` symbol
 in the revset matches it.
 
 There are also operators for getting the parents (`foo-`), children (`foo+`),
-ancestors (`::foo`), descendants (`foo::`), DAG range (`foo::bar`, like
+ancestors (`:foo`), descendants (`foo:`), DAG range (`foo:bar`, like
 `git log --ancestry-path`), range (`foo..bar`, same as Git's). There are also a
 few more functions, such as `heads(<set>)`, which filters out revisions in the
 input set if they're ancestors of other revisions in the set.
@@ -345,7 +345,7 @@ $ jj new -m ABC; printf 'A\nB\nc\n' > file
 Working copy now at: 6f30cd1fb351 ABC
 $ jj new -m ABCD; printf 'A\nB\nC\nD\n' > file
 Working copy now at: a67491542e10 ABCD
-$ jj log -r master::@
+$ jj log -r master:@
 @  mrxqplykzpkw [email protected] 2023-02-12 19:38:21.000 -08:00 b98c607bf87f
 │  ABCD
 ◉  kwtuwqnmqyqp [email protected] 2023-02-12 19:38:12.000 -08:00 30aecc0871ea