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Rewrite the quickfix section

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Marco Hinz 2017-11-07 21:23:31 +01:00
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@ -901,21 +901,30 @@ Help:
## Quickfix and location lists
Every time an action has to return a list of locations, _quickfix_ or _location_
lists can be used. In this case a location is a file, a line number and
optionally a column.
The quickfix list is a data structure that holds file positions. Essentially,
each entry in the quickfix list consists of a file path, a line number and
optional column, and a description.
Examples are compiler errors assembled in a quickfix list or matches of an
external grep tool assembled in a location list.
Typical use cases are assembling compiler errors or results of a grep tool.
The big advantage over just putting that stuff in an empty buffer is that you
get a nice uniform interface for browsing the entries.
Vim has a special type of buffer for showing the quickfix list: the quickfix
buffer. Each line in the quickfix buffer shows one entry from the quickfix list.
At all time there's only one quickfix list, but every window can have its own
location list. Both type of lists _feel_ the same, but use slightly different
commands for navigation.
Usually you open a new window to display the quickfix list: the quickfix window.
When that happens, the last window gets associated with the quickfix window.
Most common commands:
In the quickfix buffer `<cr>` opens the selected entry in the associated window
and `<c-w><cr>` in a new window.
The quickfix list was named after the "quick fix" feature from the [Aztec C
compiler](https://en.wikipedia.org/wiki/Aztec_C).
Actually there are two kinds of lists: quickfix and location lists. They behave
almost the same, but have the follwing differences:
- There is only one quickfix list. There can be multiple location lists; one per
window.
- They use slightly different commands for navigation.
| Action | Quickfix | Location |
|----------------|--------------|--------------|
@ -926,11 +935,14 @@ Most common commands:
| first entry | `:cfirst` | `:lfirst` |
| last entry | `:clast` | `:llast` |
See `:h :cc` and everything below for all commands.
See `:h quickfix` for more information and a full list of commands.
For conciseness, _quickfix_ and _location_ are often abbreviated as _qf_ and
_loc_ respectively.
**Example**:
Let's use our good old friend `grep` for searching the files in the current
Let us use our good old friend `grep` for searching the files in the current
directory recursively for a certain query and put the results in the quickfix
list.