[Github-comments] [geany] Rewrite scope completion 3 (#862)

[Matthew Brush]

> Things in namespaces autocomplete now (I turned it on to check :).

Doesn't work here. Maybe you misunderstood what @b4n was saying? Here's an example:

```c++
namespace Foo { void bar() {} }
int main() {
    Foo::<<<<---- no completion suggestions here
}
```

The current way (and likely after this PR too) is particularly broken in that it gives auto-completions for stuff that is in an inaccessible namespace. For example:

```c++
namespace Foo { void blah_blah() {} }
int main() {
    blah_bl<<<<---- gives an invalid completion for "blah_blah" here
}
```

Personally I don't use auto-completion to speed up typing, I use it for exploring symbols I can validly use at that point in the code and to get them spelt correctly, and the current case-sensitive, prefix-matched, kitchen sink auto-completions causes me to use IDE with "smart" auto-completions when I'm writing C++ (ex. QtCreator, VisualStudio).

---
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https://github.com/geany/geany/pull/862#issuecomment-170759070
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