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cppdraft/stacktrace/format.md

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+[stacktrace.format]
+
+# 19 Diagnostics library [[diagnostics]](./#diagnostics)
+
+## 19.6 Stacktrace [[stacktrace]](stacktrace#format)
+
+### 19.6.5 Formatting support [stacktrace.format]
+
+[🔗](#itemdecl:1)
+
+`template<> struct formatter<stacktrace_entry>;
+`
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/diagnostics.tex#L2362)
+
+formatter<stacktrace_entry> interprets *format-spec* as a *stacktrace-entry-format-spec*[.](#1.sentence-1)
+
+The syntax of format specifications is as follows:
+
+stacktrace-entry-format-spec :  
+fill-and-alignopt widthopt
+
+[*Note [1](#note-1)*:
+
+The productions *fill-and-align* and *width* are described in [[format.string.std]](format.string.std "28.5.2.2 Standard format specifiers")[.](#1.sentence-3)
+
+— *end note*]
+
+[2](#2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/diagnostics.tex#L2377)
+
+A stacktrace_entry object se is formatted as if by
+copying to_string(se) through the output iterator of the context
+with additional padding and adjustments as specified by the format specifiers[.](#2.sentence-1)
+
+[🔗](#itemdecl:2)
+
+`template<class Allocator> struct formatter<basic_stacktrace<Allocator>>;
+`
+
+[3](#3)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/diagnostics.tex#L2388)
+
+For formatter<basic_stacktrace<Allocator>>,*format-spec* is empty[.](#3.sentence-1)
+
+[4](#4)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/diagnostics.tex#L2392)
+
+A basic_stacktrace<Allocator> object s is formatted as if by
+copying to_string(s) through the output iterator of the context[.](#4.sentence-1)