[Bug web/112960] omission in documentation: complex numbers can also have uppercase I and J suffixes

[stephan.stiller at outlook dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112960

--- Comment #1 from Stephan Stiller <stephan.stiller at outlook dot com> ---
name of document (forgotten in original bug report text): "GNU C Language
Introduction and Reference Manual"