doc: Document function pointer source code style
as implemented in 1356f78ea93395c107cbc75dc923e29a0efccd8a
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/3612019a7925012445af29b9ea7af84bd68a5932
Modified Files
--------------
doc/src/sgml/sources.sgml | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)