Refine INSTALL.txt. [skip ci]
authorDenis Ovsienko <denis@ovsienko.info>
Fri, 19 Nov 2021 14:33:22 +0000 (14:33 +0000)
committerDenis Ovsienko <denis@ovsienko.info>
Fri, 19 Nov 2021 14:33:22 +0000 (14:33 +0000)
commit84b51cad218840ece9115c72705f846060005c6f
treea0d8e36db8199ee8d5b6b4da5124d14f1524663c
parent02dd14c50d696c8087b8a1f842a005c321fb870a
Refine INSTALL.txt. [skip ci]

Say C99 instead of ANSI C and explain multiple versions better.
INSTALL.txt