Style history variable output
authorTom Tromey <tom@tromey.com>
Mon, 12 Jun 2023 23:10:14 +0000 (17:10 -0600)
committerTom Tromey <tom@tromey.com>
Sun, 22 Oct 2023 15:03:42 +0000 (09:03 -0600)
commite2c04ee000796100890bd176eeb2412f722b7e3f
tree87352955aa1ba117230baa892dc0f0ae560f25c1
parentd249c8a63aec45648b2165532f79b09763870795
Style history variable output

When printing a value, I think the history reference -- the "$1" in
the output -- should be styled using the "variable" style.  This patch
implements this.
gdb/printcmd.c
gdb/testsuite/gdb.base/style.exp