I followed yiyus suggestion and ended up using ".go" as an alias for Get. I expect it's going to work nicely.
diff --git a/src/cmd/acme/exec.c b/src/cmd/acme/exec.c
index 6fe423a..5c55e21 100644
--- a/src/cmd/acme/exec.c
+++ b/src/cmd/acme/exec.c
@@ -75,6 +75,7 @@ static Rune LEdit[] = { 'E', 'd', 'i', 't', 0 };
static Rune LExit[] = { 'E', 'x', 'i', 't', 0 };
static Rune LFont[] = { 'F', 'o', 'n', 't', 0 };
static Rune LGet[] = { 'G', 'e', 't', 0 };
+static Rune LRefreshGo[] = { '.', 'g', 'o', 0 };
static Rune LID[] = { 'I', 'D', 0 };
static Rune LIncl[] = { 'I', 'n', 'c', 'l', 0 };
static Rune LIndent[] = { 'I', 'n', 'd', 'e', 'n', 't', 0 };
@@ -106,6 +107,7 @@ Exectab exectab[] = {
{ LExit, xexit, FALSE, XXX, XXX },
{ LFont, fontx, FALSE, XXX, XXX },
{ LGet, get, FALSE, TRUE, XXX },
+ { LRefreshGo, get, FALSE, TRUE, XXX },
{ LID, id, FALSE, XXX, XXX },
{ LIncl, incl, FALSE, XXX, XXX },
{ LIndent, indent, FALSE, XXX, XXX },