5 files changed, 20 insertions, 2 deletions
diff --git a/main.c b/main.c
index 077ed77..918f4c8 100644
--- a/main.c
+++ b/main.c
@@ -1306,6 +1306,8 @@ static const char *key2register(Vis *vis, const char *keys, enum VisRegister *re
 		return NULL;
 	if (keys[0] >= 'a' && keys[0] <= 'z')
 		*reg = keys[0] - 'a';
+	else if (keys[0] >= 'A' && keys[0] <= 'Z')
+		*reg = VIS_REG_A + keys[0] - 'A';
 	else if (keys[0] == '*' || keys[0] == '+')
 		*reg = VIS_REG_CLIPBOARD;
 	else if (keys[0] == '_')
diff --git a/register.c b/register.c
index a15e8b3..518f93a 100644
--- a/register.c
+++ b/register.c
@@ -59,6 +59,8 @@ const char *register_get(Vis *vis, Register *reg, size_t *len) {
 }
 
 bool register_put(Vis *vis, Register *reg, Text *txt, Filerange *range) {
+	if (reg->append)
+		return register_append(reg, txt, range);
 	switch (reg->type) {
 	case REGISTER_NORMAL:
 	{
diff --git a/register.h b/register.h
index d3f7b7f..c8f11bd 100644
--- a/register.h
+++ b/register.h
@@ -13,6 +13,7 @@ typedef struct Vis Vis;
 typedef struct {
 	Buffer buf;
 	bool linewise; /* place register content on a new line when inserting? */
+	bool append;
 	enum {
 		REGISTER_NORMAL,
 		REGISTER_BLACKHOLE,
diff --git a/vis.c b/vis.c
index b6d6b49..b65724c 100644
--- a/vis.c
+++ b/vis.c
@@ -1000,11 +1000,18 @@ void vis_count_set(Vis *vis, int count) {
 }
 
 void vis_register_set(Vis *vis, enum VisRegister reg) {
-	if (reg < LENGTH(vis->registers))
+	if (reg >= VIS_REG_A && reg <= VIS_REG_Z) {
+		vis->action.reg = &vis->registers[reg - VIS_REG_A];
+		vis->action.reg->append = true;
+	} else if (reg < LENGTH(vis->registers)) {
 		vis->action.reg = &vis->registers[reg];
+		vis->action.reg->append = false;
+	}
 }
 
 const char *vis_register_get(Vis *vis, enum VisRegister reg, size_t *len) {
+	if (reg >= VIS_REG_A && reg <= VIS_REG_Z)
+		reg -= VIS_REG_A;
 	if (reg < LENGTH(vis->registers))
 		return register_get(vis, &vis->registers[reg], len);
 	*len = 0;
diff --git a/vis.h b/vis.h
index 00d95a6..3bcd9c7 100644
--- a/vis.h
+++ b/vis.h
@@ -351,7 +351,13 @@ enum VisRegister {
 	VIS_REG_BLACKHOLE, /* /dev/null register */
 	VIS_REG_CLIPBOARD, /* system clipboard register */
 	VIS_REG_PROMPT,  /* internal register which shadows DEFAULT in PROMPT mode */
-	VIS_REG_INVALID, /* has to be the last enum member */
+	VIS_REG_INVALID, /* has to be the last 'real' register */
+	VIS_REG_A, VIS_REG_B, VIS_REG_C, VIS_REG_D, VIS_REG_E,
+	VIS_REG_F, VIS_REG_G, VIS_REG_H, VIS_REG_I, VIS_REG_J,
+	VIS_REG_K, VIS_REG_L, VIS_REG_M, VIS_REG_N, VIS_REG_O,
+	VIS_REG_P, VIS_REG_Q, VIS_REG_R, VIS_REG_S, VIS_REG_T,
+	VIS_REG_U, VIS_REG_V, VIS_REG_W, VIS_REG_X, VIS_REG_Y,
+	VIS_REG_Z,
 };
 
 /* set the register to use, if none is given the DEFAULT register is used */