updated for version 7.3.421
Problem: Get E832 when setting 'undofile' in vimrc and there is a file to
be edited on the command line. (Toothpik)
Solution: Do not try reading the undo file for a file that wasn't loaded.
diff --git a/src/option.c b/src/option.c
index 60956d7..033a6d2 100644
--- a/src/option.c
+++ b/src/option.c
@@ -7527,10 +7527,11 @@
{
/* When 'undofile' is set globally: for every buffer, otherwise
* only for the current buffer: Try to read in the undofile, if
- * one exists and the buffer wasn't changed. */
+ * one exists and the buffer wasn't changed and the buffer was
+ * loaded. */
if ((curbuf == save_curbuf
|| (opt_flags & OPT_GLOBAL) || opt_flags == 0)
- && !curbufIsChanged())
+ && !curbufIsChanged() && curbuf->b_ml.ml_mfp != NULL)
{
u_compute_hash(hash);
u_read_undo(NULL, hash, curbuf->b_fname);
diff --git a/src/version.c b/src/version.c
index 9f31983..b7b6ae8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -715,6 +715,8 @@
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 421,
+/**/
420,
/**/
419,
