diff options
Diffstat (limited to 'lang/modula-3-lib/files/patch-bn')
| -rw-r--r-- | lang/modula-3-lib/files/patch-bn | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/lang/modula-3-lib/files/patch-bn b/lang/modula-3-lib/files/patch-bn new file mode 100644 index 000000000000..5d015c1ee017 --- /dev/null +++ b/lang/modula-3-lib/files/patch-bn @@ -0,0 +1,24 @@ +This fixes a bug which can result in a value out of range error if the +cursor is at the beginning of a TextPort and the DeleteToStartOfLine +procedure is invoked. + +This patch has been sent to SRC. + +Index: m3/vbtkit/src/etext/TextPortClass.m3 +--- TextPortClass.m3- Mon Jan 30 14:34:34 1995 ++++ TextPortClass.m3 Thu May 8 17:20:58 1997 +@@ -271,8 +271,12 @@ + left := MTextUnit.StartOfLine (v.vtext.mtext, here); + BEGIN + IF here = left THEN +- (* We're already at the start of line; delete one char. *) +- RETURN v.replace (here - 1, here, "") ++ (* Already at the start of line; delete preceding newline if any. *) ++ IF here > 0 THEN ++ RETURN v.replace (here - 1, here, "") ++ ELSE ++ RETURN NotFound ++ END + ELSE + RETURN v.replace (left, here, "") + END |