From 202e3535d58c7a74a81ec22282c15695f53182e2 Mon Sep 17 00:00:00 2001
From: nick black <dankamongmen@gmail.com>
Date: Wed, 25 Nov 2020 19:43:53 -0500
Subject: [PATCH] document new NCSTYLE_STRUCK #1138

---
 NEWS.md  |  4 ++++
 USAGE.md | 21 +++++++++++----------
 2 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/NEWS.md b/NEWS.md
index 503097943..7d942c300 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -23,6 +23,10 @@ rearrangements of Notcurses.
     * Add new function `ncpile_render()`, which renders the pile containing the
       specified plane to the specified buffer. Add new function
       `ncpile_rasterize()` to rasterize the specified buffer to output.
+  * Added `NCSTYLE_STRUCK` for strikethrough. Note that this is not supported
+    by terminfo, and we instead just hardcode the control sequence. Use at your
+    own risk! If your terminal doesn't support this control sequence, behavior
+    is undefined.
 
 * 2.0.7 (2020-11-21)
   * The `horiz` union of `ncplane_options` has been discarded; the `int x`
diff --git a/USAGE.md b/USAGE.md
index ff3711bef..92d113514 100644
--- a/USAGE.md
+++ b/USAGE.md
@@ -1696,16 +1696,17 @@ int cell_duplicate(struct ncplane* n, cell* targ, const cell* c);
 // Release resources held by the cell 'c'.
 void cell_release(struct ncplane* n, cell* c);
 
-#define NCSTYLE_MASK      0xffff0000ul
-#define NCSTYLE_STANDOUT  0x00800000ul
-#define NCSTYLE_UNDERLINE 0x00400000ul
-#define NCSTYLE_REVERSE   0x00200000ul
-#define NCSTYLE_BLINK     0x00100000ul
-#define NCSTYLE_DIM       0x00080000ul
-#define NCSTYLE_BOLD      0x00040000ul
-#define NCSTYLE_INVIS     0x00020000ul
-#define NCSTYLE_PROTECT   0x00010000ul
-#define NCSTYLE_ITALIC    0x01000000ul
+#define NCSTYLE_MASK      0xfffful
+#define NCSTYLE_STANDOUT  0x0080ul
+#define NCSTYLE_UNDERLINE 0x0040ul
+#define NCSTYLE_REVERSE   0x0020ul
+#define NCSTYLE_BLINK     0x0010ul
+#define NCSTYLE_DIM       0x0008ul
+#define NCSTYLE_BOLD      0x0004ul
+#define NCSTYLE_INVIS     0x0002ul
+#define NCSTYLE_PROTECT   0x0001ul
+#define NCSTYLE_ITALIC    0x0100ul
+#define NCSTYLE_STRUCK    0x0200ul
 
 // copy the UTF8-encoded EGC out of the cell, whether simple or complex. the
 // result is not tied to the ncplane, and persists across erases / destruction.