Documentation tweaks

- Be consistent about how we invoke `ccforth`
- Add section about Gforth compatibility
- Add MIT License
- Add exception for generated code in README

Author: ncw

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2026 Nick Craig-Wood
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -35,12 +35,6 @@ brew install sdl2
 
 From the repository root:
 
-```bash
-go run ./cmd/ccforth -Cflags "-lSDL2" -o breakout examples/breakout/breakout.fth
-```
-
-Or if you have ccforth installed:
-
 ```bash
 ccforth -Cflags "-lSDL2" -o breakout examples/breakout/breakout.fth
 ```

examples/breakout/README.md

@@ -28,7 +28,7 @@ output is produced — designed for timing with `time`.
 cc -O3 -march=native -flto -o dhrystone dhrystone.c
 
 # Forth version (from repository root)
-./ccforth -o examples/dhrystone/dhrystone-forth examples/dhrystone/dhrystone.fth
+ccforth -o examples/dhrystone/dhrystone-forth examples/dhrystone/dhrystone.fth
 ```
 
 ## Running

examples/dhrystone/README.md

@@ -10,7 +10,7 @@ C library calls for terminal raw mode; all orchestration is in Forth.
 ## Build
 
 ```bash
-go run ./cmd/ccforth -o gameboy examples/gameboy/gameboy.fth
+ccforth -o gameboy examples/gameboy/gameboy.fth
 ```
 
 ## Run

examples/gameboy/README.md

@@ -12,7 +12,7 @@ time, rate, and a progress bar.
 
 ```bash
 # From repository root
-./ccforth -o examples/hanoi/hanoi examples/hanoi/hanoi.fth
+ccforth -o examples/hanoi/hanoi examples/hanoi/hanoi.fth
 ```
 
 ## Running

examples/hanoi/README.md

@@ -17,7 +17,7 @@ Interactive viewer rendered with SDL2. Click to zoom, scroll to adjust.
 From the repository root:
 
 ```sh
-go run ./cmd/ccforth -Cflags "-lSDL2" -o mandelbrot examples/mandelbrot/mandelbrot.fth
+ccforth -Cflags "-lSDL2" -o mandelbrot examples/mandelbrot/mandelbrot.fth
 ```
 
 ### Run
@@ -38,16 +38,16 @@ go run ./cmd/ccforth -Cflags "-lSDL2" -o mandelbrot examples/mandelbrot/mandelbr
 
 Animated terminal Mandelbrot renderer that zooms into Seahorse Valley while
 slowly rotating. Uses ANSI 24-bit color and Unicode half-block characters (`▀`)
-to plot two vertical pixels per character cell. Adapted from Nick Craig-Wood's
-2026 IOCCC entry.
+to plot two vertical pixels per character cell. Adapted from [Nick Craig-Wood's
+2026 IOCCC entry](https://github.com/ncw/ioccc-forth/).
 
 Requires a terminal with 24-bit color support (most modern terminals) and at
 least 120×80 characters.
 
 ### Build
 
 ```sh
-go run ./cmd/ccforth -o mandelterm examples/mandelbrot/mandelterm.fth
+ccforth -o mandelterm examples/mandelbrot/mandelterm.fth
 ```
 
 ### Run

examples/mandelbrot/README.md

@@ -19,7 +19,7 @@ with no external dependencies.
 ## Build and run
 
 ```
-go run ./cmd/ccforth -o raytrace examples/raytrace/raytrace.fth
+ccforth -o raytrace examples/raytrace/raytrace.fth
 ./raytrace > scene.ppm
 ```
 

examples/raytrace/README.md

@@ -26,7 +26,7 @@ version's behavior when `PRINTOUT` is not defined.
 cc -O3 -march=native -flto -o whetstone whetstone.c -lm
 
 # Forth version (from repository root)
-./ccforth -o examples/whetstone/whetstone-forth examples/whetstone/whetstone.fth
+ccforth -o examples/whetstone/whetstone-forth examples/whetstone/whetstone.fth
 ```
 
 ## Running