Correct errors

Author: johnsamuelwrites

codegen/api.md

@@ -683,12 +683,12 @@ from multilingualprogramming.errors import (
 
 try:
     executor.execute(source, language="fr")
-except MultilingualSyntaxError as e:
-    print(f"Syntax error (line {e.lineno}): {e.message}")
-except MultilingualSemanticError as e:
-    print(f"Semantic error: {e.message}")
-except MultilingualRuntimeError as e:
-    print(f"Runtime error: {e.message}")
+except MultilingualSyntaxError as err:
+    print(f"Syntax error (line {err.lineno}): {err.message}")
+except MultilingualSemanticError as err:
+    print(f"Semantic error: {err.message}")
+except MultilingualRuntimeError as err:
+    print(f"Runtime error: {err.message}")
 ```
 
 Error messages are localized to the source language — French programs show errors in French, Japanese programs show errors in Japanese.

wasm/installation.md

@@ -146,8 +146,8 @@ try:
 
     result = MatrixOperations.multiply([[1, 2], [3, 4]], [[5, 6], [7, 8]])
     print(f"   ✓ Matrix multiply: success")
-except Exception as e:
-    print(f"   ✗ Error: {e}")
+except Exception as err:
+    print(f"   ✗ Error: {err}")
 
 print("\n" + "=" * 60)
 if selector.is_wasm_available():
@@ -177,8 +177,8 @@ selector = BackendSelector(prefer_backend=Backend.PYTHON)
 selector = BackendSelector(prefer_backend=Backend.WASM)
 try:
     result = selector.call_function("fibonacci", 10)
-except RuntimeError as e:
-    print(f"WASM not available: {e}")
+except RuntimeError as err:
+    print(f"WASM not available: {err}")
 ```
 
 ### Environment Variables

wasm/troubleshooting.md

@@ -260,8 +260,8 @@ selector = BackendSelector(config=config)
 
 try:
     result = selector.call_function("long_operation", *args)
-except RuntimeError as e:
-    print(f"Timeout: {e}")
+except RuntimeError as err:
+    print(f"Timeout: {err}")
     # Fall back to Python
 ```
 
@@ -315,8 +315,8 @@ print(f"\nInstallation:")
 try:
     import multilingualprogramming
     print(f"  multilingualprogramming: ✓ {multilingualprogramming.__version__}")
-except ImportError as e:
-    print(f"  multilingualprogramming: ✗ {e}")
+except ImportError as err:
+    print(f"  multilingualprogramming: ✗ {err}")
 
 try:
     import wasmtime
@@ -336,16 +336,16 @@ try:
     s = BackendSelector()
     print(f"  Available: {s.is_wasm_available()}")
     print(f"  Backend: {s.backend}")
-except Exception as e:
-    print(f"  Error: {e}")
+except Exception as err:
+    print(f"  Error: {err}")
 
 print(f"\nFallback Functions:")
 try:
     from multilingualprogramming.runtime.python_fallbacks import FALLBACK_REGISTRY
     print(f"  Registered: {len(FALLBACK_REGISTRY)} functions")
     print(f"  Functions: {', '.join(sorted(FALLBACK_REGISTRY.keys())[:10])}...")
-except Exception as e:
-    print(f"  Error: {e}")
+except Exception as err:
+    print(f"  Error: {err}")
 
 print("\n" + "=" * 60)
 ```