tidy-up: miscellaneous

- schannel: delete superfluous parenthesis.
- tftp: delete stray space from log output.
- ws: update guard comment.
- docs/examples: constify variables.
- runtests/servers: enclose unknown parameter between quotes.
- scripts/perlcheck.sh: drop redundant grep `-E` option.
- THANKS: move names from comments to THANKS.
- sync `--depth` option style across scripts.
- sync git repo URL ending between some scripts.
- BINDINGS.md: drop protocol from archive.org URL path.
- whitespace, indent, unfold lines.

Closes #19565

.github/workflows/http3-linux.yml

@@ -189,7 +189,7 @@ jobs:
         if: ${{ steps.cache-openssl-http3-no-deprecated.outputs.cache-hit != 'true' }}
         run: |
           cd ~
-          git clone --quiet --depth=1 -b "openssl-${OPENSSL_VERSION}" https://github.com/openssl/openssl
+          git clone --quiet --depth 1 -b "openssl-${OPENSSL_VERSION}" https://github.com/openssl/openssl
           cd openssl
           ./config --prefix="$PWD"/build --libdir=lib no-makedepend no-apps no-docs no-tests no-deprecated
           make
@@ -232,7 +232,7 @@ jobs:
         if: ${{ steps.cache-gnutls.outputs.cache-hit != 'true' }}
         run: |
           cd ~
-          git clone --quiet --depth=1 -b "${GNUTLS_VERSION}" https://github.com/gnutls/gnutls.git
+          git clone --quiet --depth 1 -b "${GNUTLS_VERSION}" https://github.com/gnutls/gnutls
           cd gnutls
           # required: nettle-dev libp11-kit-dev libev-dev autopoint bison gperf gtk-doc-tools libtasn1-bin
           ./bootstrap
@@ -247,7 +247,7 @@ jobs:
         if: ${{ steps.cache-wolfssl.outputs.cache-hit != 'true' }}
         run: |
           cd ~
-          git clone --quiet --depth=1 -b "v${WOLFSSL_VERSION}-stable" https://github.com/wolfSSL/wolfssl.git
+          git clone --quiet --depth 1 -b "v${WOLFSSL_VERSION}-stable" https://github.com/wolfSSL/wolfssl
           cd wolfssl
           ./autogen.sh
           ./configure --disable-dependency-tracking --enable-all --enable-quic \
@@ -259,9 +259,9 @@ jobs:
         if: ${{ steps.cache-nghttp3.outputs.cache-hit != 'true' }}
         run: |
           cd ~
-          git clone --quiet --depth=1 -b "v${NGHTTP3_VERSION}" https://github.com/ngtcp2/nghttp3
+          git clone --quiet --depth 1 -b "v${NGHTTP3_VERSION}" https://github.com/ngtcp2/nghttp3
           cd nghttp3
-          git submodule update --init --depth=1
+          git submodule update --init --depth 1
           autoreconf -fi
           ./configure --disable-dependency-tracking --prefix="$PWD"/build --enable-lib-only
           make
@@ -272,7 +272,7 @@ jobs:
         # building twice to get crypto libs for ossl, libressl and awslc installed
         run: |
           cd ~
-          git clone --quiet --depth=1 -b "v${NGTCP2_VERSION}" https://github.com/ngtcp2/ngtcp2
+          git clone --quiet --depth 1 -b "v${NGTCP2_VERSION}" https://github.com/ngtcp2/ngtcp2
           cd ngtcp2
           autoreconf -fi
           ./configure --disable-dependency-tracking --prefix="$PWD"/build \
@@ -290,7 +290,7 @@ jobs:
         if: ${{ steps.cache-ngtcp2-boringssl.outputs.cache-hit != 'true' }}
         run: |
           cd ~
-          git clone --quiet --depth=1 -b "v${NGTCP2_VERSION}" https://github.com/ngtcp2/ngtcp2 ngtcp2-boringssl
+          git clone --quiet --depth 1 -b "v${NGTCP2_VERSION}" https://github.com/ngtcp2/ngtcp2 ngtcp2-boringssl
           cd ngtcp2-boringssl
           autoreconf -fi
           ./configure --disable-dependency-tracking --prefix="$PWD"/build \
@@ -303,9 +303,9 @@ jobs:
         if: ${{ steps.cache-nghttp2.outputs.cache-hit != 'true' }}
         run: |
           cd ~
-          git clone --quiet --depth=1 -b "v${NGHTTP2_VERSION}" https://github.com/nghttp2/nghttp2
+          git clone --quiet --depth 1 -b "v${NGHTTP2_VERSION}" https://github.com/nghttp2/nghttp2
           cd nghttp2
-          git submodule update --init --depth=1
+          git submodule update --init --depth 1
           autoreconf -fi
           # required (for nghttpx application): libc-ares-dev libev-dev zlib1g-dev
           # optional (for nghttpx application): libbrotli-dev
@@ -578,7 +578,7 @@ jobs:
         if: ${{ matrix.build.name == 'quiche' && steps.cache-quiche.outputs.cache-hit != 'true' }}
         run: |
           cd ~
-          git clone --quiet --depth=1 -b "${QUICHE_VERSION}" --recursive https://github.com/cloudflare/quiche.git
+          git clone --quiet --depth 1 -b "${QUICHE_VERSION}" --recursive https://github.com/cloudflare/quiche
           cd quiche
           #### Work-around https://github.com/curl/curl/issues/7927 #######
           #### See https://github.com/alexcrichton/cmake-rs/issues/131 ####

.github/workflows/linux.yml

@@ -580,7 +580,7 @@ jobs:
       - name: 'build openssl (thread sanitizer)'
         if: ${{ contains(matrix.build.install_steps, 'openssl-tsan') && steps.cache-openssl-tsan.outputs.cache-hit != 'true' }}
         run: |
-          git clone --quiet --depth=1 -b "openssl-${OPENSSL_VERSION}" https://github.com/openssl/openssl
+          git clone --quiet --depth 1 -b "openssl-${OPENSSL_VERSION}" https://github.com/openssl/openssl
           cd openssl
           CC=clang CFLAGS='-fsanitize=thread' LDFLAGS='-fsanitize=thread' ./config --prefix=/home/runner/openssl --libdir=lib no-makedepend no-apps no-docs no-tests
           make